[NT] Computer Associates eTrust Intrusion Detection CallCode ActiveX Control Code Execution Vulnerability

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Computer Associates eTrust Intrusion Detection CallCode ActiveX Control
Code Execution Vulnerability
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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@xxxxxxxxxxxx> 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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