IBM Tivoli Endpoint lcfd.exe opts Argument Remote Code Execution Vulnerability

2011-06-06 / 2011-06-07
Credit: ZDI
Risk: High
Local: No
Remote: Yes

ZDI-11-169: IBM Tivoli Endpoint lcfd.exe opts Argument Remote Code Execution Vulnerability http://www.zerodayinitiative.com/advisories/ZDI-11-169 May 31, 2011 -- CVE ID: CVE-2011-1220 -- CVSS: 10, (AV:N/AC:L/Au:N/C:C/I:C/A:C) -- Affected Vendors: IBM -- Affected Products: IBM Tivoli Endpoint -- TippingPoint(TM) IPS Customer Protection: TippingPoint IPS customers have been protected against this vulnerability by Digital Vaccine protection filter ID 11237. 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 IBM Tivoli Endpoint. Authentication is required to exploit this vulnerability, however it is trivially achieved. The specific flaw exists within the lcfd.exe process which listens by default on TCP port 9495. To reach this page remotely authentication is required. However, by abusing a built-in account an attacker can access the restricted pages. While parsing requests to one of these, the process blindly copies the contents of a POST variable to a 256 byte stack buffer. This can be leveraged by a remote attacker to execute arbitrary code under the context of the SYSTEM user. -- Vendor Response: IBM has issued an update to correct this vulnerability. More details can be found at: https://www-304.ibm.com/support/docview.wss?uid=swg21499146 -- Disclosure Timeline: 2010-11-23 - Vulnerability reported to vendor 2011-05-31 - Coordinated public release of advisory -- Credit: This vulnerability was discovered by: * Tenable Network Security -- 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

References:

http://zerodayinitiative.com/advisories/ZDI-11-169/
http://www.securityfocus.com/archive/1/archive/1/518199/100/0/threaded
http://www-01.ibm.com/support/docview.wss?uid=swg21499146


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