TPTI-09-14: HP OpenView NNM ovwebsnmpsrv.exe OVwSelection Stack Overflow Vulnerability http://dvlabs.tippingpoint.com/advisory/TPTI-09-14 December 9, 2009 -- CVE ID: CVE-2009-4181 -- Affected Vendors: Hewlett-Packard -- Affected Products: Hewlett-Packard OpenView Network Node Manager -- TippingPoint(TM) IPS Customer Protection: TippingPoint IPS customers have been protected against this vulnerability by Digital Vaccine protection filter ID 8396. For further product information on the TippingPoint IPS, visit: http://www.tippingpoint.com -- 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 ovwebsnmpsrv.exe application which is launched when a request is received for the jovgraph.exe CGI application. This process copies the contents of the 'sel' POST variable a user-controllable amount of times into a static stack buffer. By repeating a specific string as the contents of the 'arg' POST variable 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: http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01950877 -- Disclosure Timeline: 2009-08-06 - Vulnerability reported to vendor 2009-12-09 - Coordinated public release of advisory -- Credit: This vulnerability was discovered by: * Aaron Portnoy, TippingPoint DVLabs