[Tfug] Kernel Exploit NOT Debian-specific

Jon bigj at tfug.org
Mon Dec 1 15:55:57 MST 2003


So I'm assuming that "userland" implies it was an inside job.
Good stuff, Maynard.

Jon


On Mon, 1 Dec 2003, Angus Scott-Fleming wrote:

> Lots of folks here running Debian ... and other distros ...
>
> Developers: Kernel Exploit Cause Of Debian Compromise
>  Posted by simoniker on 14:40 Monday 01 December 2003
>  from the slightly-disturbing dept.
>
>   mbanck writes "The cause of the recent Debian Project
>   server compromise has been published by the Debian
>   security team: 'Forensics revealed a burneye encrypted
>   exploit. Robert van der Meulen managed to decrypt the
>   binary which revealed a kernel exploit. Study of the
>   exploit by the RedHat and SuSE kernel and security teams
>   quickly revealed that the exploit used an integer
>   overflow in the brk system call. Using this bug it is
>   possible for a userland program to trick the kernel into
>   giving access to the full kernel address space'. This
>   issue has been fixed in 2.4.23. Thus, the Linux kernel
>   compromise was not Debian specific."
>
> http://developers.slashdot.org/article.pl?sid=03/12/01/2133249
>
> --
> Angus Scott-Fleming
> GeoApps, Tucson, Arizona
> http://www.geoapps.com/
> ---------------------------------------------------------
>
>
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