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+<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
+<glsa id="200508-07">
+ <title>AWStats: Arbitrary code execution using malicious Referrer information</title>
+ <synopsis>
+ AWStats fails to validate certain log input, which could lead to the
+ execution of arbitrary Perl code during the generation of the statistics.
+ </synopsis>
+ <product type="ebuild">awstats</product>
+ <announced>2005-08-16</announced>
+ <revised count="02">2009-05-28</revised>
+ <bug>102145</bug>
+ <access>remote</access>
+ <affected>
+ <package name="www-misc/awstats" auto="yes" arch="*">
+ <unaffected range="ge">6.5</unaffected>
+ <vulnerable range="lt">6.5</vulnerable>
+ </package>
+ </affected>
+ <background>
+ <p>
+ AWStats is an advanced log file analyzer and statistics generator.
+ In HTTP reports it parses Referrer information in order to display the
+ most common Referrer values that caused users to visit the website.
+ </p>
+ </background>
+ <description>
+ <p>
+ When using a URLPlugin, AWStats fails to sanitize Referrer URL
+ data before using them in a Perl eval() routine.
+ </p>
+ </description>
+ <impact type="high">
+ <p>
+ A remote attacker can include arbitrary Referrer information in a
+ HTTP request to a web server, therefore injecting tainted data in the
+ log files. When AWStats is run on this log file, this can result in the
+ execution of arbitrary Perl code with the rights of the user running
+ AWStats.
+ </p>
+ </impact>
+ <workaround>
+ <p>
+ Disable all URLPlugins in the AWStats configuration.
+ </p>
+ </workaround>
+ <resolution>
+ <p>
+ All AWStats users should upgrade to the latest version:
+ </p>
+ <code>
+ # emerge --sync
+ # emerge --ask --oneshot --verbose "&gt;=www-misc/awstats-6.5"</code>
+ <p>
+ Note: Users with the vhosts USE flag set should manually use
+ webapp-config to finalize the update.
+ </p>
+ </resolution>
+ <references>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-1527">CAN-2005-1527</uri>
+ <uri link="http://www.idefense.com/application/poi/display?id=290&amp;type=vulnerabilities">iDEFENSE Advisory</uri>
+ </references>
+ <metadata tag="submitter" timestamp="2005-08-12T17:33:30Z">
+ koon
+ </metadata>
+ <metadata tag="bugReady" timestamp="2005-08-13T08:56:51Z">
+ koon
+ </metadata>
+</glsa>