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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200601-14">
<title>LibAST: Privilege escalation</title>
<synopsis>
A buffer overflow in LibAST may result in execution of arbitrary code with
escalated privileges.
</synopsis>
<product type="ebuild">LibAST</product>
<announced>2006-01-29</announced>
<revised count="02">2006-01-29</revised>
<bug>120106</bug>
<access>local</access>
<affected>
<package name="x11-libs/libast" auto="yes" arch="*">
<unaffected range="ge">0.7</unaffected>
<vulnerable range="lt">0.7</vulnerable>
</package>
</affected>
<background>
<p>
LibAST is a utility library that was originally intended to accompany
Eterm, but may be used by various other applications.
</p>
</background>
<description>
<p>
Michael Jennings discovered an exploitable buffer overflow in the
configuration engine of LibAST.
</p>
</description>
<impact type="high">
<p>
The vulnerability can be exploited to gain escalated privileges if the
application using LibAST is setuid/setgid and passes a specifically
crafted filename to LibAST's configuration engine.
</p>
</impact>
<workaround>
<p>
Identify all applications linking against LibAST and verify they are
not setuid/setgid.
</p>
</workaround>
<resolution>
<p>
All users should upgrade to the latest version and run revdep-rebuild:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose "&gt;=x11-libs/libast-0.7"
# revdep-rebuild</code>
</resolution>
<references>
<uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-0224">CVE-2006-0224</uri>
</references>
<metadata tag="requester" timestamp="2006-01-25T21:44:39Z">
DerCorny
</metadata>
<metadata tag="submitter" timestamp="2006-01-26T09:35:14Z">
frilled
</metadata>
<metadata tag="bugReady" timestamp="2006-01-27T21:23:22Z">
adir
</metadata>
</glsa>