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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200608-13">
<title>ClamAV: Heap buffer overflow</title>
<synopsis>
ClamAV is vulnerable to a heap-based buffer overflow resulting in a Denial
of Service and potentially remote execution of arbitrary code.
</synopsis>
<product type="ebuild">clamav</product>
<announced>August 08, 2006</announced>
<revised>August 08, 2006: 02</revised>
<bug>143093</bug>
<access>remote</access>
<affected>
<package name="app-antivirus/clamav" auto="yes" arch="*">
<unaffected range="ge">0.88.4</unaffected>
<vulnerable range="lt">0.88.4</vulnerable>
</package>
</affected>
<background>
<p>
ClamAV is a GPL virus scanner.
</p>
</background>
<description>
<p>
Damian Put has discovered a boundary error in the pefromupx() function
used by the UPX extraction module, which unpacks PE Windows executable
files. Both the "clamscan" command-line utility and the "clamd" daemon
are affected.
</p>
</description>
<impact type="high">
<p>
By sending a malicious attachment to a mail server running ClamAV, a
remote attacker can cause a Denial of Service and potentially the
execution of arbitrary code with the permissions of the user running
ClamAV.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All ClamAV users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=app-antivirus/clamav-0.88.4&quot;</code>
</resolution>
<references>
<uri link="http://www.clamav.net/security/0.88.4.html">ClamAV security advisory</uri>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4018">CVE-2006-4018</uri>
</references>
<metadata tag="submitter" timestamp="Tue, 08 Aug 2006 07:45:00 +0000">
falco
</metadata>
<metadata tag="bugReady" timestamp="Tue, 08 Aug 2006 09:57:22 +0000">
vorlon078
</metadata>
</glsa>