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+<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
+<glsa id="200510-22">
+ <title>SELinux PAM: Local password guessing attack</title>
+ <synopsis>
+ A vulnerability in the SELinux version of PAM allows a local attacker to
+ brute-force system passwords.
+ </synopsis>
+ <product type="ebuild">PAM</product>
+ <announced>2005-10-28</announced>
+ <revised count="01">2005-10-28</revised>
+ <bug>109485</bug>
+ <access>local</access>
+ <affected>
+ <package name="sys-libs/pam" auto="yes" arch="*">
+ <unaffected range="ge">0.78-r3</unaffected>
+ <vulnerable range="lt">0.78-r3</vulnerable>
+ </package>
+ </affected>
+ <background>
+ <p>
+ PAM (Pluggable Authentication Modules) is an architecture allowing
+ the separation of the development of privilege granting software from
+ the development of secure and appropriate authentication schemes.
+ SELinux is an operating system based on Linux which includes Mandatory
+ Access Control.
+ </p>
+ </background>
+ <description>
+ <p>
+ The SELinux patches for PAM introduce a vulnerability allowing a
+ password to be checked with the unix_chkpwd utility without delay or
+ logging. This vulnerability doesn't affect users who do not run
+ SELinux.
+ </p>
+ </description>
+ <impact type="normal">
+ <p>
+ A local attacker could exploit this vulnerability to brute-force
+ passwords and escalate privileges on an SELinux system.
+ </p>
+ </impact>
+ <workaround>
+ <p>
+ There is no known workaround at this time.
+ </p>
+ </workaround>
+ <resolution>
+ <p>
+ All SELinux PAM users should upgrade to the latest version:
+ </p>
+ <code>
+ # emerge --sync
+ # emerge --ask --oneshot --verbose "&gt;=sys-libs/pam-0.78-r3"</code>
+ </resolution>
+ <references>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-2977">CVE-2005-2977</uri>
+ </references>
+ <metadata tag="requester" timestamp="2005-10-26T15:44:45Z">
+ jaervosz
+ </metadata>
+ <metadata tag="bugReady" timestamp="2005-10-27T07:49:03Z">
+ koon
+ </metadata>
+ <metadata tag="submitter" timestamp="2005-10-27T12:12:27Z">
+ koon
+ </metadata>
+</glsa>