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+<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
+
+<glsa id="200405-12">
+ <title>CVS heap overflow vulnerability</title>
+ <synopsis>
+ CVS is subject to a heap overflow vulnerability allowing source repository
+ compromise.
+ </synopsis>
+ <product type="ebuild">cvs</product>
+ <announced>May 20, 2004</announced>
+ <revised>May 20, 2004: 01</revised>
+ <bug>51460</bug>
+ <access>remote </access>
+ <affected>
+ <package name="dev-util/cvs" auto="yes" arch="*">
+ <unaffected range="ge">1.11.16</unaffected>
+ <vulnerable range="le">1.11.15</vulnerable>
+ </package>
+ </affected>
+ <background>
+ <p>
+ CVS (Concurrent Versions System) is an open-source network-transparent
+ version control system. It contains both a client utility and a server.
+ </p>
+ </background>
+ <description>
+ <p>
+ Stefan Esser discovered a heap overflow in the CVS server, which can be
+ triggered by sending malicious "Entry" lines and manipulating the flags
+ related to that Entry. This vulnerability was proven to be exploitable.
+ </p>
+ </description>
+ <impact type="high">
+ <p>
+ A remote attacker can execute arbitrary code on the CVS server, with the
+ rights of the CVS server. By default, Gentoo uses the "cvs" user to run the
+ CVS server. In particular, this flaw allows a complete compromise of CVS
+ source repositories. If you're not running a server, then you are not
+ vulnerable.
+ </p>
+ </impact>
+ <workaround>
+ <p>
+ There is no known workaround at this time. All users are advised to upgrade
+ to the latest available version of CVS.
+ </p>
+ </workaround>
+ <resolution>
+ <p>
+ All users running a CVS server should upgrade to the latest stable version:
+ </p>
+ <code>
+ # emerge sync
+
+ # emerge -pv ">=dev-util/cvs-1.11.16"
+ # emerge ">=dev-util/cvs-1.11.16"</code>
+ </resolution>
+ <references>
+ <uri link="http://security.e-matters.de/advisories/072004.html">E-matters advisory 07/2004</uri>
+ <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0396">CAN-2004-0396</uri>
+ </references>
+ <metadata tag="submitter">
+ koon
+ </metadata>
+</glsa>