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[SA13771] Debian lintian Insecure Temporary File Deletion Security Issue

From: Secunia Security Advisories (sec-advsecunia.com)
Date: Mon Jan 10 2005 - 05:52:21 CST


TITLE:
Debian lintian Insecure Temporary File Deletion Security Issue

SECUNIA ADVISORY ID:
SA13771

VERIFY ADVISORY:
http://secunia.com/advisories/13771/

CRITICAL:
Not critical

IMPACT:
Privilege escalation

WHERE:
Local system

OPERATING SYSTEM:
Debian GNU/Linux 3.0
http://secunia.com/product/143/
Debian GNU/Linux unstable alias sid
http://secunia.com/product/530/

DESCRIPTION:
Jeroen van Wolffelaar has reported a security issue in lintian, which
can be exploited by malicious, local users to perform certain actions
on a vulnerable system with escalated privileges.

Temporary files are handled insecurely and can be exploited via
symlink attacks combined with a race condition to remove arbitrary
files or directories.

SOLUTION:
Apply updated packages.

-- Debian GNU/Linux 3.0 --

Source archives:

http://security.debian.org/pool/updates/main/l/lintian/lintian_1.20.17.1.dsc
Size/MD5 checksum: 505 03d54a4d67f1c784cbee0fdac29fd9d6
http://security.debian.org/pool/updates/main/l/lintian/lintian_1.20.17.1.tar.gz
Size/MD5 checksum: 198277 886c05fe72a348ca3db23856c59bf8af

Architecture independent components:

http://security.debian.org/pool/updates/main/l/lintian/lintian_1.20.17.1_all.deb
Size/MD5 checksum: 171384 bc968e0eeebad128e743d716e4bc10e7

-- Debian GNU/Linux unstable alias sid --

Fixed in version 1.23.6.

PROVIDED AND/OR DISCOVERED BY:
Jeroen van Wolffelaar

ORIGINAL ADVISORY:
http://www.debian.org/security/2005/dsa-630

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