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Message-ID: <462E240F.8070200@gentoo.org>
Date: Tue, 24 Apr 2007 17:36:47 +0200
From: Matthias Geerdsen <vorlon@...too.org>
To: gentoo-announce@...too.org
Cc: bugtraq@...urityfocus.com, full-disclosure@...ts.grok.org.uk,
security-alerts@...uxsecurity.com
Subject: [ GLSA 200704-21 ] ClamAV: Multiple vulnerabilities
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Gentoo Linux Security Advisory GLSA 200704-21
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http://security.gentoo.org/
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Severity: High
Title: ClamAV: Multiple vulnerabilities
Date: April 24, 2007
Bugs: #174375
ID: 200704-21
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Synopsis
========
Multiple vulnerabilities have been discovered in ClamAV allowing for
the remote execution of arbitrary code.
Background
==========
ClamAV is a GPL virus scanner.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 app-antivirus/clamav < 0.90.2 >= 0.90.2
Description
===========
iDefense Labs have reported a stack-based buffer overflow in the
cab_unstore() function when processing negative values in .cab files.
Multiple file descriptor leaks have also been reported in chmunpack.c,
pdf.c and dblock.c when processing .chm files.
Impact
======
A remote attacker could send a specially crafted CHM file to the
scanner, possibly resulting in the remote execution of arbitrary code
with the privileges of the user running ClamAV.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All ClamAV users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-antivirus/clamav-0.90.2"
References
==========
[ 1 ] CVE-2007-1745
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1745
[ 2 ] CVE-2007-1997
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1997
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200704-21.xml
Concerns?
=========
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users machines is of utmost
importance to us. Any security concerns should be addressed to
security@...too.org or alternatively, you may file a bug at
http://bugs.gentoo.org.
License
=======
Copyright 2007 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).
The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.
http://creativecommons.org/licenses/by-sa/2.5
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