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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200710-23">
<title>Star: Directory traversal vulnerability</title>
<synopsis>
A directory traversal vulnerability has been discovered in Star.
</synopsis>
<product type="ebuild">star</product>
<announced>2007-10-22</announced>
<revised count="01">2007-10-22</revised>
<bug>189690</bug>
<access>remote</access>
<affected>
<package name="app-arch/star" auto="yes" arch="*">
<unaffected range="ge">1.5_alpha84</unaffected>
<vulnerable range="lt">1.5_alpha84</vulnerable>
</package>
</affected>
<background>
<p>
The Star program provides the ability to create and extract tar
archives.
</p>
</background>
<description>
<p>
Robert Buchholz of the Gentoo Security team discovered a directory
traversal vulnerability in the has_dotdot() function which does not
identify //.. (slash slash dot dot) sequences in file names inside tar
files.
</p>
</description>
<impact type="low">
<p>
By enticing a user to extract a specially crafted tar archive, a remote
attacker could extract files to arbitrary locations outside of the
specified directory with the permissions of the user running Star.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All Star users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose "&gt;=app-arch/star-1.5_alpha84"</code>
</resolution>
<references>
<uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4134">CVE-2007-4134</uri>
</references>
<metadata tag="requester" timestamp="2007-10-11T21:17:08Z">
aetius
</metadata>
<metadata tag="submitter" timestamp="2007-10-15T01:04:21Z">
rbu
</metadata>
<metadata tag="bugReady" timestamp="2007-10-15T17:56:09Z">
rbu
</metadata>
</glsa>