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 â??caller.dllâ?. By

default, the file is located in the

â??C:\Program Files\CA\eTrust Intrusion Detection\Commonâ?

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/ei
d-callervilnsecnot.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/

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Copyright (c) 2007 CA. All rights reserved.

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