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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200502-25">
<title>Squid: Denial of Service through DNS responses</title>
<synopsis>
Squid contains a bug in the handling of certain DNS responses resulting in
a Denial of Service.
</synopsis>
<product type="ebuild">Squid</product>
<announced>February 18, 2005</announced>
<revised>February 18, 2005: 01</revised>
<bug>81997</bug>
<access>remote</access>
<affected>
<package name="net-proxy/squid" auto="yes" arch="*">
<unaffected range="ge">2.5.8</unaffected>
<vulnerable range="lt">2.5.8</vulnerable>
</package>
</affected>
<background>
<p>
Squid is a full-featured Web proxy cache designed to run on
Unix-like systems. It supports proxying and caching of HTTP, FTP, and
other protocols, as well as SSL support, cache hierarchies, transparent
caching, access control lists and many other features.
</p>
</background>
<description>
<p>
Handling of certain DNS responses trigger assertion failures.
</p>
</description>
<impact type="normal">
<p>
By returning a specially crafted DNS response an attacker could
cause Squid to crash by triggering an assertion failure.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All Squid users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=net-proxy/squid-2.5.8&quot;</code>
</resolution>
<references>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0446">CAN-2005-0446</uri>
</references>
<metadata tag="requester" timestamp="Thu, 17 Feb 2005 20:33:19 +0000">
vorlon078
</metadata>
<metadata tag="submitter" timestamp="Thu, 17 Feb 2005 21:28:52 +0000">
jaervosz
</metadata>
<metadata tag="bugReady" timestamp="Fri, 18 Feb 2005 09:26:51 +0000">
koon
</metadata>
</glsa>