[Full-disclosure] [CAID 35524]: CA eTrust Intrusion Detection caller.dll Vulnerability

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Title: [CAID 35524]: eTrust Intrusion Detection caller.dll
Vulnerability

CA Vuln ID (CAID): 35524

CA Advisory Date: 2007-07-24

Reported By: Sebastian Apelt working with the iDefense VCP

Impact: A remote attacker can execute arbitrary code.

Summary: CA eTrust Intrusion Detection contains a vulnerability
associated with the caller.dll ActiveX control. The vulnerability,
CVE-2007-3302, is due to the caller.dll ActiveX control being
marked safe for scripting. An attacker, who can lure a user into
visiting a malicious website, can potentially gain complete
control of an affected installation.

Mitigating Factors:
1) Attack can only be executed if victim is using a web browser.
2) Attacker must trick victim into visiting a malicious web page.
3) Malicious code will be executed with privileges of currently
logged in user.

Severity: CA has given this vulnerability a High risk rating.

Affected Products:
eTrust Intrusion Detection 3.0
eTrust Intrusion Detection 3.0 SP1

Affected Platforms:
Windows

Status and Recommendation:
CA has provided updates to address the vulnerabilities.

eTrust Intrusion Detection 3.0 - apply QO89893

eTrust Intrusion Detection 3.0 SP1 - apply QO89881

How to determine if you are affected:
For Windows:

1. Using Windows Explorer, locate the file “caller.dll”. By
   default, the file is located in the
   “C:\Program Files\CA\eTrust Intrusion Detection\Common”
   directory.
2. Right click on the file and select Properties.
3. For eTrust Intrusion Detection 3.0 SP1, select the Version tab,
   or, for eTrust Intrusion Detection 3.0, select the General tab.
4. If the file version or date is earlier than indicated in the
   table below, the installation is vulnerable.

File Release File Version File Date, Size
caller.dll 3.0 NA 7/13/2007, 32768 bytes
caller.dll 3.0 SP1 3.0.5.81 NA

Workaround:
As a workaround solution, set the kill bit on the caller.dll
ActiveX control.

Note: Before proceeding, review the following Microsoft knowledge
base article on disabling ActiveX controls:
http://support.microsoft.com/kb/240797

1. Using the registry editor, navigate to HKEY_LOCAL_MACHINE\
   SOFTWARE\Microsoft\Internet Explorer\ActiveX Compatibility\
   {41266C21-18D8-414B-88C0-8DCA6C25CEA0}. If the key does not
   exist, create it.
2. Create a DWORD value named "Compatibility Flags" with a value
   data of 0x00000400.
3. Restart Internet Explorer.

References (URLs may wrap):
CA SupportConnect:
http://supportconnect.ca.com/
Security Notice for eTrust Intrusion Detection caller.dll
Vulnerability
http://supportconnectw.ca.com/public/etrust/etrust_intrusion/infodocs/eid-c
allervilnsecnot.asp
Solution Document Reference APARs:
QO89893, QO89881
CA Security Advisor posting:
CA eTrust Intrusion Detection caller.dll vulnerability
http://www.ca.com/us/securityadvisor/newsinfo/collateral.aspx?cid=149811
CA Vuln ID (CAID): 35524
http://www.ca.com/us/securityadvisor/vulninfo/vuln.aspx?id=35524
Reported By: Sebastian Apelt working with the iDefense VCP
iDefense advisory:
Computer Associates eTrust Intrusion Detection CallCode ActiveX
Control Code Execution Vulnerability
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=568
CVE References:
CVE-2007-3302
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3302
OSVDB References: Pending
http://osvdb.org/

Changelog for this advisory:
v1.0 - Initial Release

Customers who require additional information should contact CA
Technical Support at http://supportconnect.ca.com.

For technical questions or comments related to this advisory,
please send email to vuln AT ca DOT com.

If you discover a vulnerability in CA products, please report your
findings to vuln AT ca DOT com, or utilize our "Submit a
Vulnerability" form.
URL: http://www.ca.com/us/securityadvisor/vulninfo/submit.aspx

Regards,
Ken Williams ; 0xE2941985
Director, CA Vulnerability Research

CA, 1 CA Plaza, Islandia, NY 11749

Contact http://www.ca.com/us/contact/
Legal Notice http://www.ca.com/us/legal/
Privacy Policy http://www.ca.com/us/privacy/
Copyright (c) 2007 CA. All rights reserved.

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