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[gentoo-announce] GLSA: xfree
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klieber
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Joined: 17 Apr 2002
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PostPosted: Thu Oct 24, 2002 1:29 pm    Post subject: [gentoo-announce] GLSA: xfree Reply with quote

Daniel Ahlberg wrote:
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GENTOO LINUX SECURITY ANNOUNCEMENT 200210-006
----------------------------------------------------------------------

PACKAGE : xfree
SUMMARY\240: Shared memory may be compromised by local XFree86 users
DATE \240\240 : 2002-10-24 10:00 UTC
EXPLOIT : local

- - --------------------------------------------------------------------

Roberto Zunino discovered a vulnerability in the MIT-SHM extension of XFree86 prior to versions 4.2.1. The vulnerability allows a local user who can run XFree86 to gain read/write access to any shared memory segment in the system. Although the use of shared memory segments to store trusted data is not a common practice, by exploiting this vulnerability the attacker potentially can get and/or change sensitive information.

SOLUTION

It is recommended that all Gentoo Linux users who are running x11-base/xfree-4.2.0-r12 and earlier update their systems as follows:

emerge rsync
emerge xfree
emerge clean

- - --------------------------------------------------------------------
aliz@gentoo.org - GnuPG key is available at www.gentoo.org/~aliz
- - --------------------------------------------------------------------

Mailing List Archive:http://lists.gentoo.org/pipermail/gentoo-announce/2002-October/000224.html

--kurt
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