ZDI-10-200: Tivoli Storage Manager FastBack 0xfafbfcfd Packet Remote Code Execution Vulnerability http://www.zerodayinitiative.com/advisories/ZDI-10-200 October 12, 2010 -- CVSS: 10, (AV:N/AC:L/Au:N/C:C/I:C/A:C) -- Affected Vendors: IBM -- Affected Products: IBM Tivoli Storage Manager -- TippingPoint(TM) IPS Customer Protection: TippingPoint IPS customers have been protected against this vulnerability by Digital Vaccine protection filter ID 10533. 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 Tivoli Storage Manager. Authentication is not required to exploit this vulnerability. The specific flaw exists within FastBackServer.exe which listens by default on TCP port 1320. When handling a packet with header type 0xFAFBFCFD the process blindly copies user supplied data into a heap buffer. A remote attacker can exploit this vulnerability to execute arbitrary code under the context of the SYSTEM user. -- Vendor Response: IBM states: http://www-01.ibm.com/support/docview.wss?uid=swg21443820 Issue 2 -- Disclosure Timeline: 2010-06-17 - Vulnerability reported to vendor 2010-10-12 - Coordinated public release of advisory -- Credit: This vulnerability was discovered by: * AbdulAziz Hariri -- 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