The get_file_type function in lib/file_content.php in DFLabs PTK 0.1, 0.2, and 1.0 allows remote attackers to execute arbitrary commands via shell metacharacters after an arg1= sequence in a filename within a forensic image.
https://www.exploit-db.com/exploits/7001
https://exchange.xforce.ibmcloud.com/vulnerabilities/46380
http://www.vupen.com/english/advisories/2008/3020
http://www.securityfocus.com/archive/1/498081/100/0/threaded
http://www.ikkisoft.com/stuff/LC-2008-07.txt