<?xml version="1.0" encoding="utf-8"?> <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> <glsa id="200808-06"> <title>libxslt: Execution of arbitrary code</title> <synopsis> libxslt is affected by a heap-based buffer overflow, possibly leading to the execution of arbitrary code. </synopsis> <product type="ebuild">libxslt</product> <announced>August 06, 2008</announced> <revised>August 06, 2008: 01</revised> <bug>232172</bug> <access>remote</access> <affected> <package name="dev-libs/libxslt" auto="yes" arch="*"> <unaffected range="ge">1.1.24-r1</unaffected> <unaffected range="lt">1.1.8</unaffected> <vulnerable range="lt">1.1.24-r1</vulnerable> </package> </affected> <background> <p> libxslt is the XSLT C library developed for the GNOME project. XSLT is an XML language to define transformations for XML. </p> </background> <description> <p> Chris Evans (Google Security) reported that the libexslt library that is part of libxslt is affected by a heap-based buffer overflow in the RC4 encryption/decryption functions. </p> </description> <impact type="normal"> <p> A remote attacker could entice a user to process an XML file using a specially crafted XSLT stylesheet in an application linked against libxslt, possibly leading to the execution of arbitrary code with the privileges of the user running the application. </p> </impact> <workaround> <p> There is no known workaround at this time. </p> </workaround> <resolution> <p> All libxslt users should upgrade to the latest version: </p> <code> # emerge --sync # emerge --ask --oneshot --verbose ">=dev-libs/libxslt-1.1.24-r1"</code> </resolution> <references> <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2935">CVE-2008-2935</uri> </references> <metadata tag="requester" timestamp="Thu, 31 Jul 2008 23:42:58 +0000"> rbu </metadata> <metadata tag="submitter" timestamp="Fri, 01 Aug 2008 23:18:29 +0000"> keytoaster </metadata> <metadata tag="bugReady" timestamp="Fri, 01 Aug 2008 23:18:48 +0000"> keytoaster </metadata> </glsa>