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ZDI-10-018: IBM Cognos Server Backdoor Account Remote Code Execution Vulnerability

Description

ZDI-10-018: IBM Cognos Server Backdoor Account Remote Code Execution Vulnerability http://www.zerodayinitiative.com/advisories/ZDI-10-018 February 18, 2010 -- Affected Vendors: IBM -- Affected Products: IBM Cognos -- TippingPoint(TM) IPS Customer Protection: TippingPoint IPS customers have been protected against this vulnerability by Digital Vaccine protection filter ID 9494. For further product information on the TippingPoint IPS, visit: http://www.tippingpoint.com -- Vulnerability Details: This vulnerability allows remote attackers to execute remote code on vulnerable installations of IBM Cognos Server. Proper authentication is not required to exploit this vulnerability. The specific flaw exists due to a hidden manager-level account with a default password defined in the user configuration of the bundled Tomcat server. This server can be reached via HTTP on TCP port 19300. A malicious attacker can use this account to manage or deploy a servlet onto the server. By abusing this ability a remote attacker can execute arbitrary code under the context of the user running the Tomcat server. -- Vendor Response: IBM has issued an update to correct this vulnerability. More details can be found at: http://www-01.ibm.com/support/docview.wss?uid=swg21419065 -- Disclosure Timeline: 2010-01-15 - Vulnerability reported to vendor 2010-02-18 - Coordinated public release of advisory -- Credit: This vulnerability was discovered by: * AbdulAziz Hariri of Insight Technologies -- 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/