Nmap Security Scanner
*Intro
*Ref Guide
*Install Guide
*Download
*Changelog
*Book
*Docs
Security Lists
*Nmap Hackers
*Nmap Dev
*Bugtraq
*Full Disclosure
*Pen Test
*Basics
*More
Security Tools
*Pass crackers
*Sniffers
*Vuln Scanners
*Web scanners
*Wireless
*Exploitation
*Packet crafters
*More
Site News
Site Search:
Exploit World
Advertising
About/Contact
Credits
Sponsors:




fulldisclosure logo Full Disclosure mailing list archives

Re: a secure base system
From: Alexander Bartolich <alexander.bartolich () gmx at>
Date: Mon, 15 Mar 2004 20:27:48 +0100

Tobias Weisserth wrote:
/tmp should always be mounted noexec. Add /home as well with noexec.
[...] This may be a trade-off, but the result is more security.

On typical Linux distributions noexec is pointless.
It does not prevent the execution of dynamically linked ELF images.

$ readelf -l /bin/bash | grep interpreter
      [Requesting program interpreter: /lib/ld-linux.so.2]

$ /lib/ld-linux.so.2 /bin/bash --version
GNU bash, version 2.05b.0(1)-release (i386-redhat-linux-gnu)
Copyright (C) 2002 Free Software Foundation, Inc.

_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.netsys.com/full-disclosure-charter.html


  By Date           By Thread  

Current thread:
[ Nmap | Sec Tools | Mailing Lists | Site News | About/Contact | Advertising | Privacy ]