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Computer Associates eTrust Intrusion Detection CallCode ActiveX Control
Code Execution Vulnerability
------------------------------------------------------------------------
SUMMARY
<http://supportconnectw.ca.com/public/etrust/etrust_intrusion/etrustintrusion_supp.asp>
Computer Associates eTrust Intrusion Detection is "a network intrusion
management and prevention system, that includes real-time session monitoring
and Internet web filtering capabilities". Remote exploitation of a design error
vulnerability in Computer Associates International Inc.'s (CA) eTrust Intrusion
Detection allows attackers to execute arbitrary code.
DETAILS
Vulnerable Systems:
* CA eTrust Intrusion Detection version 3.0.5 on Windows (caller.dll
3.0.5.55)
When eTrust Intrusion Detection is installed it registers the following
ActiveX control as safe for scripting:
File: Caller.dll
Clsid: 41266C21-18D8-414B-88C0-8DCA6C25CEA0
This control contains a series of scriptable functions which allow
malicious web pages to load arbitrary DLLs and call their exports with
controlled parameters.
Analysis:
Exploitation allows an attacker to execute code with the privileges of the
currently logged on user. The user would have to be lured into visiting a
malicious web page.
Workaround"
Setting the kill-bit for this control will prevent it from being loaded
within Internet Explorer.
Vendor response:
Computer Associates has addressed this vulnerability by releasing an
update. More information can be found from their advisory at the following
URL:
<http://supportconnectw.ca.com/public/etrust/etrust_intrusion/infodocs/eid-callervilnsecnot.asp>
http://supportconnectw.ca.com/public/etrust/etrust_intrusion/infodocs/eid-callervilnsecnot.asp
CVE Information:
<http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3302>
CVE-2007-3302
Disclosure timeline:
06/20/2007 - Initial vendor notification
06/20/2007 - Initial vendor response
07/24/2007 - Coordinated public disclosure
ADDITIONAL INFORMATION
The information has been provided by
<mailto:idlabs-advisories@idefense.com> iDefense Labs Security Advisories.
The original article can be found at:
<http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=568>
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=568
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