An independent researcher, Luigi Auriemma, has found several vulnerabilities in Version 7.53 of HP’s OpenView Network Node Manager. These include a format string error and stack based buffer overflows and Denial of Service issues. All of the vulnerabilities were discovered within the ovalarmsrv.exe process which listens on ports 2953 and 2954. If you are running this product you should ensure that access is limited to known and trusted parties. The original advisory can be found at: http://aluigi.altervista.org/adv/ovalarmsrv-adv.txt