<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> <glsa id="201701-40"> <title>xdelta: User-assisted execution of arbitrary code</title> <synopsis>A buffer overflow in xdelta might allow remote attackers to execute arbitrary code. </synopsis> <product type="ebuild">xdelta</product> <announced>2017-01-17</announced> <revised count="01">2017-01-17</revised> <bug>574408</bug> <access>remote</access> <affected> <package name="dev-util/xdelta" auto="yes" arch="*"> <unaffected range="ge">3.0.10</unaffected> <vulnerable range="lt">3.0.10</vulnerable> </package> </affected> <background> <p>Xdelta is a C library and command-line tool for delta compression using VCDIFF/RFC 3284 streams. </p> </background> <description> <p>A buffer overflow can be triggered within xdelta when ran against a malicious input file. </p> </description> <impact type="normal"> <p>A remote attacker could coerce the victim to run xdelta against a malicious input file. This may be leveraged by an attacker to crash xdelta and gain control of program execution. </p> </impact> <workaround> <p>There is no known workaround at this time.</p> </workaround> <resolution> <p>All xdelta users should upgrade to the latest version:</p> <code> # emerge --sync # emerge --ask --oneshot --verbose ">=dev-util/xdelta-3.0.10" </code> </resolution> <references> <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-9765"> CVE-2014-9765 </uri> </references> <metadata tag="requester" timestamp="2016-11-25T00:33:49Z">whissi</metadata> <metadata tag="submitter" timestamp="2017-01-17T03:41:05Z">b-man</metadata> </glsa>