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<?xml version="1.0" encoding="utf-8"?>
<glsa id="200801-01">
<title>unp: Arbitrary command execution</title>
unp allows execution of arbitrary code via malicious file names.
<product type="ebuild">remote</product>
<announced>January 09, 2008</announced>
<revised>January 09, 2008: 01</revised>
<package name="app-arch/unp" auto="yes" arch="*">
<unaffected range="ge">1.0.14</unaffected>
<vulnerable range="lt">1.0.14</vulnerable>
unp is a script for unpacking various file formats.
Erich Schubert from Debian discovered that unp does not escape file
names properly before passing them to calls of the shell.
<impact type="normal">
A remote attacker could entice a user or automated system to unpack a
compressed archive with a specially crafted file name, leading to the
execution of shell commands from within the filename. That code will be
executed with the privileges of the user running unp.
There is no known workaround at this time.
All unp users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=app-arch/unp-1.0.14&quot;</code>
<uri link="">CVE-2007-6610</uri>
<metadata tag="requester" timestamp="Fri, 28 Dec 2007 00:23:45 +0000">
<metadata tag="submitter" timestamp="Fri, 28 Dec 2007 11:27:28 +0000">
<metadata tag="bugReady" timestamp="Fri, 28 Dec 2007 22:57:04 +0000">