admin_messages.php in the management console on Symantec Web Gateway (SWG) appliances with software before 5.2.2 DB 5.0.0.1277 allows remote authenticated users to execute arbitrary code by uploading a file with a safe extension and content type, and then leveraging an improper Sudo configuration to make this a setuid-root file.
http://www.zerodayinitiative.com/advisories/ZDI-15-443/