full-disclosure - Re: [DSA 444-1] New Linux 2.4.17 packages fix local root exploit (ia64)

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Message-ID: <Pine.LNX.4.44.0402201243240.13589-100000@isec.pl>
From: cliph at isec.pl (Wojciech Purczynski)
Subject: Re: [DSA 444-1] New Linux 2.4.17 packages fix local root exploit
 (ia64)

> --------------------------------------------------------------------------
> Debian Security Advisory DSA 444-1                     security@...ian.org
> http://www.debian.org/security/                             Martin Schulze
> February 20th, 2004                     http://www.debian.org/security/faq
> --------------------------------------------------------------------------
> 
> Package        : kernel-image-2.4.17-ia64
> Vulnerability  : missing function return value check
> Problem-Type   : local
> Debian-specific: no
> CVE ID         : CAN-2004-0077
> 
> Paul Starzetz and Wojciech Purczynski of isec.pl discovered a critical
> security vulnerability in the memory management code of Linux inside
> the mremap(2) system call.  Due to missing function return value check
> of internal functions a local attacker can gain root privileges.

This time I haven't played my role in this spectacle.
Full credits go to Paul.

Cheers,
wp

-- 
Wojciech Purczynski
iSEC Security Research
http://isec.pl/