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<?xml version="1.0" encoding="UTF-8"?>
<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.
<product type="ebuild">unace</product>
<announced>February 28, 2005</announced>
<revised>May 19, 2014: 2</revised>
<package name="app-arch/unace" auto="yes" arch="*">
<unaffected range="ge">2.5-r3</unaffected>
<vulnerable range="le">2.5-r3</vulnerable>
<p>UnAce is an utility to extract, view and test the contents of an ACE
<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).
<impact type="normal">
<p>An attacker could exploit the buffer overflows to execute malicious code
or the directory traversals to overwrite arbitrary files.
<p>There is no known workaround at this time.</p>
<p>All UnAce users should upgrade to the latest available version:</p>
# emerge --sync
# emerge --ask --oneshot --verbose "&gt;=app-arch/unace-2.5-r3"
<uri link="">
<uri link="">
<metadata tag="requester" timestamp="Fri, 07 Oct 2011 22:18:40 +0000">system</metadata>
<metadata tag="submitter" timestamp="Mon, 19 May 2014 00:38:42 +0000">system</metadata>
<metadata tag="bugReady" timestamp="Mon, 19 May 2014 02:38:44 +0200">system</metadata>