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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200612-10">
<title>Tar: Directory traversal vulnerability</title>
<synopsis>
Tar is vulnerable to directory traversal possibly allowing for the
overwriting of arbitrary files.
</synopsis>
<product type="ebuild">tar</product>
<announced>2006-12-11</announced>
<revised count="01">2006-12-11</revised>
<bug>155901</bug>
<access>remote</access>
<affected>
<package name="app-arch/tar" auto="yes" arch="*">
<unaffected range="ge">1.16-r2</unaffected>
<vulnerable range="lt">1.16-r2</vulnerable>
</package>
</affected>
<background>
<p>
The Tar program provides the ability to create and manipulate tar
archives.
</p>
</background>
<description>
<p>
Tar does not properly extract archive elements using the GNUTYPE_NAMES
record name, allowing files to be created at arbitrary locations using
symlinks. Once a symlink is extracted, files after the symlink in the
archive will be extracted to the destination of the symlink.
</p>
</description>
<impact type="normal">
<p>
An attacker could entice a user to extract a specially crafted tar
archive, possibly allowing for the overwriting of arbitrary files on
the system extracting the archive.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All Tar users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose "&gt;=app-arch/tar-1.16-r2"</code>
</resolution>
<references>
<uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-6097">CVE-2006-6097</uri>
</references>
<metadata tag="requester" timestamp="2006-12-07T10:14:08Z">
vorlon
</metadata>
<metadata tag="bugReady" timestamp="2006-12-10T20:35:35Z">
vorlon
</metadata>
<metadata tag="submitter" timestamp="2006-12-11T17:59:09Z">
shellsage
</metadata>
</glsa>