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HP OpenView NNM snmpviewer.exe CGI Host Header Stack Overflow Vulnerability

TPTI-09-13: December 9th, 2009

CVE ID

Affected Vendors

Affected Products

TippingPoint™ IPS Customer Protection

TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 8349. For further product information on the TippingPoint IPS:

Vulnerability Details

This 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 Response

Hewlett-Packard has issued an update to correct this vulnerability. More details can be found at:

Disclosure Timeline

    2009-07-23 - Vulnerability reported to vendor
    2009-12-09 - Coordinated public release of advisory

Credit

This vulnerability was discovered by: