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Windows 10/11: Ncat: A message sent on a datagram socket was larger than the internal message buffer ... Ken Kayser (Feb 20)
*Describe the bug*
When listening to a port with ncat, as soon as a UDP packet is received, I
receive a constant stream of errors with the following text: "Ncat: A
message sent on a datagram socket was larger than the internal message
buffer or some other network limit, or the buffer used to receive a
datagram into was smaller than the datagram itself. ."

*To Reproduce*

1. In either a Windows command line or Powershell I enter...

Reverse DNS (issue #3007) Matteo Nicoli (Feb 13)
Hi all,

I noticed a cool feature proposal on GitHub (issue 3007 <https://github.com/nmap/nmap/issues/3007>). It basically
suggests a new feature for returning the (complete) list of DNS records obtained — through reverse DNS lookups — from
an IP address. If it matches with the map product roadmap, I’d like to start implementing it. Is there some maintainer
who could give me a brief feedback about it?

Cheers,
Matteo

Re: Mail stoppage Gordon Fyodor Lyon (Feb 12)
Yes, this was my fault. Mail to the Nmap dev list from non-subscribers
goes through moderation to keep out the spam. I regularly go through the
moderation queue to find and approve the "real" messages, but I was a bit
slow this time. We strongly recommend that folks posting to the list first
subscribe to it. This avoids the moderation delay and prevents them from
missing any responses which might only be sent to the list.

Cheers,...

Mail stoppage Dave Close (Feb 12)
Several messages received today seem to have been stuck on nmap.org for
up to a month. Example (edited for clarity):

Version: 7.94+SVN TypeError: Couldn't find foreign struct converter for 'cairo.Context' Hendrick Halim (Feb 12)
Version: 7.94+SVN
TypeError: Couldn't find foreign struct converter for 'cairo.Context'

topology tab crash Genny and Doug Kent (Feb 12)
zenmap crashes when topology tab clicked.

Output message below

Version: 7.94+SVN
TypeError: Couldn't find foreign struct converter for 'cairo.Context'

Doug Kent

PR #2954, Fix out of bounds reads in packet parsing Domen Puncer Kugler via dev (Feb 12)
Hi,

I've submitted a pull request a few months ago:
https://github.com/nmap/nmap/pull/2954

The PR includes following three commits:
- Fix out of bounds read in HopByHopHeader::validate
- Fix out of bounds read in PacketParser::split
- Add AFL test code for PacketParser

This was found as a part of a short Hackathon at NCC Group.
As far as I can tell, there is no security impact, but it would still be nice
to see this fixed.

Kind regards

High-Priority HTML Parsing script astrotoki via dev (Feb 12)
Hello,

I noticed that under the high priority script ideas was the need for a library that parses HTML info from sites. I
wrote a script that uses a web crawler and extracts html info from attached pages and accompanying urls within the html
body. Let me know if this is what yall were after?

Thanks!
Ryan LaPierre <Astro>_______________________________________________
Sent through the dev mailing list...

URL Pathfinder astrotoki via dev (Feb 12)
Hello all!

I just wrote up another script, trying to practice and maybe have some added to the master list for nmap. This script
enumerates possible hidden path extensions on urls. As always, Id love input on it, changes or updates.

Thanks all!
Ryan LaPierre <Astro>_______________________________________________
Sent through the dev mailing list
https://nmap.org/mailman/listinfo/dev
Archived at https://seclists.org/nmap-dev/

Null Byte Poisoning NSE astrotoki via dev (Feb 12)
Here is my submission of a script I wrote that should test a site for null byte poisoning vulnerabilities._______________________________________________
Sent through the dev mailing list
https://nmap.org/mailman/listinfo/dev
Archived at https://seclists.org/nmap-dev/

Re: First Go astrotoki via dev (Feb 12)
Here is an updated version with more XSS patterns integrated into it. As well as some clean up!

I also created a separate .lua with just the http crawler function.

Sent through the dev mailing list
https://nmap.org/mailman/listinfo/dev
Archived at https://seclists.org/nmap-dev/

First Go astrotoki via dev (Feb 12)
Hello!,

I just started learning Lua for writing NSEs and had a go at a HTTP crawler that identifies XSS vulnerabilities on
sites. I used Juice-Shop OWASP to confirm it works. (Thats why the source code uses port 3000 in addition to 80) Id
love feedback! Doing my best to learn as much as I can. I attached the http_xss_crawler.nse below!

PS. I had used ChatGPTo1 and Github CoPilot to aid in debugging and syntax issues. The overall code is my...

Re: [PATCH] nping: bind to interface on Linux for IPv4 send-ip Daniel Miller (Feb 10)
Thanks, Valdik! I reviewed the code and moved the call to
socket_bindtodevice() to ProbeMode::start() so that it will affect all
modes, not just TCP. The change is in r39078.

Dan

High-Priority HTML Parsing script astrotoki via dev (Jan 28)
Sent through the dev mailing list
https://nmap.org/mailman/listinfo/dev
Archived at https://seclists.org/nmap-dev/

Post Quantum hackathon and nmap Loganaden Velvindron (Dec 09)
Hi Folks,

I'm logan from the cyberstorm.mu team. We have opened several PRs for
nmap to improve support for Post Quantum algorithms:

https://github.com/nmap/nmap/pull/2977
https://github.com/nmap/nmap/pull/2978
https://github.com/nmap/nmap/pull/2987

We are working on other PRs for PQ which we will send in due time.
Feedback is welcome and we are willing to commit time to improve our
PRs.

Kind regards,
Logan
(On behalf of the...

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Npcap Version 1.82 Released with VLAN Tagging and More Gordon Fyodor Lyon (Apr 28)
Dear Nmap Community,

In preparation for an imminent Nmap release (hopefully this week!), we have
released Version 1.82 of our Npcap Windows packet capture and transmission
driver. It builds upon the recent 1.81 release to add support for VLAN
tagging. This allows you to select for packets directed to a certain VLAN
or just inspect the VLAN headers on any packets received. It's especially
useful for Wireshark users. You can also now send...

Nmap 7.95 released: OS and service detection signatures galore! Gordon Fyodor Lyon (May 05)
Dear Nmap Community,

I just arrived in San Francisco for the RSA conference and am delighted to
announce our Nmap Version 7.95 release! I'm most excited that we finally
tackled our backlog of OS and service detection fingerprint submissions.
We're not talking about dozens or hundreds of them-we processed more than
6,500 fingerprints!

For OS detection, we added 336 signatures, bringing the new total to 6,036.
Additions include iOS 15...

Full Disclosure — A public, vendor-neutral forum for detailed discussion of vulnerabilities and exploitation techniques, as well as tools, papers, news, and events of interest to the community. The relaxed atmosphere of this quirky list provides some comic relief and certain industry gossip. More importantly, fresh vulnerabilities sometimes hit this list many hours or days before they pass through the Bugtraq moderation queue.

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Unauthenticated Blind SQL Injection | RSI queue management system - V 3.0 | CVE-2025-26086 Shaikh Shahnawaz (May 16)
[+] Credits: Shahnawaz Shaikh, Security Researcher at Cybergate Defense LLC
[+] twitter.com/_striv3r_

[Vendor of Product]
RSI Queue (https://www.rsiqueue.com/)

[Vulnerability Type]
Blind SQL Injection

[Affected Component]
The vulnerable component is the TaskID parameter in the get request.

[CVE Reference]
CVE-2025-26086

[Security Issue]
An unauthenticated blind SQL injection vulnerability exists in RSI Queue
Management System v3.0 within the...

CVE-2025-30072 Tiiwee X1 Alarm System - Authentication Bypass by Capture-replay Sebastian Auwärter via Fulldisclosure (May 16)
Advisory ID: SYSS-2025-006
Product: Tiiwee X1 Alarm System
Manufacturer: Tiiwee B.V.
Affected Version(s): TWX1HAKV2
Tested Version(s): TWX1HAKV2
Vulnerability Type: Authentication Bypass by Capture-replay
(CWE-294)
Risk Level: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Solution Status: Open
Manufacturer Notification: 2025-01-27...

SEC Consult SA-20250506-0 :: Honeywell MB Secure Authenticated Command Injection SEC Consult Vulnerability Lab via Fulldisclosure (May 16)
SEC Consult Vulnerability Lab Security Advisory < 20250507-0 >
=======================================================================
title: Authenticated Command Injection
product: Honeywell MB-Secure
vulnerable version: MB-Secure versions from V11.04 and prior to V12.53,
MB-Secure PRO versions from V01.06 and prior to V03.09
fixed version: MB-Secure v12.53, MB-Secure PRO v03.09
CVE number:...

SEC Consult SA-20250429-0 :: Multiple Vulnerabilities in HP Wolf Security Controller and more SEC Consult Vulnerability Lab via Fulldisclosure (May 16)
SEC Consult Vulnerability Lab Security Advisory < publishing date 20250429-0 >
Combined Security Advisory for Sure Access Enterprise and Sure Click Enterprise
=======================================================================
title: Multiple Vulnerabilities
product: HP Wolf Security Controller / HP Sure Access Enterprise /
HP Sure Click Enterprise
vulnerable version: HP Wolf Security...

SEC Consult SA-20250422-0:: Local Privilege Escalation via DLL Search Order Hijacking SEC Consult Vulnerability Lab via Fulldisclosure (May 16)
SEC Consult Vulnerability Lab Security Advisory < 20250422-0 >
=======================================================================
title: Local Privilege Escalation via DLL Search Order Hijacking
product: Ivanti Endpoint Manager Security Scan (Vulscan) Self
Update
vulnerable version: EPM 2022 SU6 and previous, EPM 2024
fixed version: EPM 2022 SU7 and EPM 2024 SU1
CVE number: CVE-2025-22458...

Session Invalidation in Economizzer Allows Unauthorized Access After Logout Ron E (May 16)
A session management vulnerability exists in gugoan's Economizzer
v.0.9-beta1. The application fails to properly invalidate user sessions
upon logout or other session termination events. As a result, a valid
session remains active and usable even after the user has attempted to log
out.

POST /web/category/create HTTP/2

Host: <host>

Cookie: _economizzerSessionId=<<REDACTED>>;

Persistent Cross-Site Scripting in Economizzer Category Entry Ron E (May 16)
A persistent cross-site scripting (XSS) vulnerability exists in gugoan's
Economizzer v.0.9-beta1. The application fails to properly sanitize
user-supplied input when creating a new category via the
*category/create *endpoint.
An attacker can inject malicious JavaScript payloads that are permanently
stored and later executed in the context of any user who views the affected
entry.

https://<host>/web/category/create

POST...

Persistent Cross-Site Scripting in Economizzer Cashbook Entry Ron E (May 16)
A persistent cross-site scripting (XSS) vulnerability exists in gugoan's
Economizzer v.0.9-beta1 The application fails to properly sanitize
user-supplied input when creating a new cash book entry via the
*cashbook/create* endpoint. An attacker can inject malicious JavaScript
payloads that are permanently stored and later executed in the context of
any user who views the affected entry.

https://<host>/web/cashbook/create

POST...

APPLE-SA-05-12-2025-9 Safari 18.5 Apple Product Security via Fulldisclosure (May 16)
APPLE-SA-05-12-2025-9 Safari 18.5

Safari 18.5 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/122719.

Apple maintains a Security Releases page at
https://support.apple.com/100100 which lists recent
software updates with security advisories.

WebKit
Available for: macOS Ventura and macOS Sonoma
Impact: A type confusion issue could lead to memory corruption
Description: This...

APPLE-SA-05-12-2025-8 visionOS 2.5 Apple Product Security via Fulldisclosure (May 16)
APPLE-SA-05-12-2025-8 visionOS 2.5

visionOS 2.5 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/122721.

Apple maintains a Security Releases page at
https://support.apple.com/100100 which lists recent
software updates with security advisories.

AppleJPEG
Available for: Apple Vision Pro
Impact: Processing a maliciously crafted media file may lead to
unexpected app termination...

APPLE-SA-05-12-2025-7 tvOS 18.5 Apple Product Security via Fulldisclosure (May 16)
APPLE-SA-05-12-2025-7 tvOS 18.5

tvOS 18.5 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/122720.

Apple maintains a Security Releases page at
https://support.apple.com/100100 which lists recent
software updates with security advisories.

AppleJPEG
Available for: Apple TV HD and Apple TV 4K (all models)
Impact: Processing a maliciously crafted media file may lead to
unexpected...

APPLE-SA-05-12-2025-6 watchOS 11.5 Apple Product Security via Fulldisclosure (May 16)
APPLE-SA-05-12-2025-6 watchOS 11.5

watchOS 11.5 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/122722.

Apple maintains a Security Releases page at
https://support.apple.com/100100 which lists recent
software updates with security advisories.

AppleJPEG
Available for: Apple Watch Series 6 and later
Impact: Processing a maliciously crafted media file may lead to
unexpected app...

APPLE-SA-05-12-2025-5 macOS Ventura 13.7.6 Apple Product Security via Fulldisclosure (May 16)
APPLE-SA-05-12-2025-5 macOS Ventura 13.7.6

macOS Ventura 13.7.6 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/122718.

Apple maintains a Security Releases page at
https://support.apple.com/100100 which lists recent
software updates with security advisories.

afpfs
Available for: macOS Ventura
Impact: Mounting a maliciously crafted AFP network share may lead to
system...

APPLE-SA-05-12-2025-4 macOS Sonoma 14.7.6 Apple Product Security via Fulldisclosure (May 16)
APPLE-SA-05-12-2025-4 macOS Sonoma 14.7.6

macOS Sonoma 14.7.6 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/122717.

Apple maintains a Security Releases page at
https://support.apple.com/100100 which lists recent
software updates with security advisories.

afpfs
Available for: macOS Sonoma
Impact: Connecting to a malicious AFP server may corrupt kernel memory
Description:...

APPLE-SA-05-12-2025-3 macOS Sequoia 15.5 Apple Product Security via Fulldisclosure (May 16)
APPLE-SA-05-12-2025-3 macOS Sequoia 15.5

macOS Sequoia 15.5 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/122716.

Apple maintains a Security Releases page at
https://support.apple.com/100100 which lists recent
software updates with security advisories.

afpfs
Available for: macOS Sequoia
Impact: Connecting to a malicious AFP server may corrupt kernel memory
Description: The...

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OpenAI Security Research Dave Aitel via Dailydave (Mar 28)
So a few things:
1. https://openai.com/index/security-on-the-path-to-agi/ I feel like this
blog is worth reading. :)
2. We're throwing a post-RSAC conference in SanFran to talk about AI and
Security (in particular, securing cybery things with AI) and if I'm very
lucky I'll even get to do a quick demo of the software I've been working
on, not that it will surprise anyone on this list! We have a few tickets
left I think and if...

Re: Cyber Reasoning Systems A K via Dailydave (Mar 28)
Have you already reviewed https://github.com/open-crs ?

Cyber Reasoning Systems Dave Aitel via Dailydave (Mar 04)
I continue to believe there are a lot of interesting questions around
building cyber reasoning systems for vuln finding. Even the very basics
seem hard to study and understand, and the eval datasets available
are....sparse or incomplete. For example, what you really want if you're
analyzing git repos is the commit a bug was introduced, and the commit it
was fixed. But usually you get "a commit where it maybe existed".

Likewise,...

on your child going to college in Christchurch, NZ and velvet worms Dave Aitel via Dailydave (Feb 11)
*on your child going to college in Christchurch, NZ and velvet worms*

By mid‑August the garden already practices absence — stems turning hollow,
the robin leaving its notes hanging in the air like torn corners of a song.
Under the chirp of palmetto bugs, a log eases itself back into earth.
Inside, hidden from the light, a velvet worm does the impossible: offers
herself to a spill of pale, blind threads. For days she is nothing but
hunger...

Re: (the root of the root and the bud of the bud) Sean Heelan via Dailydave (Jan 13)
As it happens, I’ve found the most effective way to use LLMs is to de-anthropomorphise them entirely and treat them
very like fuzzers (large scale generation of results, lots of false positives/nonsense, filtered by some oracle).

The “conversation with an AI” approach where you imagine yourself as having a single artificial brain to interact with
is (currently at least) practically far less useful than one in which you are content with...

Anthropological "Hacker" Map A K via Dailydave (Jan 13)
Hi all,

In the latest "Security Weekly" (https://www.youtube.com/watch?v=CXefYdEGW04
)
they present the Anthropological "Hacker" Map
https://wherewarlocksstayuplate.com/map/

While the map is incomplete (how can it ever be complete?), I think it is
one of the few times, outside of David Aitel's writings about the cross-cut
between the "underground" (for a lack of a better term) and subsequent
commercial...

Re: (the root of the root and the bud of the bud) Don A. Bailey via Dailydave (Jan 12)
I designed one of the first working fuzzers (albeit unintentionally) back
in the late 90's. I don't remember if I published it, but I still have the
code. It, however, worked - badly - but it worked. I was heavily flamed,
however, because as you stated - it was not hip. It only attacked
environment variable and command-line argument based vulnerabilities. But,
in the 90's and early 00's, we had no shortage of local suid-based...

Re: (the root of the root and the bud of the bud) Thomas Dullien via Dailydave (Jan 12)
Hey,

I have one quibble: We are using "reasoning" in a qualitative, not
descriptive, form here -- "fuzzing is or is not reasoning", "LLMs reason or
do not reason". I am not sure this is helpful. Fuzzing is empirically
successful at finding crashes. Somebody that needs to light a fire and
smashes two stones together until they throw sparks does not, once the fire
burns, need to justify that 'stones perform...

Re: (the root of the root and the bud of the bud) Darren Bounds via Dailydave (Jan 12)
Everything old is new and the way we reason is the same way LLMs reason. It's
not about looking for the same problem the same way it's about going to
searching for that flaw the same way with unlimited (nearly) resources.

Traditional human-led vulnerability research and discovery is, today, a short
lived venture.

Things will change very rapidly over the coming 24 months.

Memories and thoughts are the same thing, someone tried to...

(the root of the root and the bud of the bud) Dave Aitel via Dailydave (Jan 11)
Memories and thoughts are the same thing, someone tried to explain to me
recently. You have to think to remember, in other words. This is hard to
grasp for a lot of people because they *think *they have *memories*. They
wrongly think memory is a noun instead of a verb, which is ok in philosophy
and psychology but in cutting edge computer science we have to be precise
about these sorts of things.

Twenty-five years ago, when I first started...

the endless stream Dave Aitel via Dailydave (Dec 31)
I've seen great people in our industry crushed under the weight of the
secrets they carry into a singularity from which no information can emerge.
In some ways the lesson from apache_nosejob.c
<https://www.exploit-db.com/exploits/21560> was that we cannot take
ourselves seriously, that at the heart of our discipline there must remain
a jester, that we must float upon the stream of endless information rather
than absorb it into our...

Hacking the Edges of Knowledge: LLMs, Vulnerabilities, and the Quest for Understanding Dave Aitel via Dailydave (Nov 02)
[image: image.png]

It's impossible not to notice that we live in an age of technological
wonders, stretching back to the primitive hominids who dared to ask "Why?"
but also continually accelerating and pulling everything apart while it
does, in the exact same manner as the Universe at large. It is why all the
hackers you know are invested so heavily in Deep Learning right now, as if
someone got on a megaphone at Chaos...

Old Infosec Talks: Metlstorm's Take on Hacky Hacking Dave Aitel via Dailydave (Oct 31)
The Anatomy of Compromise

One of my demented hobbies is watching old infosec talks and then seeing
how well they hold up to modern times. Recently I excavated Metlstorm's
2017 BSides Canberra
<https://www.youtube.com/watch?v=OjgvP9UB9GI&list=TLGGvAY1CcIr-AcyNjEwMjAyNA>
talk on "How people get hacked" - a pretty generic topic that gives a lot
of room for opinion, and one a lot of people have opined on, but the talk
itself...

Grace Hopper and the Rebirth of US Conferences Dave Aitel via Dailydave (Oct 10)
I spent some time watching all the Grace Hopper videos on the youtubes, as
I prepared for what up North is a horrible storm, but here in Miami is, so
far, a breezy and clear day. You can hear her talk about how subroutines
used to be literal handwritten pages of instructions in notebooks. When you
wanted SIN or COS you would go over to whoever had the notebook with the
working version, and copy it out into your code.

It was this experience that...

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Apple Releases Security Updates for Multiple Products CISA (Mar 28)
Cybersecurity and Infrastructure Security Agency (CISA) - Defend Today, Secure Tomorrow

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Apple Releases Security Updates for Multiple Products [
https://www.cisa.gov/news-events/alerts/2023/03/28/apple-releases-security-updates-multiple-products ] 03/28/2023 01:00
PM EDT

Apple...

CISA Releases Six Industrial Control Systems Advisories CISA (Mar 23)
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CISA Releases Six Industrial Control Systems Advisories [
https://www.cisa.gov/news-events/alerts/2023/03/23/cisa-releases-six-industrial-control-systems-advisories ] 03/23/2023
08:00 AM EDT...

CISA Releases Eight Industrial Control Systems Advisories CISA (Mar 21)
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CISA Releases Eight Industrial Control Systems Advisories [
https://www.cisa.gov/news-events/alerts/2023/03/21/cisa-releases-eight-industrial-control-systems-advisories ]
03/21/2023 08:00 AM...

CISA and NSA Release Enduring Security Framework Guidance on Identity and Access Management CISA (Mar 21)
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CISA and NSA Release Enduring Security Framework Guidance on Identity and Access Management [...

Open Source Security — Discussion of security flaws, concepts, and practices in the Open Source community

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Landlock news #5 Mickaël Salaün (May 19)
Here is the fifth Landlock newsletter!

Official website: https://landlock.io
Previews newsletter:
https://lore.kernel.org/landlock/20240716.yui4Iezai8ae () digikod net/

TL;DR: Check your sandboxed programs with Linux 6.15, review the audit
logs, and update the sandbox policy if you see any Landlock events.

Kernel features
===============

Restricting signals and abstract UNIX sockets
---------------------------------------------

Linux 6.12...

Re: CPython CVE-2025-4516: Use-after-free crash using bytes.decode("unicode_escape", error="ignore|replace") Hanno Böck (May 19)
Hi,

I had reported this to Python a while ago.
I'm attaching my original report below.

--------------------

I stumbled upon a segfault in python that turned out to be a use after
free error. As UAF bugs can lead to memory corruption and potentially
security issues, and as this issue is triggered by input to a very
common function (encode()), reporting this as a security issue, as it
may have larger security implications.

A testcase is...

Re: describing affected systems Eli Schwartz (May 18)
Portage is also used by "Prefix", as I mentioned above, to run on any
Linux system (e.g. for unprivileged use on HPC clusters where it is more
flexible and up-to-date than the Linux distribution's package manager).

Also on macOS and Solaris.

And probably could be verified for use on other Unixes if there was
sufficient interest. HP-UX, AIX, Interix, WinNT (!!!), FreeBSD, OpenBSD,
NetBSD all used to be supported, even if dead for...

Re: describing affected systems (was: screen: Multiple Security Issues in Screen (mostly affecting release 5.0.0 and setuid-root installations)) Taylor R Campbell (May 17)
Sure, that's fine, or just `...notably including NetBSD' instead of
specifying versions since NetBSD and pkgsrc versions advance
independently.

If I gave anyone the impression that I'm trying to conceal its impact
on NetBSD users, as Eli has insinuated with fabricated quotes, I
apologize (for that and for all the off-topic noise this minor point
has generated) -- we did not escape this, and we are working to
address it for all...

Re: describing affected systems (was: screen: Multiple Security Issues in Screen (mostly affecting release 5.0.0 and setuid-root installations)) Jan Schaumann (May 17)
Jacob Bachmeyer <jcb62281 () gmail com> wrote:

I think that's a lot better, although I would probably
have phrased it as:

Systems using screen(1) built from pkgsrc, including
binary packages installed on NetBSD using e.g.,
pkg_add(1) or pkgin(1) before screen-5.0.0nb3 are
affected.

The details can get confusing, because you can use
pkgsrc from sources from -current or a quarterly
tagged branch across a range of operating systems,...

RE: The GNU C Library security advisories update for 2025-05-16 Caveney, Seamus G (May 16)
Go has poor support for SUID/SGID out of the box, due to interactions between the semantics of goroutines and Linux
setugid syscalls applying on a per-thread basis. AIUI it's explicitly advised to not drop/gain privileges within a
Golang binary itself. I would imagine capabilities have similar drawbacks since they are also per-thread attributes.

OTOH, much of the Golang software I've seen that does need privileges tends to be run as...

Re: The GNU C Library security advisories update for 2025-05-16 Solar Designer (May 16)
Thank you very much for handling this disclosure!

The advisory file that you committed to the glibc repo also helpfully
includes info on when the bug was introduced/exposed and when it was
fixed. The two referenced commits are from 2017 and 2023, respectively.

CVE-id: CVE-2025-4802
Public-Date: 2025-05-16
Vulnerable-Commit: 10e93d968716ab82931d593bada121c17c0a4b93 (2.27)
Fix-Commit: 5451fa962cd0a90a0e2ec1d8910a559ace02bba0 (2.39)

Here's...

Re: describing affected systems (was: screen: Multiple Security Issues in Screen (mostly affecting release 5.0.0 and setuid-root installations)) Jacob Bachmeyer (May 16)
Would "systems using pkgsrc-2025Q1, notably including NetBSD 9.x and
NetBSD 10.1" have been a fair way of describing that set?

Am I mistaken that portage is unique to Gentoo, while pkgsrc is also
used for applications on systems other than its native NetBSD?

-- Jacob

The GNU C Library security advisories update for 2025-05-16 Carlos O'Donell (May 16)
The following security advisories have been published:

GLIBC-SA-2025-0002:
===================
elf: static setuid binary dlopen may incorrectly search LD_LIBRARY_PATH (CVE-2025-4802)

A statically linked setuid binary that calls dlopen (including internal
dlopen calls after setlocale or calls to NSS functions such as getaddrinfo)
may incorrectly search LD_LIBRARY_PATH to determine which library to load,
leading to the execution of library code...

Re: screen: Multiple Security Issues in Screen (mostly affecting release 5.0.0 and setuid-root installations) Eli Schwartz (May 16)
NetBSD 10.1 (and earlier) is affected (if you use its package manager to
install screen).

Arch Linux is affected (if you use its package manager to install screen).

Debian 12.10 (but this is not quite right!!!1!11!!!oneoneeleven. The
same packages are available on e.g. Debian 13, 11, etc) is affected (if
you use its package manager to install screen).

Ubuntu 24.04.10 (but this is not quite right!!!1!11!!!oneoneeleven. The
same packages are...

Re: screen: Multiple Security Issues in Screen (mostly affecting release 5.0.0 and setuid-root installations) Taylor R Campbell (May 16)
It is not nonsensical, and it is not the inconsequential pedantry you
are suggesting. Please consider avoiding sarcastic disparagement when
publicly discussing the factual matters of security reports.

The report says that `NetBSD 10.1' is affected. This is not quite
right, _and it matters_ even if you set aside the fact that NetBSD
10.1 itself (which does ship tmux!) does not ship screen, because:

(a) the same pkgsrc packages are...

CPython CVE-2025-4516: Use-after-free crash using bytes.decode("unicode_escape", error="ignore|replace") Alan Coopersmith (May 16)
-------- Forwarded Message --------
Subject: [Security-announce][CVE-2025-4516] Use-after-free crash using
bytes.decode("unicode_escape", error="ignore|replace")
Date: Thu, 15 May 2025 09:33:30 -0400
From: Seth Larson <seth () python org>
Reply-To: security-sig () python org
To: security-announce () python org

There is a MEDIUM severity security issue in CPython when using...

Re: screen: Multiple Security Issues in Screen (mostly affecting release 5.0.0 and setuid-root installations) Eli Schwartz (May 16)
This is a nonsensical claim, but if I accept it as stated then I will
counter-assert that zero (0) Linux distros are vulnerable as they don't
preinstall screen in the base OS.

The definition of "the NetBSD base installation" is "nobody uses it".
People use computing devices in order to run software on it. You cannot
consider your OS in a bubble and go "well ackshually it's perfectly
secure unless you use the...

Re: screen: Multiple Security Issues in Screen (mostly affecting release 5.0.0 and setuid-root installations) Jan Schaumann (May 16)
Matthias Gerstner <mgerstner () suse de> wrote:

I think it's useful to clarify here that NetBSD does
_not_ ship with GNU screen(1) at all. NetBSD's
third-party package manager pkgsrc[1] includes
screen(1), allowing users to install additional
software on top of the base OS.

That package as included in _pkgsrc_ was installed
setuid[2], but a NetBSD base installation does not
include that package. (NetBSD happens to include...

Re: screen: Multiple Security Issues in Screen (mostly affecting release 5.0.0 and setuid-root installations) Matthias Gerstner (May 16)
Hi,

these inconsistencies confirm the impressions we gained during the
coordinated disclosure. We believe that there are no well established
(release, development) processes existing in the GNU Screen upstream
project anymore.

I don't think this list is the right place bring forward these issues,
however. You can try on the screen-devel mailing list [1], where some
issues with the release tarball already seem to be discussed.

[1]:...

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Re: Massive change in Public Cert behaviour coming soon John Levine via NANOG (May 19)
It appears that Christian de Larrinaga via NANOG <nanog () lists nanog org> said:

Does this mail system connect to some other smarthost, and log into
the smarthost using that certificate rather than a username and password?

If it's not doing that, and it sure doesn't sound like it is, you're fine.

R's,
John

Re: Massive change in Public Cert behaviour coming soon William Herrin via NANOG (May 19)
Hi Tom,

I will buy that and confess to being pedantic about it.

My point, the one where this pedantry started, was that this is yet
another example of IETF layer violation: instead of a clean
authentication step, they added authorization stuff in there, the
"extended key usage" elements. Protocol layer violations usually cause
trouble somewhere down the line as this one may be doing now.

Regards,
Bill Herrin

Re: Massive change in Public Cert behaviour coming soon Jay Acuna via NANOG (May 19)
Yes. And Mutual TLS is also common.

For example: A Web farm's frontend load balancer consists of a Reverse proxy
server that perform only ServerAuth for traffic between end users' web
browser and
the reverse proxy server. For each HTTPS request: the reverse proxy
server accepts
the user's HTTPS connection and opens an outgoing HTTPS connection to
the true web
server in parallel in order to service the end user's request....

Re: Massive change in Public Cert behaviour coming soon brent saner via NANOG (May 19)
Your users send mail with a Let's Encrypt *client certificate*? Meaning
they log into the SMTP server to gain the ability to send *originating
mail* with an LE cert? (MUA -> MTA)
I'd recommend they not do that. Use a private CA for clients if you're
doing mTLS auth.

If they are simply using TLS to connect to the mail server and logging in
with a username/password instead of/and don't need a *client certificate*,
they...

Re: MTA-STS, was Not So Massive change in Public Cert behaviour coming soon John R. Levine via NANOG (May 19)
If you don't like it, don't use it. The IETF isn't the Network Police.

Given that it does something completely different and is intnded to
protect mail you receive rather than mail you send, no.

It's an open secret that MTA-STS exists because one of the large mail
providers doesn't want to use DNSSEC. The IETF is still not the Network
Police so there's nothing we can do about it.

R's,
John

Re: Microsoft Azure Contact Kate Gerry via NANOG (May 19)
That is one of the most thoughtless and unhelpful responses I have seen in a while.

Let's try to be more helpful to our colleagues in the future.

—
Kate

Re: Microsoft Azure Contact Richard Rountree via NANOG (May 19)
Start your question in ChatGPT ask detail questions/once you get the basics and eventually you’ll get an answer.

Sent from my iPhone

RE: Xfinity on Campus Bryan Ward via NANOG (May 19)
Hey Jason and Tony, thanks for chiming in.

After following up with my team, we ended up getting all sorted out. Originally, nobody my colleague spoke with could
find the circuit or figure out how to route the support request. After contacting our account manager, everything
ended up OK. He provided us with the circuit IDs and support contact info we needed.

Aside from the campus TV service, we have about 2 dozen locations with Comcast...

Re: Sudden surge in CGNAT blacklisting Carlos Pizarro via NANOG (May 19)
I had to request a few removals from here,
https://proxycheck.io

There is at least other service that specializes on this kind of check but
I can't remember the name from the top of my head.

*Carlos Pizarro*

El El jue, 15 may. 2025 a la(s) 10:28 p.m., Eric C. Miller via NANOG <
nanog () lists nanog org> escribió:

Re: Microsoft Azure Contact Kate Gerry via NANOG (May 19)
That's a good question! I don't know, I typically sign up to the Microsoft JMRP
(https://sendersupport.olc.protection.outlook.com/pm/services), knowing what users are sending your emails to junk mail
can be quite helpful in my experience. It's one of their only free options to guarantee email delivery.

If somebody from Microsoft is here that could help; that'd be great. I had to switch my NANOG subscription from
Microsoft...

Re: Massive change in Public Cert behaviour coming soon Tom Beecher via NANOG (May 19)
You could state that the certificate says "Here are my identification
credentials, but I only authorize you to accept them if they have been
presented to you while doing FOO." This is semantically correct , it's
just not common verbiage used to describe what is occurring, so
insufficient pedantry.

"The authentication was complete when the identity was verified" is also
verbiage that's clunky, and also not accurate....

Re: Massive change in Public Cert behaviour coming soon Tom Beecher via NANOG (May 19)
Yes.

LE's announcement :
https://letsencrypt.org/2025/05/14/ending-tls-client-authentication/
Chromium Root Program Participation Policies, v1.6, Sec2 :
https://googlechrome.github.io/chromerootprogram/#2-chrome-root-program-participant-policies

To continue to be a Root CA in the Chrome Root Store, CA's must abide by
the new requirements,which for this convo is :

- focused only on the specific PKI use case of issuing TLS server...

Re: Massive change in Public Cert behaviour coming soon Christian de Larrinaga via NANOG (May 19)
brent saner via NANOG <nanog () lists nanog org> writes:

maybe this answers my questions. I am not sure.

Is there any clear documenation of what is going on here?

Re: Massive change in Public Cert behaviour coming soon Christian de Larrinaga via NANOG (May 19)
Chris Adams via NANOG <nanog () lists nanog org> writes:

I am quite extensively - I should note that several hosting scripts that
deploy web/email/mysql etc services LAMP stacks etc use the tls cert
provided to the domain hosted on a "server" also for smtp servers with a
dotted line to mailman where that is also installed. Those certs aren
these days almost always going to be Lets Encrypt

DKIM, SPF, DMARC are already very fussy...

Re: Massive change in Public Cert behaviour coming soon Tom Ivar Helbekkmo via NANOG (May 19)
Bjørn Mork via NANOG <nanog () lists nanog org> writes:

More kludgily and less secure. It even says so, right in the RFC.

Yup. It's Google and Microsoft creating a kludge to avoid DNSSEC -- and
Microsoft has since given in, and implemented DANE and DNSSEC for their
mail systems, so these days it's just a Google thing.

That would be nice. Also, I want a pony. :)

-tih

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Healthcare organizations face rising ransomware attacks – and are paying up Matthew Wheeler (Jun 03)
https://www.theregister.com/2022/06/03/healthcare-ransomware-pay-sophos/

Healthcare organizations, already an attractive target for ransomware given
the highly sensitive data they hold, saw such attacks almost double between
2020 and 2021, according to a survey released this week by Sophos.

The outfit's team also found that while polled healthcare orgs are quite
likely to pay ransoms, they rarely get all of their data returned if they
do...

A digital conflict between Russia and Ukraine rages on behind the scenes of war Matthew Wheeler (Jun 03)
https://wskg.org/npr_story_post/a-digital-conflict-between-russia-and-ukraine-rages-on-behind-the-scenes-of-war/

SEATTLE — On the sidelines of a conference in Estonia on Wednesday, a
senior U.S. intelligence official told British outlet Sky News that the
U.S. is running offensive cyber operations in support of Ukraine.

“My job is to provide a series of options to the secretary of defense and
the president, and so that’s what I do,” said...

Researchers Uncover Malware Controlling Thousands of Sites in Parrot TDS Network Matthew Wheeler (Jun 03)
https://thehackernews.com/2022/06/researchers-uncover-malware-controlling.html

The Parrot traffic direction system (TDS) that came to light earlier this
year has had a larger impact than previously thought, according to new
research.

Sucuri, which has been tracking the same campaign since February 2019 under
the name "NDSW/NDSX," said that "the malware was one of the top infections"
detected in 2021, accounting for more than...

FBI, CISA: Don't get caught in Karakurt's extortion web Matthew Wheeler (Jun 03)
https://www.theregister.com/2022/06/03/fbi_cisa_warn_karakurt_extortion/

The Feds have warned organizations about a lesser-known extortion gang
Karakurt, which demands ransoms as high as $13 million and, some
cybersecurity folks say, may be linked to the notorious Conti crew.

In a joint advisory [PDF] this week, the FBI, CISA and US Treasury
Department outlined technical details about how Karakurt operates, along
with actions to take,...

DOJ Seizes 3 Web Domains Used to Sell Stolen Data and DDoS Services Matthew Wheeler (Jun 02)
https://thehackernews.com/2022/06/doj-seizes-3-web-domains-used-to-sell.html

The U.S. Department of Justice (DoJ) on Wednesday announced the seizure of
three domains used by cybercriminals to trade stolen personal information
and facilitate distributed denial-of-service (DDoS) attacks for hire.

This includes weleakinfo[.]to, ipstress[.]in, and ovh-booter[.]com, the
former of which allowed its users to traffic hacked personal data and
offered a...

Chinese Hackers Begin Exploiting Latest Microsoft Office Zero-Day Vulnerability Matthew Wheeler (Jun 02)
https://thehackernews.com/2022/05/chinese-hackers-begin-exploiting-latest.html

An advanced persistent threat (APT) actor aligned with Chinese state
interests has been observed weaponizing the new zero-day flaw in Microsoft
Office to achieve code execution on affected systems.

"TA413 CN APT spotted [in-the-wild] exploiting the Follina zero-day using
URLs to deliver ZIP archives which contain Word Documents that use the
technique,"...

US military hackers conducting offensive operations in support of Ukraine, says head of Cyber Command Matthew Wheeler (Jun 02)
https://www.three.fm/news/world-news/us-military-hackers-conducting-offensive-operations-in-support-of-ukraine-says-head-of-cyber-command/

US military hackers have conducted offensive operations in support of
Ukraine, the head of US Cyber Command has told Sky News.

In an exclusive interview, General Paul Nakasone also explained how "hunt
forward" operations were allowing the United States to search out foreign
hackers and identify...

SideWinder Hackers Launched Over a 1, 000 Cyber Attacks Over the Past 2 Years Matthew Wheeler (May 31)
https://thehackernews.com/2022/05/sidewinder-hackers-launched-over-1000.html

An "aggressive" advanced persistent threat (APT) group known as SideWinder
has been linked to over 1,000 new attacks since April 2020.

"Some of the main characteristics of this threat actor that make it stand
out among the others, are the sheer number, high frequency and persistence
of their attacks and the large collection of encrypted and obfuscated...

Hackers are Selling US University Credentials Online, FBI Says Matthew Wheeler (May 31)
https://tech.co/news/hackers-are-selling-us-university-credentials-online-fbi-says

The Federal Bureau of Investigation has warned US universities and colleges
that it has found banks of login credentials and other data relating to VPN
access circulating on cybercriminals forums.

The fear is that such data will be sold and subsequently used by malicious
actors to orchestrate attacks on other accounts owned by the same students,
in the hope...

Interpol Nabs 3 Nigerian Scammers Behind Malware-based Attacks Matthew Wheeler (May 31)
https://thehackernews.com/2022/05/interpol-nabs-3-nigerian-scammers.html

Interpol on Monday announced the arrest of three suspected global scammers
in Nigeria for using remote access trojans (RATs) such as Agent Tesla to
facilitate malware-enabled cyber fraud.

"The men are thought to have used the RAT to reroute financial
transactions, stealing confidential online connection details from
corporate organizations, including oil and gas...

U.S. Warns Against North Korean Hackers Posing as IT Freelancers Matthew Wheeler (May 18)
https://thehackernews.com/2022/05/us-warns-against-north-korean-hackers.html

Highly skilled software and mobile app developers from the Democratic
People's Republic of Korea (DPRK) are posing as "non-DPRK nationals" in
hopes of landing freelance employment in an attempt to enable the regime's
malicious cyber intrusions.

That's according to a joint advisory from the U.S. Department of State, the
Department of the...

FBI and NSA say: Stop doing these 10 things that let the hackers in Matthew Wheeler (May 18)
https://www.zdnet.com/article/fbi-and-nsa-say-stop-doing-these-10-things-that-let-the-hackers-in/

Cyber attackers regularly exploit unpatched software vulnerabilities, but
they "routinely" target security misconfigurations for initial access, so
the US Cybersecurity and Infrastructure Security Agency (CISA) and its
peers have created a to-do list for defenders in today's heightened threat
environment.

CISA, the FBI and National...

Fifth of Businesses Say Cyber-Attack Nearly Broke Them Matthew Wheeler (May 18)
https://www.infosecurity-magazine.com/news/fifth-of-businesses-cyber-attack/

A fifth of US and European businesses have warned that a serious
cyber-attack nearly rendered them insolvent, with most (87%) viewing
compromise as a bigger threat than an economic downturn, according to
Hiscox.

The insurer polled over 5000 businesses in the US, UK, Ireland, France,
Spain, Germany, the Netherlands and Belgium to compile its annual Hiscox
Cyber...

Hacker And Ransomware Designer Charged For Use And Sale Of Ransomware, And Profit Sharing Arrangements With Cybercriminals Matthew Wheeler (May 18)
https://www.shorenewsnetwork.com/2022/05/16/hacker-and-ransomware-designer-charged-for-use-and-sale-of-ransomware-and-profit-sharing-arrangements-with-cybercriminals/

A criminal complaint was unsealed today in federal court in Brooklyn, New
York, charging Moises Luis Zagala Gonzalez (Zagala), also known as
“Nosophoros,” “Aesculapius” and “Nebuchadnezzar,” a citizen of France and
Venezuela who resides in Venezuela, with attempted...

State of Ransomware shows huge growth in threat and impacts Matthew Wheeler (May 04)
https://www.continuitycentral.com/index.php/news/technology/7275-state-of-ransomware-shows-huge-growth-in-threat-and-impacts

Sophos has released its annual survey and review of real-world ransomware
experiences in its ‘State of Ransomware 2022’ report. This shows that 66
percent of organizations surveyed were hit with ransomware in 2021, up from
37 percent in 2020.

The average ransom paid by organizations that had data encrypted in their...

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Request for Documentation on Snort's Capabilities in Detecting/Preventing Covert Malware Communications Jerwill via Snort-sigs (May 16)
Dear Snort Users,

I am writing as a subscriber and user of Snort to respectfully request assistance in obtaining at least one official
documentation or reference material that details how Snort is capable of detecting and/or preventing covert malware
communications across various channels.

Our organization is currently undergoing a compliance audit, and this documentation is critical in demonstrating our
capabilities in network-based threat...

Snort Subscriber Rules Update 2025-05-15 Research via Snort-sigs (May 15)
Talos Snort Subscriber Rules Update

Synopsis:
This release adds and modifies rules in several categories.

Details:
Talos has added and modified multiple rules in the file-other,
malware-cnc, malware-other, policy-other, protocol-other and
server-webapp rule sets to provide coverage for emerging threats from
these technologies.

For a complete list of new and modified rules please see:

https://www.snort.org/advisories

Snort Subscriber Rules Update 2025-05-13 Research via Snort-sigs (May 13)
Talos Snort Subscriber Rules Update

Synopsis:
Talos is aware of vulnerabilities affecting products from Microsoft
Corporation.

Details:
Microsoft Vulnerability CVE-2025-24063:
A coding deficiency exists in Microsoft Kernel Streaming Service Driver
that may lead to an escalation of privilege.

Rules to detect attacks targeting these vulnerabilities are included in
this release and are identified with:
Snort 2: GID 1, SID 1:64848, 1:64849,
Snort...

Snort Subscriber Rules Update 2025-05-08 Research via Snort-sigs (May 08)
Talos Snort Subscriber Rules Update

Synopsis:
This release adds and modifies rules in several categories.

Details:
Talos has added and modified multiple rules in the os-other,
os-windows, policy-other and server-webapp rule sets to provide
coverage for emerging threats from these technologies.

For a complete list of new and modified rules please see:

https://www.snort.org/advisories

Snort Subscriber Rules Update 2025-05-06 Research via Snort-sigs (May 06)
Talos Snort Subscriber Rules Update

Synopsis:
This release adds and modifies rules in several categories.

Details:
Talos has added and modified multiple rules in the os-other,
policy-other and server-webapp rule sets to provide coverage for
emerging threats from these technologies.

For a complete list of new and modified rules please see:

https://www.snort.org/advisories

Snort Subscriber Rules Update 2025-05-01 Research via Snort-sigs (May 01)
Talos Snort Subscriber Rules Update

Synopsis:
This release adds and modifies rules in several categories.

Details:
Talos has added and modified multiple rules in the os-windows and
server-webapp rule sets to provide coverage for emerging threats from
these technologies.

For a complete list of new and modified rules please see:

https://www.snort.org/advisories

IPFirewall and paid Subscripion Rules KMPollock via Snort-sigs (Apr 30)
I have Personal Subscription - Paid

I have a current Registration OinkCode (from before the Subscription)

if I supply the Registered Oinkcode inside IPFire’s Talos Registered field, will IPFire still pull only the delayed
Registered rules,

not the fresher Subscription rules?

Currently I have manually installed the Personal Subscription Rules, 

  KMPollock

| KMPollock () pm me  | 📞 +1 (605) 981-3791  ——  +1 (404) 410-1733 ...

Snort Subscriber Rules Update 2025-04-29 Research via Snort-sigs (Apr 29)
Talos Snort Subscriber Rules Update

Synopsis:
This release adds and modifies rules in several categories.

Details:
Talos has added and modified multiple rules in the indicator-scan,
malware-cnc and server-webapp rule sets to provide coverage for
emerging threats from these technologies.

For a complete list of new and modified rules please see:

https://www.snort.org/advisories

Snort Subscriber Rules Update 2025-04-24 Research via Snort-sigs (Apr 24)
Talos Snort Subscriber Rules Update

Synopsis:
This release adds and modifies rules in several categories.

Details:
Talos has added and modified multiple rules in the file-multimedia,
file-other, indicator-compromise and server-webapp rule sets to provide
coverage for emerging threats from these technologies.

For a complete list of new and modified rules please see:

https://www.snort.org/advisories

PROTOCOL-VOI Rich Lane via Snort-sigs (Apr 22)
Help! How do i get all 400+ PROTOCOL-VOIP signatures? I only see seven when I download the community rules from Snort.

Thanks,

Rich

Snort Subscriber Rules Update 2025-04-22 Research via Snort-sigs (Apr 22)
Talos Snort Subscriber Rules Update

Synopsis:
This release adds and modifies rules in several categories.

Details:
Talos has added and modified multiple rules in the app-detect,
file-pdf, malware-cnc, malware-other, policy-other and server-webapp
rule sets to provide coverage for emerging threats from these
technologies.

For a complete list of new and modified rules please see:

https://www.snort.org/advisories

Snort Subscriber Rules Update 2025-04-18 Research via Snort-sigs (Apr 18)
Talos Snort Subscriber Rules Update

Synopsis:
This release adds and modifies rules in several categories.

Details:
Talos has added and modified multiple rules in the and server-other
rule sets to provide coverage for emerging threats from these
technologies.

For a complete list of new and modified rules please see:

https://www.snort.org/advisories

Snort Subscriber Rules Update 2025-04-17 Research via Snort-sigs (Apr 17)
Talos Snort Subscriber Rules Update

Synopsis:
This release adds and modifies rules in several categories.

Details:
Talos has added and modified multiple rules in the exploit-kit,
file-pdf, malware-other, os-windows and server-webapp rule sets to
provide coverage for emerging threats from these technologies.

For a complete list of new and modified rules please see:

https://www.snort.org/advisories

Snort Subscriber Rules Update 2025-04-15 Research via Snort-sigs (Apr 15)
Talos Snort Subscriber Rules Update

Synopsis:
This release adds and modifies rules in several categories.

Details:
Talos has added and modified multiple rules in the browser-chrome,
file-other, malware-other, policy-other and server-webapp rule sets to
provide coverage for emerging threats from these technologies.

For a complete list of new and modified rules please see:

https://www.snort.org/advisories

Snort Subscriber Rules Update 2025-04-10 Research via Snort-sigs (Apr 10)
Talos Snort Subscriber Rules Update

Synopsis:
This release adds and modifies rules in several categories.

Details:
Talos has added and modified multiple rules in the os-windows and
server-webapp rule sets to provide coverage for emerging threats from
these technologies.

For a complete list of new and modified rules please see:

https://www.snort.org/advisories