The kmxfw.sys driver in CA Host-Based Intrusion Prevention System (HIPS) r8, as used in CA Internet Security Suite and Personal Firewall, does not properly verify IOCTL requests, which allows local users to cause a denial of service (system crash) or possibly gain privileges via a crafted request.
Improper Input Validation The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly.