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Re: [Full-disclosure] Re: Linux Kernel 2.6.x PRCTL Core Dump Handling - Local r00t Exploit ( BID 18874 / CVE-2006-2451 )
From: Jon Hart <jhart () spoofed org>
Date: Wed, 12 Jul 2006 20:10:22 -0700

On Thu, Jul 13, 2006 at 01:23:10AM +0300, Ariel Biener wrote:
On Wednesday 12 July 2006 03:15, Roman Medina-Heigl Hernandez wrote:

Ignore my previous post, it does create a setuid bash version in /tmp/sh, the 
reason it doesn't work is due to SELinux contexts.

This is an important note, IMO.   While the original advisory states
that only kernels >= 2.6.13 and <= are vulnerable, it looks
like, somehow, the same vulnerable code is present in patched Redhat
kernels.  The previous poster had a 2.6.9 version, and I've just
verified that 2.6.9-11.ELsmp (provided with RH EL 4 update 1) is also

If this is the case of backporting, this should come as no surprise.  If
it is not a backport issue, what vulnerability is being exploited on
these supposedly older kernels?


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