Directory traversal vulnerability in the "remember me" feature in liveuser.php in PHP Extension and Application Repository (PEAR) LiveUser 0.16.8 and earlier allows remote attackers to determine file existence, and possibly delete arbitrary files with short pathnames or possibly read arbitrary files, via a .. (dot dot) in the store_id value of a cookie.
https://exchange.xforce.ibmcloud.com/vulnerabilities/24853
https://exchange.xforce.ibmcloud.com/vulnerabilities/24852
http://www.vupen.com/english/advisories/2006/0697
http://www.securityfocus.com/bid/16761
http://www.securityfocus.com/archive/1/425711/100/0/threaded
http://www.gulftech.org/?node=research&article_id=00103-02212006
http://securitytracker.com/id?1015659