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From: aliz at gentoo.org (Daniel Ahlberg) Subject: GLSA: xfree -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - - -------------------------------------------------------------------- GENTOO LINUX SECURITY ANNOUNCEMENT 200210-006 - - -------------------------------------------------------------------- PACKAGE : xfree SUMMARY : Shared memory may be compromised by local XFree86 users DATE : 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@...too.org - GnuPG key is available at www.gentoo.org/~aliz - - -------------------------------------------------------------------- -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.0 (GNU/Linux) iD8DBQE9t8Q0fT7nyhUpoZMRAhNtAJ9LVe8VAj8cSWvNfreoZcBgdMewvACgwy64 cSJNZmLWeKfcol6ah9xIYQ8= =fEUk -----END PGP SIGNATURE-----
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