Date: Thu, 25 Sep 2008 23:23:08 +0200
From: Pierre-Yves Rofes <py@gentoo.org.>
To: gentoo-announce@gentoo.org
Subject: [ GLSA 200809-18 ] ClamAV: Multiple Denials of Service
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Gentoo Linux Security Advisory GLSA 200809-18
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http://security.gentoo.org/=
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Severity: Normal
Title: ClamAV: Multiple Denials of Service
Date: September 25, 2008
Bugs: #236665
ID: 200809-18
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Synopsis
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Multiple vulnerabilities in ClamAV may result in a Denial of Service.
Background
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Clam AntiVirus is a free anti-virus toolkit for UNIX, designed
especially for e-mail scanning on mail gateways.
Affected packages
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Package / Vulnerable / Unaffected
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1 app-antivirus/clamav < 0.94 >=3D 0.9=
4
Description
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Hanno boeck reported an error in libclamav/chmunpack.c when processing
CHM files (CVE-2008-1389). Other unspecified vulnerabilites were also
reported, including a NULL pointer dereference in libclamav
(CVE-2008-3912), memory leaks in freshclam/manager.c (CVE-2008-3913),
and file descriptor leaks in libclamav/others.c and libclamav/sis.c
(CVE-2008-3914).
Impact
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A remote attacker could entice a user or automated system to scan a
specially crafted CHM, possibly resulting in a Denial of Service
(daemon crash). The other attack vectors mentioned above could also
result in a Denial of Service.
Workaround
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There is no known workaround at this time.
Resolution
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All ClamAV users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=3Dapp-antivirus/clamav-0.94"
References
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[ 1 ] CVE-2008-1389
http://cve.mitre.org/cgi-bin/cvename.cgi?name=3DCVE-2008-1389
[ 2 ] CVE-2008-3912
http://cve.mitre.org/cgi-bin/cvename.cgi?name=3DCVE-2008-3912
[ 3 ] CVE-2008-3913
http://cve.mitre.org/cgi-bin/cvename.cgi?name=3DCVE-2008-3913
[ 4 ] CVE-2008-3914
http://cve.mitre.org/cgi-bin/cvename.cgi?name=3DCVE-2008-3914
Availability
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This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200809-18.xml
Concerns?
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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
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Copyright 2008 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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