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<?xml version="1.0" encoding="utf-8"?>
<glsa id="200506-16">
<title>cpio: Directory traversal vulnerability</title>
cpio contains a flaw which may allow a specially crafted cpio archive to
extract files to an arbitrary directory.
<product type="ebuild">cpio</product>
<announced>June 20, 2005</announced>
<revised>June 20, 2005: 01</revised>
<package name="app-arch/cpio" auto="yes" arch="*">
<unaffected range="ge">2.6-r3</unaffected>
<vulnerable range="lt">2.6-r3</vulnerable>
cpio is a file archival tool which can also read and write tar
A vulnerability has been found in cpio that can potentially allow
a cpio archive to extract its files to an arbitrary directory of the
creator's choice.
<impact type="normal">
An attacker could create a malicious cpio archive which would
create files in arbitrary locations on the victim's system. This issue
could also be used in conjunction with a previous race condition
vulnerability (CAN-2005-1111) to change permissions on files owned by
the victim.
There is no known workaround at this time.
All cpio users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=app-arch/cpio-2.6-r3&quot;</code>
<uri link="">Original Advisory</uri>
<uri link="">CAN-2005-1111</uri>
<metadata tag="requester" timestamp="Tue, 03 May 2005 21:22:45 +0000">
<metadata tag="submitter" timestamp="Thu, 05 May 2005 15:24:08 +0000">
<metadata tag="bugReady" timestamp="Sun, 19 Jun 2005 20:39:43 +0000">