<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> <glsa id="200502-32"> <title>UnAce: Buffer overflow and directory traversal vulnerabilities</title> <synopsis>UnAce is vulnerable to several buffer overflow and directory traversal attacks. </synopsis> <product type="ebuild">unace</product> <announced>2005-02-28</announced> <revised count="2">2014-05-19</revised> <bug>81958</bug> <access>remote</access> <affected> <package name="app-arch/unace" auto="yes" arch="*"> <unaffected range="ge">2.5-r3</unaffected> <vulnerable range="le">2.5-r3</vulnerable> </package> </affected> <background> <p>UnAce is an utility to extract, view and test the contents of an ACE archive. </p> </background> <description> <p>Ulf Harnhammar discovered that UnAce suffers from buffer overflows when testing, unpacking or listing specially crafted ACE archives (CAN-2005-0160). He also found out that UnAce is vulnerable to directory traversal attacks, if an archive contains “./..” sequences or absolute filenames (CAN-2005-0161). </p> </description> <impact type="normal"> <p>An attacker could exploit the buffer overflows to execute malicious code or the directory traversals to overwrite arbitrary files. </p> </impact> <workaround> <p>There is no known workaround at this time.</p> </workaround> <resolution> <p>All UnAce users should upgrade to the latest available version:</p> <code> # emerge --sync # emerge --ask --oneshot --verbose ">=app-arch/unace-2.5-r3" </code> </resolution> <references> <uri link="https://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0160"> CAN-2005-0160 </uri> <uri link="https://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0161"> CAN-2005-0161 </uri> </references> <metadata tag="requester" timestamp="2011-10-07T22:18:40Z">system</metadata> <metadata tag="submitter" timestamp="2014-05-19T00:38:42Z">system</metadata> <metadata tag="bugReady" timestamp="2014-05-19T00:38:44Z">system</metadata> </glsa>