ZDI-11-234: Trend Micro Control Manager CasLogDirectInsertHandler.cs Remote Code Execution Vulnerability

Type securityvulns
Reporter Securityvulns
Modified 2011-07-13T00:00:00


ZDI-11-234: Trend Micro Control Manager CasLogDirectInsertHandler.cs Remote Code Execution Vulnerability


July 11, 2011

-- CVSS: 9, (AV:N/AC:L/Au:N/C:P/I:P/A:C)

-- Affected Vendors: Trend Micro

-- Affected Products: Trend Micro Control Manager

-- Vulnerability Details: This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Trend Micro Control Manager. User interaction is required to exploit this vulnerability in that the target must visit a malicious page.

The specific flaw exists within the Cas_LogDirectInsert.aspx http handler, which listens by default on TCP port 443. A specially crafted POST request allows remote attackers to supply XML and schema information which is used within queries to the backend database. By supplying malicious values, an attacker can inject themselves a user account which can be used to execute code via the management console on the service.

-- Vendor Response: Trend Micro states: http://esupport.trendmicro.com/solution/en-us/1058280.aspx

Fix is posted at download center: tmcm-55-win-en-criticalpatch1422.exe


This critical patch resolves the following issue(s):

Issue: A vulnerability allows an attacker to create and insert a user account which can be used to execute codes through the management console. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Solution: This critical patch imposes stricter rules for the insertion of system account relative tables to prevent attackers from inserting user accounts.

Reference: http://www.trendmicro.com/ftp/documentation/readme/readme_critical_patch_TMCM55_1422.txt

-- Disclosure Timeline: 2011-04-01 - Vulnerability reported to vendor 2011-07-11 - Coordinated public release of advisory

-- Credit: This vulnerability was discovered by: * Andrea Micalizzi aka rgod

-- 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:


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:


Follow the ZDI on Twitter: