Directory traversal vulnerability in download.php in Ahmet Sacan Pickle before 20070301 allows remote attackers to read arbitrary files via a .. (dot dot) in the file parameter.
https://exchange.xforce.ibmcloud.com/vulnerabilities/32712
http://www.vupen.com/english/advisories/2007/0748
http://www.securityfocus.com/archive/1/461145/100/0/threaded
http://user.ceng.metu.edu.tr/~ahmet/Wiki/Software/pickle/pickle
http://securityreason.com/securityalert/2293