The network diagnostics tool (CommandLineServlet) in the Appliance Manager command line utility (CLU) in Websense TRITON 7.8.3 and V-Series appliances before 7.8.4 Hotfix 02 allows remote authenticated users to execute arbitrary commands via shell metacharacters in the "second" parameter of a command, as demonstrated by the Destination parameter in the ping command.

References

• https://nvd.nist.gov/vuln/detail/CVE-2015-2746
• https://www.exploit-db.com/exploits/36423/
• https://www.securify.nl/advisory/SFY20140906/command_injection_vulnerability_in_network_diagnostics_tool_of_websense_appliance_manager.html
• http://packetstormsecurity.com/files/130899/Websense-Appliance-Manager-Command-Injection.html
• http://seclists.org/fulldisclosure/2015/Mar/104
• http://www.securityfocus.com/archive/1/534910/100/0/threaded
• http://www.websense.com/support/article/kbarticle/October-2014-Hotfix-Summary-for-Websense-Solutions