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[ GLSA 200708-04 ] ClamAV: Denial of Service


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Date: Fri, 10 Aug 2007 00:10:50 +0200
From: Raphael Marichez <falco@gentoo.org.>
To: [email protected]
Subject: [ GLSA 200708-04 ] ClamAV: Denial of Service
Message-ID: <20070809221050.GE22919@falco.falcal.net.>
Mail-Followup-To: [email protected],
        [email protected], [email protected],
        [email protected]
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Content-Type: multipart/signed; micalg=pgp-sha1;
        protocol="application/pgp-signature"; boundary="MIdTMoZhcV1D07fI"
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X-Web: http://falco.bz/
X-GPG-fingerprint: 04EB 153A 6B28 3E80 87A9  9B4F A77C 4BDE 021C 5BD2
X-GPG-Key: http://subkeys.pgp.net:11371/pks/lookup?op=get&search=0x021C5BD2
X-GPG-Subkey: http://subkeys.pgp.net:11371/pks/lookup?op=get&search=0x0114FC45
Organization: Gentoo Linux Security Team
User-Agent: Mutt/1.5.13 (2006-08-11)
X-Virus-Scanned: antivirus-gw at tyumen.ru


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Gentoo Linux Security Advisory                           GLSA 200708-04
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: ClamAV: Denial of Service
      Date: August 09, 2007
      Bugs: #185013
        ID: 200708-04

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Synopsis
========

A vulnerability has been discovered in ClamAV, allowing for a Denial of
Service.

Background
==========

ClamAV is a GPL virus scanner.

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

    -------------------------------------------------------------------
     Package               /  Vulnerable  /                 Unaffected
    -------------------------------------------------------------------
  1  app-antivirus/clamav       < 0.91                         >= 0.91


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

Metaeye Security Group reported a NULL pointer dereference in ClamAV
when processing RAR archives.

Impact
======

A remote attacker could send a specially crafted RAR archive to the
clamd daemon, resulting in a crash and a Denial of Service.

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-0.91"


References
==========

  [ 1 ] CVE-2007-3725
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3725

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

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

  http://security.gentoo.org/glsa/glsa-200708-04.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
[email protected] 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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