ZDI-12-171 : (0Day) Hewlett-Packard Intelligent Management Center UAM sprintf Remote Code Execution Vulnerability http://www.zerodayinitiative.com/advisories/ZDI-12-171 August 29, 2012 - -- CVE ID: - -- CVSS: 10, AV:N/AC:L/Au:N/C:C/I:C/A:C - -- Affected Vendors: Hewlett-Packard - -- Affected Products: Hewlett-Packard Intelligent Management Center - -- TippingPoint(TM) IPS Customer Protection: TippingPoint IPS customers have been protected against this vulnerability by Digital Vaccine protection filter ID 12500. 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 Intelligent Management Center. Authentication is not required to exploit this vulnerability. The flaw exists within the uam.exe component which listens by default on UDP port 1811. When logging received actions to a log file, sprintf is used to build the log message. The process does not properly verify the destination buffer on the stack is of sufficient size to handle the newly created string. A remote attacker can exploit this vulnerability to execute arbitrary code under the context of the SYSTEM user. - -- Vendor Response: - -- Mitigation: The overall design of the Intelligent Management Center assumes it runs as an application on a Windows server. Given the stated purpose of Intelligent Management Center, and the nature of the vulnerability, the only salient mitigation strategy is to restrict interaction with the service to trusted machines. Only the clients and servers that have a legitimate procedural relationship with the HP Intelligent Management Center should be permitted to communicate with it. This could be accomplished in a number of ways, most notably with firewall rules/whitelisting. These features are available in the native Windows Firewall, as described in http://technet.microsoft.com/en-us/library/cc725770%28WS.10%29.aspx and numerous other Microsoft Knowledge Base articles. - -- Disclosure Timeline: 2011-10-21 - Vulnerability reported to vendor 2012-08-29 - 0Day advisory released in accordance with the ZDI 180 day deadline policy - -- Credit: This vulnerability was discovered by: * e6af8de8b1d4b2b6d5ba2610cbf9cd38 - -- 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