HP OpenView NNM snmpviewer.exe CGI Host Header Stack Overflow VulnerabilityTPTI-09-13: December 9th, 2009
TippingPoint™ IPS Customer ProtectionTippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 8349. For further product information on the TippingPoint IPS:
Vulnerability DetailsThis 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 snmpviewer.exe CGI application. This process copies the Host header from HTTP requests into a fixed-length buffer located on the stack via a call to strcat. By specifying a string length within a certain range this buffer can be overflowed leading to arbitrary code execution.
Vendor ResponseHewlett-Packard has issued an update to correct this vulnerability. More details can be found at:
2009-07-23 - Vulnerability reported to vendor
2009-12-09 - Coordinated public release of advisory