BugTraq
[CAID 34870]: CA Anti-Virus vetfddnt.sys, vetmonnt.sys Local Denial of Service Vulnerabilities Dec 14 2006 05:42PM
Williams, James K (James Williams ca com)


Title: CAID 34870: CA Anti-Virus vetfddnt.sys, vetmonnt.sys Local

Denial of Service Vulnerabilities

CA Vulnerability ID (CAID): 34870

CA Advisory Date: 2006-12-13

Discovered By: Rubén Santamarta (reversemode.com)

Impact: Local unprivileged attacker can cause a denial of service.

Summary: Multiple instances of improper handling of NULL buffers

in CA Anti-Virus allow local attackers to cause a denial of

service condition. This issue affects only consumer CA Anti-Virus

products.

Mitigating Factors: Valid user account is required for successful

attack.

Severity: CA has given this vulnerability issue a Low risk rating.

Affected Products:

Consumer Products:

CA Anti-Virus 2007 v8.1

CA Anti-Virus for Vista Beta v8.2

CA Internet Security Suite 2007 v3.0

Affected platforms:

Microsoft Windows

Status and Recommendation:

CA has addressed this issue in the GA (Generally Available)

software by providing a new automatic update on December 13, 2006.

Customers running one of the GA products simply need to ensure

that they have allowed this automatic update to take place. For

CA Anti-Virus for Vista Beta, this issue will be patched in the GA

release of the software.

Determining if you are affected:

View the Help>About screen and confirm that the product version is

8.3.0.1 or above. You can also verify application of the update

by confirming that the vetfddnt.sys and vetmonnt.sys driver

versions are 8.3.0.1 or above. These files are located in the

%windows%\system32\drivers folder.

References (URLs may wrap):

CA SupportConnect:

http://supportconnect.ca.com/

CA SupportConnect Security Notice for this vulnerability:

N/A

CA Consumer Support Security Notice for this vulnerability:

Low Risk CA Anti-Virus Vulnerability - Multiple Local Denial of

Service

http://crm.my-etrust.com/login.asp?username=guest&target=DOCUMENT&openpa
rameter=2651

Solution Document Reference APARs:

N/A

CA Security Advisor posting:

CA Anti-Virus vetfddnt.sys, vetmonnt.sys Local Denial of Service

Vulnerabilities

http://www3.ca.com/securityadvisor/newsinfo/collateral.aspx?cid=96883

CAID: 34870

CAID Advisory links:

http://www3.ca.com/securityadvisor/vulninfo/vuln.aspx?id=34870

Discoverer: Rubén Santamarta, Reverse Mode

http://www.reversemode.com/

http://www.reversemode.com/index.php?option=com_remository&Itemid=2&func
=fileinfo&id=41

CVE Reference: CVE-2006-6496

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-6496

OSVDB Reference: OSVDB ID: 30845

http://osvdb.org/30845

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 [email concealed], or contact me directly.

If you discover a vulnerability in CA products, please report

your findings to vuln (at) ca (dot) com [email concealed], or utilize our "Submit a

Vulnerability" form.

URL: http://www3.ca.com/securityadvisor/vulninfo/submit.aspx

Regards,

Ken Williams ; 0xE2941985

Director, CA Vulnerability Research

CA, One CA Plaza. Islandia, NY 11749

Contact http://www3.ca.com/contact/

Legal Notice http://www3.ca.com/legal/

Privacy Policy http://www3.ca.com/privacy/

Copyright © 2006 CA. All rights reserved.

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