Multiple directory traversal vulnerabilities in SysAid Help Desk before 15.2 allow remote attackers to (1) read arbitrary files via a .. (dot dot) in the fileName parameter to getGfiUpgradeFile or (2) cause a denial of service (CPU and memory consumption) via a .. (dot dot) in the fileName parameter to calculateRdsFileChecksum.
https://www.sysaid.com/blog/entry/sysaid-15-2-your-voice-your-service-desk
http://www.securityfocus.com/bid/75038
http://www.securityfocus.com/archive/1/535679/100/0/threaded