<?xml version="1.0" encoding="utf-8"?> <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> <glsa id="200903-11"> <title>PyCrypto: Execution of arbitrary code</title> <synopsis> A buffer overflow in PyCrypto might lead to the execution of arbitrary code when decrypting using ARC2. </synopsis> <product type="ebuild">pycrypto</product> <announced>March 09, 2009</announced> <revised>March 09, 2009: 01</revised> <bug>258049</bug> <access>remote</access> <affected> <package name="dev-python/pycrypto" auto="yes" arch="*"> <unaffected range="ge">2.0.1-r8</unaffected> <vulnerable range="lt">2.0.1-r8</vulnerable> </package> </affected> <background> <p> PyCrypto is the Python Cryptography Toolkit. </p> </background> <description> <p> Mike Wiacek of the Google Security Team reported a buffer overflow in the ARC2 module when processing a large ARC2 key length. </p> </description> <impact type="normal"> <p> A remote attacker could entice a user or automated system to decrypt an ARC2 stream in an application using PyCrypto, possibly resulting in the execution of arbitrary code or a Denial of Service. </p> </impact> <workaround> <p> There is no known workaround at this time. </p> </workaround> <resolution> <p> All PyCrypto users should upgrade to the latest version: </p> <code> # emerge --sync # emerge --ask --oneshot --verbose ">=dev-python/pycrypto-2.0.1-r8"</code> </resolution> <references> <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0544">CVE-2009-0544</uri> </references> <metadata tag="requester" timestamp="Sat, 07 Mar 2009 16:35:09 +0000"> rbu </metadata> <metadata tag="submitter" timestamp="Sat, 07 Mar 2009 18:22:46 +0000"> rbu </metadata> <metadata tag="bugReady" timestamp="Sat, 07 Mar 2009 18:24:44 +0000"> rbu </metadata> </glsa>