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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200702-04">
<title>RAR, UnRAR: Buffer overflow</title>
<synopsis>
RAR and UnRAR contain a buffer overflow allowing the execution of arbitrary
code.
</synopsis>
<product type="ebuild">rar, unrar</product>
<announced>February 13, 2007</announced>
<revised>February 14, 2007: 02</revised>
<bug>166440</bug>
<access>remote</access>
<affected>
<package name="app-arch/rar" auto="yes" arch="*">
<unaffected range="ge">3.7.0_beta1</unaffected>
<vulnerable range="lt">3.7.0_beta1</vulnerable>
</package>
<package name="app-arch/unrar" auto="yes" arch="*">
<unaffected range="ge">3.7.3</unaffected>
<vulnerable range="lt">3.7.3</vulnerable>
</package>
</affected>
<background>
<p>
RAR and UnRAR provide command line interfaces for compressing and
decompressing RAR files.
</p>
</background>
<description>
<p>
RAR and UnRAR contain a boundary error when processing
password-protected archives that could result in a stack-based buffer
overflow.
</p>
</description>
<impact type="normal">
<p>
A remote attacker could entice a user to process a specially crafted
password-protected archive and execute arbitrary code with the rights
of the user uncompressing the archive.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All UnRAR users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=app-arch/unrar-3.7.3&quot;</code>
<p>
All RAR users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=app-arch/rar-3.7.0_beta1&quot;</code>
</resolution>
<references>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-0855">CVE-2007-0855</uri>
</references>
<metadata tag="requester" timestamp="Mon, 12 Feb 2007 15:25:34 +0000">
falco
</metadata>
<metadata tag="submitter" timestamp="Mon, 12 Feb 2007 23:14:14 +0000">
falco
</metadata>
<metadata tag="bugReady" timestamp="Tue, 13 Feb 2007 23:24:39 +0000">
falco
</metadata>
</glsa>