From: Secunia Security Advisories (sec-advsecunia.com)
Date: Mon Jul 07 2003 - 05:01:59 CDT

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TITLE:
Debian x-face-el Insecure Temporary File Creation Vulnerability

READ ONLINE:
http://www.secunia.com/advisories/9186/

CRITICAL:
Less critical

IMPACT:
Privilege escalation

WHERE:
Local system

OPERATING SYSTEM:
Debian GNU/Linux unstable alias sid
Debian GNU/Linux 3.0

DESCRIPTION:
Debian has reported a vulnerability in x-face-el, which can be
exploited by malicious, local users to escalate their privileges on a
vulnerable system.

The vulnerability is caused due to insecure creation of temporary
files, which potentially could be exploited via a symlink attack to
overwrite arbitrary files with the privileges of the user running
Emacs and x-face-el.

SOLUTION:
Updated packages:

-- Debian GNU/Linux 3.0 alias woody --

Source archives:

http://security.debian.org/pool/updates/main/x/x-face-el/x-face-el_1.3.6.19-1woody1.dsc
Size/MD5 checksum: 591 f431ba4034b534290d29103076464020
http://security.debian.org/pool/updates/main/x/x-face-el/x-face-el_1.3.6.19-1woody1.diff.gz
Size/MD5 checksum: 21268 ba3e6ed17c8c03e8fab969909bcd8572
http://security.debian.org/pool/updates/main/x/x-face-el/x-face-el_1.3.6.19.orig.tar.gz
Size/MD5 checksum: 80666 b541ab8e216e9df76f45b8b26241debd

Architecture independent components:

http://security.debian.org/pool/updates/main/x/x-face-el/x-face-el_1.3.6.19-1woody1_all.deb
Size/MD5 checksum: 101882 9773535a2bb5e0ce12c34bb0bd5b351a

-- Debian GNU/Linux unstable alias sid --

Fixed in version 1.3.6.23-1.

ORIGINAL ADVISORY:
http://lists.debian.org/debian-security-announce/debian-security-announce-2003/msg00137.html

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