A vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Hewlett-Packard OpenView Network Node Manager. Authentication is not required to exploit this vulnerability. The specific flaw exists within the ovalarm.exe CGI application. If the OVABverbose POST variable is set, this process takes the value of the Accept-Language HTTP header and copies it without any length checks into a 0x100 byte stack buffer. By providing a large enough string this buffer can be overrun leading to arbitrary code execution.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/83666/TPTI-09-12.txt
Source: https://packetstormsecurity.com/files/83666/HP-OpenView-NNM-ovalarm.exe-CGI-Accept-Language-Stack-Overflow.html