<?xml version="1.0" encoding="utf-8"?> <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> <glsa id="200705-04"> <title>Apache mod_perl: Denial of Service</title> <synopsis> The mod_perl Apache module is vulnerable to a Denial of Service when processing regular expressions. </synopsis> <product type="ebuild">mod_perl</product> <announced>2007-05-02</announced> <revised count="02">2007-05-02</revised> <bug>172676</bug> <access>remote</access> <affected> <package name="www-apache/mod_perl" auto="yes" arch="*"> <unaffected range="ge">2.0.3-r1</unaffected> <unaffected range="rge">1.30</unaffected> <vulnerable range="lt">2.0.3-r1</vulnerable> </package> </affected> <background> <p> Mod_perl is an Apache module that embeds the Perl interpreter within the server, allowing Perl-based web-applications to be created. </p> </background> <description> <p> Alex Solvey discovered that the "path_info" variable used in file RegistryCooker.pm (mod_perl 2.x) or file PerlRun.pm (mod_perl 1.x), is not properly escaped before being processed. </p> </description> <impact type="normal"> <p> A remote attacker could send a specially crafted URL to the vulnerable server, possibly resulting in a massive resource consumption. </p> </impact> <workaround> <p> There is no known workaround at this time. </p> </workaround> <resolution> <p> All mod_perl 1.x users should upgrade to the latest version: </p> <code> # emerge --sync # emerge --ask --oneshot --verbose ">=www-apache/mod_perl-1.30"</code> <p> All mod_perl 2.x users should upgrade to the latest version: </p> <code> # emerge --sync # emerge --ask --oneshot --verbose ">=www-apache/mod_perl-2.0.3-r1"</code> </resolution> <references> <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1349">CVE-2007-1349</uri> </references> <metadata tag="requester" timestamp="2007-04-23T19:53:36Z"> falco </metadata> <metadata tag="bugReady" timestamp="2007-04-24T15:28:21Z"> vorlon </metadata> <metadata tag="submitter" timestamp="2007-04-25T21:05:17Z"> p-y </metadata> </glsa>