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<?xml version="1.0" encoding="UTF-8"?>
<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.
<product type="ebuild">cpio</product>
<announced>November 28, 2013</announced>
<revised>November 28, 2013: 1</revised>
<package name="app-arch/cpio" auto="yes" arch="*">
<unaffected range="ge">2.11</unaffected>
<vulnerable range="lt">2.11</vulnerable>
<p>GNU cpio copies files into or out of a cpio or tar archive.</p>
<p>Cpio contains a heap-based buffer overflow in the rmt_read__ function in
<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>There is no known workaround at this time.</p>
<p>All cpio users should upgrade to the latest version:</p>
# emerge --sync
# emerge --ask --oneshot --verbose "&gt;=app-arch/cpio-2.11"
<uri link="">
<metadata tag="requester" timestamp="Fri, 07 Oct 2011 23:37:31 +0000">
<metadata tag="submitter" timestamp="Thu, 28 Nov 2013 08:19:10 +0000">Zlogene</metadata>