GLSA 200612-18 ClamAV: Denial of Service
Posted on: 12/18/2006 09:30 PM

A new security update has been released for Gentoo Linux - ClamAV: Denial of Service. Here the announcement:

Gentoo Linux Security Advisory GLSA 200612-18
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http://security.gentoo.org/
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Severity: Normal
Title: ClamAV: Denial of Service
Date: December 18, 2006
Bugs: #157698
ID: 200612-18

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Synopsis
========

ClamAV is vulnerable to Denial of Service.

Background
==========

ClamAV is a GPL virus scanner.

Affected packages
=================

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Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 app-antivirus/clamav lt; 0.88.7 gt;= 0.88.7

Description
===========

Hendrik Weimer discovered that ClamAV fails to properly handle deeply
nested MIME multipart/mixed content.

Impact
======

By sending a specially crafted email with deeply nested MIME
multipart/mixed content an attacker could cause ClamAV to crash.

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 "gt;=app-antivirus/clamav-0.88.7"

References
==========

[ 1 ] CVE-2006-6481
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-6481

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

http://security.gentoo.org/glsa/glsa-200612-18.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@gentoo.org or alternatively, you may file a bug at
http://bugs.gentoo.org.

License
=======

Copyright 2006 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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