CA Host-Based Intrusion Prevention System Denial of Service
25 Aug. 2009
Summary
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.
Vulnerable Systems:
* CA Host-Based Intrusion Prevention System version 8.1
Immune Systems:
* CA Host-Based Intrusion Prevention System version 8.1 CF 1
The vulnerability 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.
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 kmxIds.sys
Version 7.3.1.18
Size(bytes) 163,840
Date June 03, 2009, 12:32:22 PM
Patch Availability:
CA has issued the following patch to address the vulnerability.
CA Host-Based Intrusion Prevention System 8.1: Install Cumulative Fix 1 RO10298.
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