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Where does nmap handle SIGXCPU? public1020 via dev (Sep 15)
I'm running nmap on a system with limited cpu time, and nmap sometimes exits with CPU time limit exceed.

But from the source code I didn't see anywhere handling SIGXCPU, where is the relevant source code then?

Is it handled by a third-party library?

Running nmap on a memory limited environment public1020 via dev (Sep 13)
Hi there,

I'm trying to run nmap on a memory limited server (with ulimit on memory and cpu), I will need to tune the nmap startup
parameters to reduce resource usage.

- What should I use to do that?
- What is the default value of min-hostgroup and scan delay parametr?_______________________________________________
Sent through the dev mailing list
https://nmap.org/mailman/listinfo/dev
Archived at https://seclists.org/nmap-dev/

_cairo dll error markvanbeek--- via dev (Aug 30)
Hi all,
just installed npcap 1.76 and Nmap 7.94, but keep getting this _cairo dll error. Any suggestions?
Did a re-install and a reboot.
Regards, Mark_______________________________________________
Sent through the dev mailing list
https://nmap.org/mailman/listinfo/dev
Archived at https://seclists.org/nmap-dev/

Nmap Fan Edition 'One-Click' CLI Frontend Renzo Donegani (Aug 25)
Hello, fellow Cyber Security enthusiasts!
I have some exciting news to share with you.

I have created a Zsh script based on Nmap that works as a CLI Frontend.
This Zsh script - named Nmap-FE - has been created to perform a 'Smart
One-Click Scan' of a typical Windows-Linux-MacOS Target in less than 45
Minutes, you just need to enter the Target IPv4/CIDR/FQDN and you are ready
to go!

Some of the features included are:
- Recursive Basic...

Re: dev Digest, Vol 217, Issue 1 Subhra Das (Aug 02)
Hi Jack,

Thanks for the reply!

Yes, Default is ICMP echo. But I am using the below command where I use TCP
mode. Moreover, I have the firewall set up on the source node to block ICMP
requests and replies. In this case, which user/ kernel process on the
target node, Node 2, is replying to the below nping TCP packets

*nping -c 1 --tcp -p 13567 <IP Address on Node 2>*

Thanks & Regards,
Subhra

Re: How Nping works at the OS/ kernel level Jack Dangler (Aug 02)
Unless I am mistaken, nping doesn't need to be installed at both ends.
nping is issuing a ping request to the other node. When ping runs, it
sends an ICMP "Echo" request to the interface and waits to get a
response. Once the target receives the request, it (should) respond by
sending a "Reply" packet.

Jack

How Nping works at the OS/ kernel level Subhra Das (Aug 02)
Hi,

I carried out the below experiment. Could anyone help me to find out which
process (at user/ kernel level) on the remote node is responding to nping
TCP packets. Is there any flow diagram to understand the same

a) On Node 1 installed nping tool

b) On Node 2 removed nping tool

c) Executed the *below* command on Node 1. It still works. Could you please
let us know how should we go about finding which process is responding to
nping tcp...

Unexpected error crashing zenmap Peter Hiltz (Jul 16)
Version: 7.94
Traceback (most recent call last):
File "/usr/lib/python3.11/site-packages/zenmapGUI/ScanInterface.py", line
538, in verify_execution
self.scan_result.refresh_nmap_output()
File "/usr/lib/python3.11/site-packages/zenmapGUI/ScanInterface.py", line
907, in refresh_nmap_output
self.scan_result_notebook.nmap_output.nmap_output.refresh_output()
File...

Crash Report Kaleb Zeng (Jul 16)
&nbsp; &nbsp; Nmap&nbsp;?????????????????????????????????? Windows 11&nbsp;??????
Zenmap&nbsp;????????????????????????????????Profile??????????????New Profile or Command??????&nbsp;??Edit Selected
Profile????????&nbsp;Zenmap&nbsp;?????????????????????????????????????????? Bug ?????? UTF-8&nbsp;??????????????
Python3 ????????????&nbsp;UTF-8&nbsp;?????????? Windows&nbsp;????????????????????????...

crash report VoIP (Jul 16)
Version: 7.94
Traceback (most recent call last):
File "/app/lib/python3.10/site-packages/zenmapGUI/ScanInterface.py", line
538, in verify_execution
self.scan_result.refresh_nmap_output()
File "/app/lib/python3.10/site-packages/zenmapGUI/ScanInterface.py", line
907, in refresh_nmap_output
self.scan_result_notebook.nmap_output.nmap_output.refresh_output()
File...

Fail to save scan 矢島聡子 (Jul 16)
Hello,
I am using zenmap, and whenever I try to save the scan, I get this error
message.
Version: 7.94
Traceback (most recent call last):
File "C:\Program Files
(x86)\Nmap\zenmap\lib\python3.10\site-packages\zenmapGUI\MainWindow.py",
line 628, in _save_scan_results_cb
self._save(self.scan_interface, filename, selected, format)
File "C:\Program Files...

7.94 Crash Report Mark Stafford via dev (Jul 16)
Uninstalled older version, first.

Version: 7.94
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "D:\Program Files (x86)\Nmap\zenmap\lib\python3.10\site-packages\zenmapGUI\App.py", line 281, in run
window = new_window()
File "D:\Program Files (x86)\Nmap\zenmap\lib\python3.10\site-packages\zenmapGUI\App.py", line 124, in new_window
from zenmapGUI.MainWindow import...

An error occurred in the nmap software nmap_user (Jul 16)
The following is the error code：
Version: 7.94
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "E:\tools\Nmap\zenmap\lib\python3.10\site-packages\zenmapGUI\App.py", line 281, in run
window = new_window()
File "E:\tools\Nmap\zenmap\lib\python3.10\site-packages\zenmapGUI\App.py", line 124, in new_window
from zenmapGUI.MainWindow import ScanWindow
File...

Zenmap crash jacob.adtech via dev (Jul 16)
Version: 7.94
Traceback (most recent call last):
File "/app/lib/python3.10/site-packages/zenmapGUI/ScanInterface.py", line 538, in verify_execution
self.scan_result.refresh_nmap_output()
File "/app/lib/python3.10/site-packages/zenmapGUI/ScanInterface.py", line 907, in refresh_nmap_output
self.scan_result_notebook.nmap_output.nmap_output.refresh_output()
File...

zenmap crash on host details , comments Hedley Davidson (Jul 16)
Error occurs when trying to assign a ' known name to a host ' in tab
Host/Details then I enter a name xxxxxx under comments

Version: 7.94
Traceback (most recent call last):
File "C:\Program Files
(x86)\Nmap\zenmap\lib\python3.10\site-packages\zenmapGUI\ScanInterface.py",
line 782, in _save_comment
comment = buff.get_text(
TypeError: Gtk.TextBuffer.get_text() takes exactly 4 arguments (3 given)

Hedley Davidson
Managing...

Nmap Announce — Moderated list for the most important new releases and announcements regarding the Nmap Security Scanner and related projects. We recommend that all Nmap users subscribe to stay informed.

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Nmap 26th Birthday Announcement: Version 7.94 Gordon Fyodor Lyon (Sep 01)
Dear Nmap community,

Today is Nmap’s 26th birthday, which reminded me that I hadn’t yet
announced our Nmap 7.94 release from May. And it’s a great one! The biggest
improvement was the Zenmap and Ndiff upgrades from the obsolete Python 2
language to Python 3 on all platforms. Big thanks to Daniel Miller, Jakub
Kulík, Brian Quigley, Sam James, Eli Schwartz, Romain Leonard, Varunram
Ganesh, Pavel Zhukov, Carey Balboa, and Hasan Aliyev for...

Nmap 7.93 - 25th Anniversary Release! Gordon Fyodor Lyon (Sep 01)
Dear Nmap community,

Twenty five years ago today, I released the first version of Nmap in a
Phrack article named The Art of Port Scanning (https://nmap.org/p51-11.html).
I never thought I'd still be at it a quarter of a century later, but that's
because I also didn't anticipate such a wonderful community of users and
contributors spanning those decades. You've helped Nmap blossom from a
fairly simple port scanner to a...

Npcap Versions 1.70 and 1.71 improve Windows packet capturing performance, stability, security, and compatibility Gordon Fyodor Lyon (Sep 01)
Hello folks. While the Nmap Project has been quiet lately (this is my
first post of the year), I'm happy to share some great progress on both
Nmap and Npcap development. Starting with our Npcap Windows packet
capturing/sending library, I'm happy to report that we quietly released
Version 1.70 in June and then 1.71 on August 19. They include many key
improvements:

* Performance: A major overhaul of Packet.dll sped up routines that...

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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APPLE-SA-09-26-2023-9 tvOS 17 Apple Product Security via Fulldisclosure (Oct 02)
APPLE-SA-09-26-2023-9 tvOS 17

tvOS 17 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/kb/HT213936.

Apple maintains a Security Updates page at
https://support.apple.com/HT201222 which lists recent
software updates with security advisories.

Airport
Available for: Apple TV HD and Apple TV 4K (all models)
Impact: An app may be able to read sensitive location information...

APPLE-SA-09-26-2023-8 watchOS 10 Apple Product Security via Fulldisclosure (Oct 02)
APPLE-SA-09-26-2023-8 watchOS 10

watchOS 10 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/kb/HT213937.

Apple maintains a Security Updates page at
https://support.apple.com/HT201222 which lists recent
software updates with security advisories.

App Store
Available for: Apple Watch Series 4 and later
Impact: A remote attacker may be able to break out of Web Content
sandbox...

APPLE-SA-09-26-2023-7 iOS 17 and iPadOS 17 Apple Product Security via Fulldisclosure (Oct 02)
APPLE-SA-09-26-2023-7 iOS 17 and iPadOS 17

iOS 17 and iPadOS 17 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/kb/HT213938.

Apple maintains a Security Updates page at
https://support.apple.com/HT201222 which lists recent
software updates with security advisories.

Airport
Available for: iPhone XS and later, iPad Pro 12.9-inch 2nd generation
and later, iPad Pro 10.5-inch,...

APPLE-SA-09-26-2023-6 Xcode 15 Apple Product Security via Fulldisclosure (Oct 02)
APPLE-SA-09-26-2023-6 Xcode 15

Xcode 15 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/kb/HT213939.

Apple maintains a Security Updates page at
https://support.apple.com/HT201222 which lists recent
software updates with security advisories.

Dev Tools
Available for: macOS Ventura 13.5 and later
Impact: An app may be able to gain elevated privileges
Description: This issue was...

APPLE-SA-09-26-2023-5 Additional information for APPLE-SA-2023-09-21-7 macOS Monterey 12.7 Apple Product Security via Fulldisclosure (Oct 02)
APPLE-SA-09-26-2023-5 Additional information for APPLE-SA-2023-09-21-7 macOS Monterey 12.7

macOS Monterey 12.7 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/kb/HT213932.

Apple maintains a Security Updates page at
https://support.apple.com/HT201222 which lists recent
software updates with security advisories.

Apple Neural Engine
Available for: macOS Monterey
Impact: An app...

APPLE-SA-09-26-2023-4 Additional information for APPLE-SA-2023-09-21-6 macOS Ventura 13.6 Apple Product Security via Fulldisclosure (Oct 02)
APPLE-SA-09-26-2023-4 Additional information for APPLE-SA-2023-09-21-6 macOS Ventura 13.6

macOS Ventura 13.6 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/kb/HT213931.

Apple maintains a Security Updates page at
https://support.apple.com/HT201222 which lists recent
software updates with security advisories.

Apple Neural Engine
Available for: macOS Ventura
Impact: An app may...

APPLE-SA-09-26-2023-3 Additional information for APPLE-SA-2023-09-21-3 iOS 16.7 and iPadOS 16.7 Apple Product Security via Fulldisclosure (Oct 02)
APPLE-SA-09-26-2023-3 Additional information for APPLE-SA-2023-09-21-3 iOS 16.7 and iPadOS 16.7

iOS 16.7 and iPadOS 16.7 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/kb/HT213927.

Apple maintains a Security Updates page at
https://support.apple.com/HT201222 which lists recent
software updates with security advisories.

App Store
Available for: iPhone 8 and later, iPad Pro...

APPLE-SA-09-26-2023-2 macOS Sonoma 14 Apple Product Security via Fulldisclosure (Oct 02)
APPLE-SA-09-26-2023-2 macOS Sonoma 14

macOS Sonoma 14 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/kb/HT213940.

Apple maintains a Security Updates page at
https://support.apple.com/HT201222 which lists recent
software updates with security advisories.

Airport
Available for: Mac Studio (2022 and later), iMac (2019 and later), Mac
Pro (2019 and later), Mac mini (2018 and...

APPLE-SA-09-26-2023-1 Safari 17 Apple Product Security via Fulldisclosure (Oct 02)
APPLE-SA-09-26-2023-1 Safari 17

Safari 17 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/kb/HT213941.

Apple maintains a Security Updates page at
https://support.apple.com/HT201222 which lists recent
software updates with security advisories.

Safari
Available for: macOS Monterey and macOS Ventura
Impact: Visiting a website that frames malicious content may lead to UI...

SEC Consult SA-20230927-0 :: Multiple Vulnerabilities in SAP® Enable Now Manager SEC Consult Vulnerability Lab, Research via Fulldisclosure (Oct 02)
SEC Consult Vulnerability Lab Security Advisory < 20230927-0 >
=======================================================================
title: Multiple Vulnerabilities
product: SAP® Enable Now Manager
vulnerable version: 10.6.5 (Build 2804) Cloud Edition
fixed version: May 2023 Release
CVE number: N/A (cloud)
impact: high
homepage: https://www.sap.com/about.html...

SEC Consult SA-20230925-0 :: Stored Cross-Site Scripting in mb Support broker management solution openVIVA c2 SEC Consult Vulnerability Lab, Research via Fulldisclosure (Oct 02)
SEC Consult Vulnerability Lab Security Advisory < 20230925-0 >
=======================================================================
title: Stored Cross-Site Scripting
product: mb Support broker management solution openVIVA c2
vulnerable version: <20220801
fixed version: =>20220801
CVE number: CVE-2022-39172
impact: Medium
homepage: https://mbsupport.de...

[tool] WatchGuard Firebox Web Update Unpacker retset (Sep 25)
A small utility for extracting file system images from "sysa-dl" update
files.

https://github.com/ret5et/Watchguard_WebUI_Unpacker

APPLE-SA-2023-09-21-6 macOS Ventura 13.6 Apple Product Security via Fulldisclosure (Sep 22)
APPLE-SA-2023-09-21-6 macOS Ventura 13.6

macOS Ventura 13.6 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/kb/HT213931.

Apple maintains a Security Updates page at
https://support.apple.com/HT201222 which lists recent
software updates with security advisories.

Additional CVE entries coming soon.

Kernel
Available for: macOS Ventura
Impact: A local attacker may be able to...

APPLE-SA-2023-09-21-7 macOS Monterey 12.7 Apple Product Security via Fulldisclosure (Sep 22)
APPLE-SA-2023-09-21-7 macOS Monterey 12.7

macOS Monterey 12.7 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/kb/HT213932.

Apple maintains a Security Updates page at
https://support.apple.com/HT201222 which lists recent
software updates with security advisories.

Additional CVE entries coming soon.

Kernel
Available for: macOS Monterey
Impact: A local attacker may be able to...

APPLE-SA-2023-09-21-5 watchOS 9.6.3 Apple Product Security via Fulldisclosure (Sep 22)
APPLE-SA-2023-09-21-5 watchOS 9.6.3

watchOS 9.6.3 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/kb/HT213929.

Apple maintains a Security Updates page at
https://support.apple.com/HT201222 which lists recent
software updates with security advisories.

Kernel
Available for: Apple Watch Series 4 and later
Impact: A local attacker may be able to elevate their privileges. Apple...

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Daily Dave — This technical discussion list covers vulnerability research, exploit development, and security events/gossip. It was started by ImmunitySec founder Dave Aitel and many security luminaries participate. Many posts simply advertise Immunity products, but you can't really fault Dave for being self-promotional on a list named DailyDave.

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DARPA AI Challenge! Dave Aitel via Dailydave (Aug 29)
I've been working with LLMs for a bit, and also looking at the DARPA Cyber
AI Challenge <https://www.darpa.mil/news-events/2023-08-09>. And to that
end I put together CORVIDCALL which uses various LLMs to essentially 100%
find-and-patch any bug example I can throw at it from the various GitHub
repos that store these things (see below).

[image: image.png]

So I learned a lot of things doing this, and one article that came out
recently...

Book Review: Fuzzing Against the Machine (Antonio Nappa, Eduardo Blazquez) Dave Aitel via Dailydave (Aug 23)
https://www.packtpub.com/product/fuzzing-against-the-machine/9781804614976

The authors claim in their conclusion: "We want to stress the importance of
books as journeys to explore and experience topics from the unique
viewpoint of the authors."

And in this they succeeded. This book works best as a proposed curriculum
for a five day workshop for experts to reproduce fuzzing frameworks that
target embedded platforms - including Android...

Re: BlackHat and Defcon 2023 JJ Gray via Dailydave (Aug 16)
The BsidesLV "Cavalry" track was exactly that, how Policy has been changed due to significant efforts by technical
people, such as medical devices being subject to FDA regulation and DCMA exemption.
This years talks are not up yet but the track from last year is at
https://www.youtube.com/playlist?list=PLjpIlpOLoRNTdZqdr-jR9sa8niVSy4pPf

It was very educational I found, for example how difficult it is to define what a...

Re: BlackHat and Defcon 2023 Thomas Dullien via Dailydave (Aug 16)
Hey all,

two quick notes:

1) I am deeply thankful for Katie and Dave, and many others (you know who
you are, if you want to be mentioned by name here send me a message) that
have spent time sitting in meetings that did not concern them until they
had a voice in meetings that did. I have been extremely ineffective in all
matters policy because ... I seem to be incapable of doing that work (aside
from being on the wrong side of the Atlantic,...

Re: BlackHat and Defcon 2023 Phil Neray via Dailydave (Aug 15)
As always, it was the speakers themselves at Defcon that made the talks
memorable. For example, I caught the last half of the presentation by Joe
Sullivan, former US federal prosecutor and Uber CISO (also former CISO at
Facebook and Cloudflare; also worked at eBay and PayPal).

The session was in the [new?] track called "War Stories — On the Record"
and it was a human, straight-talking narrative about the Uber "cover up"
for...

Re: BlackHat and Defcon 2023 Dominique Brezinski via Dailydave (Aug 15)
simply configuring routers, firewalls, and security software. There was a
noticeable point where it became clear to really have an impact as a
security engineer required software development--whether it was creating
tools, reviewing code, or building security into products/services. And
following that many of the mastering "product" jobs disappeared in
security. Like fashion, it seems what is old becomes new again. That is...

Re: BlackHat and Defcon 2023 Katie M via Dailydave (Aug 15)
The policy-making trend deserves its own thread.

Dave & I and a few others have done “deep policy work” which requires years
(not just a few meetings and summits) of pushing extremely unpopular
contrarian technical facts over desired policy outcomes that were drafted
by people who often don’t fundamentally understand how computers work.

The policy tail has been wagging the technology dog for a while & it’s all
running amok...

Re: BlackHat and Defcon 2023 Richard Thieme via Dailydave (Aug 15)

Re: BlackHat and Defcon 2023 A.P. Delchi via Dailydave (Aug 15)
Don't mistake the industry culture for the hacker culture. For every bit
of "glocalization of cyber" and the industry demands of mastering
products, there are people who are still picking up soldering irons,
building robots, making off cloud home automation, inventing new things and
international fun projects like the stack-chan personal robots. I'm not
saying you are wrong, however adapting to the industry to get the jobs...

Re: BlackHat and Defcon 2023 A.P. Delchi via Dailydave (Aug 15)
What was cool for me was DEF CON HDA ( Hackers with Disabilities ) --
seeing the members of the community that are hacking away at things like
mobility scooters, using eye-tracking keyboards , and the general community
that is building in that regard. DEF CON this year had 3 rooms assigned to
assisting / presenting to ADA needs.

Re: BlackHat and Defcon 2023 Matt Suiche via Dailydave (Aug 15)
You are on point on so many levels. I've also been noticing a significant
culture shift.

There is definitely a strong focus on policy-making, which now promotes
conformity in thought and dismiss critical perspectives. These are the very
things that the hacker culture once opposed, but they also now represent
what policy-making is. We could even say that policy-making is now molding
the hacker culture, rather than the other way around, and...

Re: BlackHat and Defcon 2023 Ryan Naraine via Dailydave (Aug 15)
chaos with new eyes. What's "cool" I asked?

What was the answer?

BlackHat and Defcon 2023 Dave Aitel via Dailydave (Aug 14)
The Vegas security conferences used to feel like diving into a river. While
yes, you networked and made deals and talked about exploits, you also felt
for currents and tried to get a prediction of what the future held. A lot
of this was what the talks were about. But you went to booths to see what
was selling, or what people thought was selling, at least.

But it doesn't matter anymore what the talks are about. The talks are about...

More Neo4j Dave Aitel via Dailydave (Aug 03)
https://www.youtube.com/live/YY-ugAHPu4M?feature=share&t=1057

I have on my todo list to reply to our thread last month, but in the
meantime, here is a video that goes over all the lessons learned from my
last couple years doing Neo4j.

But as a reminder, we should still port Ghidra to Neo4j. :)

-dave

Re: Tooling, Graph Databases, etc. Jason Lash via Dailydave (Jun 28)
I've been using Joern with Ghidra for a couple years. For my needs, the
ghidra2cpg project is too limiting. It works at the disassembly level by
mapping various CPU instructions for a few common archs via a
pre-patched bundled Ghidra build (ie, no custom loaders, processor
definitions, etc). As a work-around, I've hacked together an alternative
(worse) approach that operates on the decompiler level: a Ghidra script
that just...

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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)
Cybersecurity and Infrastructure Security Agency (CISA) - Defend Today, Secure Tomorrow

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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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Re: [CVE-2023-42754] null pointer dereference in Linux kernel ipv4 stack Kyle Zeng (Oct 02)
Yes, to the best of my knowledge, CAP_NET_ADMIN is required for triggering
the bug (at least for the attached proof-of-concept code), which can be
obtained in user namespace (enabled by default in most desktop environments).

And thank you for letting me know. I will report the privilege
requirement properly next time.

Best,
Kyle Zeng

Re: [CVE-2023-42754] null pointer dereference in Linux kernel ipv4 stack Solar Designer (Oct 02)
When reporting issues like this, please always note the privileges
required for attack. For the example above, it appears to be
CAP_NET_ADMIN within the namespace:

static int
do_ip_vs_set_ctl(struct sock *sk, int cmd, sockptr_t ptr, unsigned int len)
{
[...]
if (!ns_capable(sock_net(sk)->user_ns, CAP_NET_ADMIN))
return -EPERM;

I guess other possibilities for triggering this issue (if any) have
similar requirements....

[CVE-2023-42754] null pointer dereference in Linux kernel ipv4 stack Kyle Zeng (Oct 02)
Hi there,

I recently found a null pointer dereference in Linux kernel that
affects at least upstream and v6.2.16 and v6.1.y, more versions may be affected.

[Root Cause]
The bug is in "ipv4_send_dest_unreach" function in net/ipv4/route.c.
~~~
static void ipv4_send_dest_unreach(struct sk_buff *skb)
{
...
res = __ip_options_compile(dev_net(skb->dev), &opt, skb, NULL);
...
}
~~~
As shown above, this function...

Re: Exim4 MTA CVEs assigned from ZDI Heiko Schlittermann (Oct 02)
Dear Exim Users,

we released the available fixes for the issues mentioned in the recent
CVEs. We're very sorry for any inconvenience.

See this link for a summary: https://exim.org/static/doc/security/CVE-2023-zdi.txt

Distribution points:
--------------------
- git://git.exim.org
branches:
- spa-auth-fixes (based on the current master) [commit IDs: 7bb5bc2c6 0519dcfb5 e17b8b0f1 04107e98d]
- exim-4.96+security (based on exim-4.96)...

Re: Rust programs in distrbutions (Was: CVE-2023-5217: Heap buffer overflow in vp8 encoding in libvpx) Michael Orlitzky (Oct 02)
The rebuilds aren't the problem, it's the labor required to bestow
version compatibility unto hundreds of packages whose authors have
never had to care about it.

If I'm trying to package Foo and if it depends on Bar, one common
problem is that Foo will use pessimistic version bounds like <=Bar-1.0.
(Even if Bar-1.0 is ancient, that's no problem for users of the
bundling tool including upstream itself.) Now suppose Bar-1.1...

Re: "Linux Kernel security demistified" Greg KH (Oct 02)
Then those companies are not going to get very far, sorry.

We've been working this way for Linux for a very long time now, and it's
worked very well without any NDAs. For good reasons, you never want to
sign one as it turns out to make the info you learn in them _more_
likely to leak, talk to a lawyer for all the fun details.

thanks,

greg k-h

Re: "Linux Kernel security demistified" Loganaden Velvindron (Oct 02)
It was a very insightful talk. However, I'm not sure whether companies
would even be willing to start a conversation with an open source
community without
an NDA being signed.

Coming from a developing country in Africa, we are building cloud
services in our new data centers for local businesses.
We wish we could offer the same level of security as large cloud
services if the large hardware companies
were willing to open a channel to us...

Re: Exim4 MTA CVEs assigned from ZDI Heiko Schlittermann (Oct 02)
We go public with the available fixes (addressing a subset of
the issues) on Monday, Oct 2nd, 12:00 UTC.

The distribution points will be:

- git://git.exim.org
branches:
- spa-auth-fixes (based on the current master)
- exim-4.96+security (based on exim-4.96)
- exim-4.96.1+fixes (based on exim-4.96.1 with the fixes from exim-4.96+fixes)
tags:
- exim-4.96.1

- tarballs for exim-4.96.1: https://ftp.exim.org/pub/exim/exim4/

Best...

Re: "Linux Kernel security demistified" Greg KH (Oct 02)
It's going to be much the same talk, with only minor tweaks as I forgot
some points I wanted to make in the first one.

Thanks for the link to my slides and presentation, glad to see that
information get spread wider!

greg k-h

Re: "Linux Kernel security demistified" Jan Engelhardt (Oct 01)
Had a little chuckle.

Slide 50: "If you are not using a stable kernel, your system is insecure."
Slide 10: "All releases are stable."

What a relief! :D

Re: Exim4 MTA CVEs assigned from ZDI Heiko Schlittermann (Oct 01)
Heiko Schlittermann <hs () nodmarc schlittermann de> (So 01 Okt 2023 18:49:06 CEST):

We plan¹ to go public with the available fixes (addressing a subset of
the issues) on Monday, Oct 2nd, 12:00 UTC.

By this time we'll provide access the available fixes (based on the
current master), and to an exim-4.96.1 security release.

¹) In case none of the major distributions runs asks us for a delay.

Best regards from Dresden/Germany...

"Linux Kernel security demistified" Solar Designer (Oct 01)
Hi,

Greg KH gave a talk entitled "Linux Kernel security demistified" at
Kernel Recipes 2023 (10th Edition) on September 26 in Paris, France.

Thank you, Greg!

Here are the slides:

https://git.sr.ht/~gregkh/presentation-security
https://git.sr.ht/~gregkh/presentation-security/blob/3547183843399d693c35b502cf4a313e256d0dd8/security-stuff.pdf

Video:

https://www.youtube.com/watch?v=xDHTn0auo2w&t=14975s (4:09:30 to 5:00:40)

My...

Re: CVE-2023-5217: Heap buffer overflow in vp8 encoding in libvpx Ken Moffat (Oct 01)
Does anyone know how far back libvpx is affected ? Asking because
seamonkey-2.53.17.1 is apparently shipping a version of libvpx-1.7.0
from 2020 and I'm told it no longer builds against system
libvpx-1.13.1, although a recent version apparently built against
libvpx-1.11.0.

ĸen

Re: Exim4 MTA CVEs assigned from ZDI Heiko Schlittermann (Oct 01)
Dear Exim users,

thank you for your patience. The following tries to provide an abstract
about the topics that arose during the recent hours.

Summary
-------
Six 0day exploits were filed against Exim.

None of these issues is related to transport security (TLS) being
on or off.

* 3 of them are related to SPA/NTLM, and EXTERNAL auth. If you do not use
SPA/NTLM, or EXTERNAL authentication, you're not affected.
These issues are fixed....

linux-distros list membership application - CIQ Rocky Linux Security Team Solar Designer (Oct 01)
Hi,

Rocky Linux is a prominent Enterprise Linux distribution in the spirit
of original goals of the CentOS project, founded by Gregory Kurtzer, who
had also co-founded CentOS and is founder and CEO of the primary
corporate sponsor of the Rocky Linux project, CIQ:

https://rockylinux.org
https://ciq.com

Besides heavily sponsoring Rocky Linux (yet without being its owner),
CIQ also has its own Open Source and commercial offerings:

"Our...

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Re: MX204 tunnel services BW Tom Beecher (Oct 03)
This was pretty much my understanding as well, last time I dealt with this.

Re: MX204 tunnel services BW Owen DeLong via NANOG (Oct 03)
You can configure tunnel bandwidth everywhere, but you can’t configure
a given tunnel everywhere, you have to assign it to a particular FPC/PIC/0.

For example, with:
set chassis fps 2 pic 3 tunnel-services bandwidth 10g

You need to create gr-2/3/0 interfaces for tunnels to use that PFE.

You can create multiple tunnel-services bandwidth entries on multiple
PICs, but you can only put a given tunnel on one gr-x/y/0 interface.

Owen

Re: MX204 tunnel services BW Owen DeLong via NANOG (Oct 03)
Yeah, doesn’t quite work that way…

The tunnel is assigned to one particular PFE.

What was the aggregate throughput on that PFE (which spending on the card may well top out at 40Gbps or even 10Gbps,
though not likely
on most Trio-based cards, that’s more of the DPC era cards, which did require you to sacrifice a port for tunnel
bandwidth).

Owen

Re: Legal system as a weapon (was Re: AFRINIC placed in receivership) Delron Troy (Oct 03)
😁😆

Re: MX204 tunnel services BW Saku Ytti (Oct 02)
You might have more luck in j-nsp.

But yes you don't need any physical interface in trio to do tunneling.
I can't explain your problem, and you probably need JTAC help. I would
appreciate it if you'd circle back and tell what the problem was.

How it works is that when PPE decides it needs to tunnel the packet,
you're going to send the packet back to MQ via SERDES (which will then
send it again to some PPE, not the same). I...

Re: cogent spamming directly from ARIN records? Collider (Oct 02)
So is LAWKIWBO, which is the correct acronym mentioned downthread.

Le 3 octobre 2023 00:29:08 UTC, Collider <large.hadron.collider () gmx com> a écrit :

Re: cogent spamming directly from ARIN records? Collider (Oct 02)
Congrats! LIOAWKI is a hapax legomenon in DuckDuckGo's search results! Could you please tell me & the list what it
means?

Le 2 octobre 2023 15:28:03 UTC, Mel Beckman <mel () beckman org> a écrit :

Re: maximum ipv4 bgp prefix length of /24 ? Delong.com via NANOG (Oct 02)
That’s only (possibly) true _IF_ the compression being done is lossy compression. There are several FIB compression
techniques available that don’t involve this kind of discarding data (think data deduplication vs. data removal).

Agreed that if the vendors start implementing lossy compression, there should be a switch to turn it off or at least
reduce its aggressiveness back to lossless compression. However, I have no reason to think that...

Re: cogent spamming directly from ARIN records? Tim Burke (Oct 02)
In this case, it came from a person with the title of “Global Account Manager”. Unless sales people are handling
peering requests all of a sudden, it’s definitely a sales pitch.

Re: MX204 tunnel services BW Delong.com via NANOG (Oct 02)
AIUI, with Trio, you don’t have to disable a physical port, but that comes at the cost of “Tunnel gets whatever
bandwidth is left after physical port packets are processed” and likely some additional overhead for managing the
sharing.

Could that be what’s happening to you?

Owen

Re: cogent spamming directly from ARIN records? Mel Beckman (Oct 02)
Patrick,

It’s a sales pitch, and ARIN acknowledges it violates their terms and has taken action.

-mel

Re: cogent spamming directly from ARIN records? Patrick W. Gilmore (Oct 02)
Has anyone replied?

If this is a peering request, not sure that is a bad use of the AS contact info.

If it is a sales pitch, then yeah, that’s a problem.

Anyone from OpenAI? Yan Filyurin (Oct 02)
Is there anyone from OpenAI on this list who could reach out to me? This
has to do with OpenAI access. Thank you!

Yan Filyurin
Oracle Cloud Infrastructure
yan.filyurin () oracle com

Re: cogent spamming directly from ARIN records? Mark Tinka (Oct 02)
That's my point.

Smaller ISP's will get better per-Mbps rates from their direct upstreams
than they would from HE/Cogent. The rates they'd get from HE/Cogent
would be to HE's/Cogen's favour, and not to the ISP's favour.

So if the goal is transit-free glory vanity, HE/Cogent would have to
take a bit of a haircut which they "could" make up in contract length.

Just another way to skin the cat.

Mark.

Re: maximum ipv4 bgp prefix length of /24 ? Jakob Heitz (jheitz) via NANOG (Oct 02)
On a related note, I'm working on a project to handle FIB overflow in
such a way as to cause the least disruption in the network.

I welcome suggestions either on or off list.

Kind Regards,
Jakob

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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...

Metasploit — Development discussion for Metasploit, the premier open source remote exploitation tool

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Wireshark — Discussion of the free and open source Wireshark network sniffer. No other sniffer (commercial or otherwise) comes close. This archive combines the Wireshark announcement, users, and developers mailing lists.

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Snort — Everyone's favorite open source IDS, Snort. This archive combines the snort-announce, snort-devel, snort-users, and snort-sigs lists.

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Snort Subscriber Rules Update 2023-10-03 Research (Oct 03)
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-image and
server-mail 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 2023-09-28 Research (Sep 28)
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 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 2023-09-26 Research (Sep 26)
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-image,
file-office and os-windows 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

Guidance on Creating Sequential SNORT Rules for Replay Attack Detection Geriot Polenz via Snort-sigs (Sep 21)
Dear SNORT Community,

I'm currently working on enhancing our SNORT rules to better detect *replay
attacks and man-in-the-middle attacks*. To achieve this, I'm interested in
creating SNORT rules that can be triggered sequentially, where the second
rule is only activated after a certain first rule has been triggered.
Additionally, I'd like the second rule to sniff for content that is either
completely or partially equal to the...

Snort Subscriber Rules Update 2023-09-21 Research (Sep 21)
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 policy-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 2023-09-19 Research (Sep 19)
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-pdf and
malware-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 2023-09-14 Research (Sep 14)
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 file-pdf 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 2023-09-12 Research (Sep 12)
Talos Snort Subscriber Rules Update

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

Details:
Microsoft Vulnerability CVE-2023-36802:
A coding deficiency exists in Microsoft Streaming Service Proxy 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, SIDs 62385 through 62386,
Snort 3:...

Snort Subscriber Rules Update 2023-09-07 Research (Sep 07)
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-office,
malware-tools 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 2023-09-05 Research (Sep 05)
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 malware-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 2023-08-31 Research (Aug 31)
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 malware-cnc
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 2023-08-29 Research (Aug 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 exploit-kit,
file-image, file-office, file-other, malware-cnc, malware-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 2023-08-24 Research (Aug 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-office,
file-other and server-apache 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 2023-08-22 Research (Aug 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 file-other,
malware-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 2023-08-17 Research (Aug 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 malware-cnc,
malware-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