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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
+<glsa id="200311-04">
+ <title>FreeRADIUS: heap exploit and NULL pointer dereference vulnerability</title>
+ <synopsis>
+ FreeRADIUS is vulnerable to a heap exploit and a NULL pointer dereference
+ vulnerability.
+ </synopsis>
+ <product type="ebuild">FreeRADIUS</product>
+ <announced>2003-11-23</announced>
+ <revised count="01">2003-11-23</revised>
+ <bug>33989</bug>
+ <access>remote</access>
+ <affected>
+ <package name="net-dialup/freeradius" auto="yes" arch="*">
+ <unaffected range="ge">0.9.3</unaffected>
+ <vulnerable range="le">0.9.2</vulnerable>
+ </package>
+ </affected>
+ <background>
+ <p>
+ FreeRADIUS is a popular open source RADIUS server.
+ </p>
+ </background>
+ <description>
+ <p>
+ FreeRADIUS versions below 0.9.3 are vulnerable to a heap exploit, however,
+ the attack code must be in the form of a valid RADIUS packet which limits
+ the possible exploits.
+ </p>
+ <p>
+ Also corrected in the 0.9.3 release is another vulnerability which causes
+ the RADIUS server to de-reference a NULL pointer and crash when an
+ Access-Request packet with a Tunnel-Password is received.
+ </p>
+ </description>
+ <impact type="normal">
+ <p>
+ A remote attacker could craft a RADIUS packet which would cause the RADIUS
+ server to crash, or could possibly overflow the heap resulting in a system
+ compromise.
+ </p>
+ </impact>
+ <workaround>
+ <p>
+ There is no known workaround at this time.
+ </p>
+ </workaround>
+ <resolution>
+ <p>
+ Users are encouraged to perform an 'emerge sync' and upgrade the package to
+ the latest available version - 0.9.3 is available in portage and is marked
+ as stable.
+ </p>
+ <code>
+ # emerge sync
+ # emerge -pv '&gt;=net-dialup/freeradius-0.9.3'
+ # emerge '&gt;=net-dialup/freeradius-0.9.3'
+ # emerge clean</code>
+ </resolution>
+ <references>
+ <uri link="http://www.securitytracker.com/alerts/2003/Nov/1008263.html">SecurityTracker.com Security Alert</uri>
+ </references>
+</glsa>