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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200501-46">
<title>ClamAV: Multiple issues</title>
<synopsis>
ClamAV contains two vulnerabilities that could lead to Denial of Service
and evasion of virus scanning.
</synopsis>
<product type="ebuild">clamav</product>
<announced>January 31, 2005</announced>
<revised>May 22, 2006: 02</revised>
<bug>78656</bug>
<bug>79194</bug>
<access>remote</access>
<affected>
<package name="app-antivirus/clamav" auto="yes" arch="*">
<unaffected range="ge">0.81</unaffected>
<vulnerable range="le">0.80</vulnerable>
</package>
</affected>
<background>
<p>
ClamAV is an antivirus toolkit. It includes a multi-threaded daemon and
a command line scanner.
</p>
</background>
<description>
<p>
ClamAV fails to properly scan ZIP files with special headers
(CAN-2005-0133) and base64 encoded images in URLs.
</p>
</description>
<impact type="normal">
<p>
By sending a base64 encoded image file in a URL an attacker could evade
virus scanning. By sending a specially-crafted ZIP file an attacker
could cause a Denial of Service by crashing the clamd daemon.
</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-0.81&quot;</code>
</resolution>
<references>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0133">CAN-2005-0133</uri>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-0218">CVE-2005-0218</uri>
<uri link="http://sourceforge.net/forum/forum.php?forum_id=440649">ClamAV Release Announcement</uri>
<uri link="http://secunia.com/advisories/13900/">Secunia SA13900</uri>
</references>
<metadata tag="requester" timestamp="Thu, 27 Jan 2005 15:17:33 +0000">
koon
</metadata>
<metadata tag="submitter" timestamp="Thu, 27 Jan 2005 21:31:06 +0000">
jaervosz
</metadata>
<metadata tag="bugReady" timestamp="Mon, 31 Jan 2005 09:07:27 +0000">
koon
</metadata>
</glsa>