<?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>2005-02-18</announced> <revised count="01">2005-02-18</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 ">=net-proxy/squid-2.5.8"</code> </resolution> <references> <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0446">CAN-2005-0446</uri> </references> <metadata tag="requester" timestamp="2005-02-17T20:33:19Z"> vorlon078 </metadata> <metadata tag="submitter" timestamp="2005-02-17T21:28:52Z"> jaervosz </metadata> <metadata tag="bugReady" timestamp="2005-02-18T09:26:51Z"> koon </metadata> </glsa>