<?xml version="1.0" encoding="utf-8"?> <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> <glsa id="200805-17"> <title>Perl: Execution of arbitrary code</title> <synopsis> A double free vulnerability was discovered in Perl, possibly resulting in the execution of arbitrary code and a Denial of Service. </synopsis> <product type="ebuild">perl libperl</product> <announced>2008-05-20</announced> <revised count="01">2008-05-20</revised> <bug>219203</bug> <access>remote</access> <affected> <package name="dev-lang/perl" auto="yes" arch="*"> <unaffected range="ge">5.8.8-r5</unaffected> <vulnerable range="lt">5.8.8-r5</vulnerable> </package> <package name="sys-devel/libperl" auto="yes" arch="*"> <unaffected range="ge">5.8.8-r2</unaffected> <vulnerable range="lt">5.8.8-r2</vulnerable> </package> </affected> <background> <p> Perl is a stable, cross platform programming language. </p> </background> <description> <p> Tavis Ormandy and Will Drewry of the Google Security Team have reported a double free vulnerability when processing a crafted regular expression containing UTF-8 characters. </p> </description> <impact type="normal"> <p> A remote attacker could possibly exploit this vulnerability to execute arbitrary code or cause a Denial of Service. </p> </impact> <workaround> <p> There is no known workaround at this time. </p> </workaround> <resolution> <p> All Perl users should upgrade to the latest version: </p> <code> # emerge --sync # emerge --ask --oneshot --verbose ">=dev-lang/perl-5.8.8-r5"</code> <p> All libperl users should upgrade to the latest version: </p> <code> # emerge --sync # emerge --ask --oneshot --verbose ">=sys-devel/libperl-5.8.8-r2"</code> </resolution> <references> <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1927">CVE-2008-1927</uri> </references> <metadata tag="requester" timestamp="2008-05-17T10:42:17Z"> p-y </metadata> <metadata tag="bugReady" timestamp="2008-05-17T10:42:31Z"> p-y </metadata> <metadata tag="submitter" timestamp="2008-05-17T13:52:28Z"> keytoaster </metadata> </glsa>