Cogent DataHub Gamma Command Injection Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Cogent DataHub. Authentication is not required to exploit this vulnerability. The specific flaw exists within the EvalExpresssion method, which is available remotely through the AJAX facility. Using this method, it is possible to execute arbitrary Gamma code. By supplying a specially formatted Gamma script, a remote attacker can execute arbitrary OS commands in the context of the DataHub process.