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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200605-03">
<title>ClamAV: Buffer overflow in Freshclam</title>
<synopsis>
Freshclam is vulnerable to a buffer overflow that could lead to execution
of arbitrary code.
</synopsis>
<product type="ebuild">clamav</product>
<announced>May 02, 2006</announced>
<revised>May 02, 2006: 01</revised>
<bug>131791</bug>
<access>remote</access>
<affected>
<package name="app-antivirus/clamav" auto="yes" arch="*">
<unaffected range="ge">0.88.2</unaffected>
<vulnerable range="lt">0.88.2</vulnerable>
</package>
</affected>
<background>
<p>
ClamAV is a GPL virus scanner. Freshclam is a utility to download
virus signature updates.
</p>
</background>
<description>
<p>
Ulf Harnhammar and an anonymous German researcher discovered that
Freshclam fails to check the size of the header data returned by a
webserver.
</p>
</description>
<impact type="normal">
<p>
By enticing a user to connect to a malicious webserver an attacker
could cause the execution of arbitrary code.
</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-0.88.2&quot;</code>
</resolution>
<references>
<uri link="http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-1989">CVE-2006-1989</uri>
</references>
<metadata tag="submitter" timestamp="Tue, 02 May 2006 04:03:38 +0000">
jaervosz
</metadata>
<metadata tag="bugReady" timestamp="Tue, 02 May 2006 04:54:25 +0000">
jaervosz
</metadata>
</glsa>