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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200404-07">
<title>ClamAV RAR Archive Remote Denial Of Service Vulnerability</title>
<synopsis>
ClamAV is vulnerable to a denial of service attack when processing certain
RAR archives.
</synopsis>
<product type="ebuild">clamav</product>
<announced>April 07, 2004</announced>
<revised>May 22, 2006: 02</revised>
<bug>45357</bug>
<access>remote</access>
<affected>
<package name="app-antivirus/clamav" auto="yes" arch="*">
<unaffected range="ge">0.68.1</unaffected>
<vulnerable range="le">0.68</vulnerable>
</package>
</affected>
<background>
<p>
From <uri link="http://www.clamav.net/">http://www.clamav.net/</uri> :
</p>
<p>
"Clam AntiVirus is a GPL anti-virus toolkit for UNIX. The main purpose
of this software is the integration with mail servers (attachment
scanning). The package provides a flexible and scalable multi-threaded
daemon, a command line scanner, and a tool for automatic updating via
Internet. The programs are based on a shared library distributed with
the Clam AntiVirus package, which you can use with your own software.
Most importantly, the virus database is kept up to date."
</p>
</background>
<description>
<p>
Certain types of RAR archives, including those created by variants of
the W32.Beagle.A@mm worm, may cause clamav to crash when it attempts to
process them.
</p>
</description>
<impact type="normal">
<p>
This vulnerability causes a Denial of Service in the clamav process.
Depending on configuration, this may cause dependent services such as
mail to fail as well.
</p>
</impact>
<workaround>
<p>
A workaround is not currently known for this issue. All users are
advised to upgrade to the latest version of the affected package.
</p>
</workaround>
<resolution>
<p>
ClamAV users should upgrade to version 0.68.1 or later:
</p>
<code>
# emerge sync
# emerge -pv &quot;&gt;=app-antivirus/clamav-0.68.1&quot;
# emerge &quot;&gt;=app-antivirus/clamav-0.68.1&quot;</code>
</resolution>
<references>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-1909">CVE-2004-1909</uri>
</references>
<metadata tag="submitter">
klieber
</metadata>
</glsa>