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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201311-21">
<title>cpio: Arbitrary code execution </title>
<synopsis>A heap-based buffer overflow in cpio might allow a remote rmt
server to execute arbitrary code or cause a Denial of Service condition.
</synopsis>
<product type="ebuild">cpio</product>
<announced>November 28, 2013</announced>
<revised>November 28, 2013: 1</revised>
<bug>314663</bug>
<access>remote</access>
<affected>
<package name="app-arch/cpio" auto="yes" arch="*">
<unaffected range="ge">2.11</unaffected>
<vulnerable range="lt">2.11</vulnerable>
</package>
</affected>
<background>
<p>GNU cpio copies files into or out of a cpio or tar archive.</p>
</background>
<description>
<p>Cpio contains a heap-based buffer overflow in the rmt_read__ function in
lib/rtapelib.c.
</p>
</description>
<impact type="normal">
<p>A remote server could sending more data than was requested, related to
archive filenames that contain a : (colon) character, possibly resulting
in execution of arbitrary code or a Denial of Service condition.
</p>
</impact>
<workaround>
<p>There is no known workaround at this time.</p>
</workaround>
<resolution>
<p>All cpio users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose "&gt;=app-arch/cpio-2.11"
</code>
</resolution>
<references>
<uri link="http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2010-0624">
CVE-2010-0624
</uri>
</references>
<metadata tag="requester" timestamp="Fri, 07 Oct 2011 23:37:31 +0000">
underling
</metadata>
<metadata tag="submitter" timestamp="Thu, 28 Nov 2013 08:19:10 +0000">Zlogene</metadata>
</glsa>