ZDI-10-137: Hewlett-Packard OpenView NNM webappmon.exe execvp_nc Remote Code Execution Vulnerability http://www.zerodayinitiative.com/advisories/ZDI-10-137 July 21, 2010 -- CVE ID: CVE-2010-2703 -- CVSS: 10, (AV:N/AC:L/Au:N/C:C/I:C/A:C) -- 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 9271. 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 ov.dll module which is loaded by the webappmon.exe CGI program. This DLL defines a function execvp_nc which unsafely concatenates a controllable command string into a statically allocated stack buffer. By supplying overly large values to variables passed through an HTTP request a strcat_new can be made to overflow this buffer. An attacker can leverage this to execute arbitrary code under the context of the user running the webserver. -- Vendor Response: Hewlett-Packard states: http://www11.itrc.hp.com/service/cki/docDisplay.do?docId=emr_na-c02286088 Account Required for access. -- Disclosure Timeline: 2010-02-02 - Vulnerability reported to vendor 2010-07-21 - Coordinated public release of advisory -- Credit: This vulnerability was discovered by: * Anonymous -- About the Zero Day Initiative (ZDI): Established by TippingPoint, The Zero Day Initiative (ZDI) represents a best-of-breed model for rewarding security researchers for responsibly disclosing discovered vulnerabilities. Researchers interested in getting paid for their security research through the ZDI can find more information and sign-up at: http://www.zerodayinitiative.com The ZDI is unique in how the acquired vulnerability information is used. TippingPoint does not re-sell the vulnerability details or any exploit code. Instead, upon notifying the affected product vendor, TippingPoint provides its customers with zero day protection through its intrusion prevention technology. Explicit details regarding the specifics of the vulnerability are not exposed to any parties until an official vendor patch is publicly available. Furthermore, with the altruistic aim of helping to secure a broader user base, TippingPoint provides this vulnerability information confidentially to security vendors (including competitors) who have a vulnerability protection or mitigation product. Our vulnerability disclosure policy is available online at: http://www.zerodayinitiative.com/advisories/disclosure_policy/ Follow the ZDI on Twitter: http://twitter.com/thezdi