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AUSCERT External Security Bulletin Redistribution
ESB-2011.0587.2
IBM Tivoli Endpoint lcfd.exe opts Argument Remote Code
Execution Vulnerability
3 June 2011
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AusCERT Security Bulletin Summary
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Product: IBM Tivoli Endpoint
Publisher: Zero Day Initiative
Operating System: Windows
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2011-1220 CVE-2011-2330
Original Bulletin:
http://www.zerodayinitiative.com/advisories/ZDI-11-169/
Revision History: June 3 2011: Added CVE reference
June 1 2011: Initial Release
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IBM Tivoli Endpoint lcfd.exe opts Argument Remote Code Execution Vulnerability
ZDI-11-169: May 31st, 2011
CVE ID
CVE-2011-1220
CVSS Score
10, (AV:N/AC:L/Au:N/C:C/I:C/A:C)
Affected Vendors
IBM
Affected Products
Tivoli Endpoint
TippingPoint IPS Customer Protection
TippingPoint IPS customers are protected against this vulnerability by Digital
Vaccine protection filter ID 11237. For further product information on the
TippingPoint IPS:
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
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