full-disclosure - CA Host-Based Intrusion Prevention System SDK kmxfw.sys Multiple Vulnerabilities

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Date: Tue, 12 Aug 2008 14:54:34 -0400
From: "Williams, James K" <James.Williams@...com>
To: <full-disclosure@...ts.grok.org.uk>
Subject: CA Host-Based Intrusion Prevention System SDK
	kmxfw.sys Multiple Vulnerabilities

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Title: CA Host-Based Intrusion Prevention System SDK kmxfw.sys 
Multiple Vulnerabilities

CA Advisory Date: 2008-08-11

Reported By:
CVE-2008-2926 - Tobias Klein
CVE-2008-3174 - Elazar Broad

Impact: A remote attacker can cause a denial of service or 
possibly execute arbitrary code. 

Summary: CA Host-Based Intrusion Prevention System SDK contains 
two vulnerabilities that can allow an attacker to cause a denial 
of service or possibly execute arbitrary code.  CA has issued 
updates to address the vulnerabilities. The first vulnerability, 
CVE-2008-2926, occurs due to insufficient verification of IOCTL 
requests by the kmxfw.sys driver. A local attacker can send an 
IOCTL request that can cause a system crash or potentially result 
in arbitrary code execution. The second vulnerability, 
CVE-2008-3174, occurs due to insufficient validation by the 
kmxfw.sys driver. An attacker can make a request that can cause a 
system crash.

Mitigating Factors: None

Severity: CA has given these vulnerabilities a Medium risk rating.

Affected Products:
CA Host-Based Intrusion Prevention System r8
CA Internet Security Suite 2007 (v3.2) with CA Personal Firewall 
   2007 (v9.1) Engine version 1.2.260 and below
CA Internet Security Suite 2008 (v4.0) with CA Personal Firewall 
   2008 (v10.0) Engine version 1.2.260 and below
CA Personal Firewall 2007 (v9.1) with Engine version 1.2.260 and 
   below
CA Personal Firewall 2008 (v10.0) with Engine version 1.2.260 and 
   below

Affected Platforms:
Windows

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

CA Host-Based Intrusion Prevention System r8:
RO00535
https://support.ca.com/irj/portal/anonymous/redirArticles?reqPage=search&se
archID=RO00535

CA Internet Security Suite r3, r4 and CA Personal Firewall 2007, 
2008:
Ensure the latest engine is installed by using the built-in update 
mechanism. CA Personal Firewall Engine 1.2.276 and later are not 
affected. To ensure that the latest automatic update is installed 
on your computer, customers can view the Help>About screen in 
their CA Personal Firewall product and confirm that the engine 
version number is 1.2.276 or higher. For support information, 
visit http://shop.ca.com/support.

How to determine if you are affected:
1. Using Windows Explorer, locate the file "kmxfw.sys". By default, 
   the file is located in the "C:\Windows\system32\drivers\" directory.
2. Right click on the file and select Properties.
3. Select the General tab.
4. If the file version is less than indicated in the below table, 
   the installation is vulnerable.

File Name   Version    Size (bytes)   Date
kmxfw.sys   6.5.5.18   115,216        March 14, 2008

Workaround: None

References (URLs may wrap):
CA Support:
http://support.ca.com/
Security Notice for
CA Host-Based Intrusion Prevention System SDK
https://support.ca.com/irj/portal/anonymous/phpsupcontent?contentID=182496
Solution Document Reference APARs:
RO00535
CA Security Response Blog posting:
CA Host-Based Intrusion Prevention System SDK kmxfw.sys Multiple 
   Vulnerabilities
community.ca.com/blogs/casecurityresponseblog/archive/2008/08/12.aspx
Reported By: 
Tobias Klein (CVE-2008-2926)
http://www.trapkit.de/
Elazar Broad (CVE-2008-3174)
CVE References:
CVE-2008-2926 - CA HIPS kmxfw.sys IOCTL
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2926
CVE-2008-3174 - CA HIPS kmxfw.sys denial of service
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-3174
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://support.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 our product security response team.
https://support.ca.com/irj/portal/anonymous/phpsupcontent?contentID=177782

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) 2008 CA. All rights reserved.

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