CA20090818-01: Security Notice for CA Host-Based Intrusion Prevention System Issued: August 18, 2009 CA's technical support is alerting customers to a security risk with CA Host-Based Intrusion Prevention System. A vulnerability exists that can allow a remote attacker to cause a denial of service. CA has issued a patch to address the vulnerability. The vulnerability, CVE-2009-2740, is due to the kmxIds.sys driver not correctly handling certain malformed packets. An attacker can send a malicious packet that will cause a kernel crash. Risk Rating High Platform Windows Affected Products CA Host-Based Intrusion Prevention System 8.1 Non-Affected Products CA Host-Based Intrusion Prevention System 8.1 CF 1 How to determine if the installation is affected 1. Using Windows Explorer, locate the file "kmxIds.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 Version tab. 4. If the file version is less than indicated in the below table, the installation is vulnerable. File Name Version Size(bytes) Date kmxIds.sys 7.3.1.18 163,840 June 03, 2009, 12:32:22 PM Solution CA has issued the following patch to address the vulnerability. CA Host-Based Intrusion Prevention System 8.1: Install Cumulative Fix 1 RO10298. References CVE-2009-2740 - HIPS kmxIds.sys remote crash http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-2740 CA20090818-01: Security Notice for CA Host-Based Intrusion Prevention System (line may wrap) https://support.ca.com/irj/portal/anonymous/phpsupcontent?contentID=21 4665 Acknowledgement CVE-2009-2740 - iViZ Security Research Team Change History Version 1.0: Initial Release If additional information is required, please contact CA Support at http://support.ca.com/ If you discover a vulnerability in CA products, please report your findings to the CA Product Vulnerability Response Team. (line may wrap) https://support.ca.com/irj/portal/anonymous/phpsupcontent?contentID=17 7782 Kevin Kotas CA Product Vulnerability Response Team