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gentoo-overlay/metadata/glsa/glsa-200804-06.xml

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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200804-06">
<title>UnZip: User-assisted execution of arbitrary code</title>
<synopsis>
A double free vulnerability discovered in UnZip might lead to the execution
of arbitrary code.
</synopsis>
<product type="ebuild">unzip</product>
<announced>2008-04-06</announced>
<revised count="01">2008-04-06</revised>
<bug>213761</bug>
<access>remote</access>
<affected>
<package name="app-arch/unzip" auto="yes" arch="*">
<unaffected range="ge">5.52-r2</unaffected>
<vulnerable range="lt">5.52-r2</vulnerable>
</package>
</affected>
<background>
<p>
Info-ZIP's UnZip is a tool to list and extract files inside PKZIP
compressed files.
</p>
</background>
<description>
<p>
Tavis Ormandy of the Google Security Team discovered that the NEEDBITS
macro in the inflate_dynamic() function in the file inflate.c can be
invoked using invalid buffers, which can lead to a double free.
</p>
</description>
<impact type="normal">
<p>
Remote attackers could entice a user or automated system to open a
specially crafted ZIP file that might lead to 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 UnZip users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose "&gt;=app-arch/unzip-5.52-r2"</code>
</resolution>
<references>
<uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-0888">CVE-2008-0888</uri>
</references>
<metadata tag="requester" timestamp="2008-03-29T19:46:56Z">
rbu
</metadata>
<metadata tag="submitter" timestamp="2008-04-03T22:38:54Z">
rbu
</metadata>
<metadata tag="bugReady" timestamp="2008-04-03T22:39:11Z">
rbu
</metadata>
</glsa>