<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> <glsa id="201309-07"> <title>libotr: Arbitrary code execution</title> <synopsis>A buffer overflow vulnerability in libotr could allow a remote attacker to execute arbitrary code or cause a Denial of Service condition. </synopsis> <product type="ebuild">libotr</product> <announced>2013-09-15</announced> <revised count="1">2013-09-15</revised> <bug>430486</bug> <access>remote</access> <affected> <package name="net-libs/libotr" auto="yes" arch="*"> <unaffected range="ge">3.2.1</unaffected> <vulnerable range="lt">3.2.1</vulnerable> </package> </affected> <background> <p>libotr is a portable off-the-record messaging library.</p> </background> <description> <p>Multiple heap-based buffer overflows are present in the Base64 decoder of libotr. </p> </description> <impact type="high"> <p>A remote attacker could send a specially crafted OTR message, resulting in arbitrary code execution with the privileges of the process or a Denial of Service condition. </p> </impact> <workaround> <p>There is no known workaround at this time.</p> </workaround> <resolution> <p>All libotr users should upgrade to the latest version:</p> <code> # emerge --sync # emerge --ask --oneshot --verbose ">=net-libs/libotr-3.2.1" </code> </resolution> <references> <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-3461">CVE-2012-3461</uri> </references> <metadata tag="requester" timestamp="2013-09-11T14:50:36Z"> creffett </metadata> <metadata tag="submitter" timestamp="2013-09-15T04:34:43Z"> creffett </metadata> </glsa>