Bypassing PFW/HIPS open process control with uncommon identifier

Hello, We would like to inform you about a vulnerability in personal firewalls and HIPS software. Description: Windows operating systems with NT kernel version 5.0 and higher i.e. Windows 2000, XP, 2003 use integer numbers divisible by four to identify processes. Internal implementation of system...

Kerio Multiple insufficient argument validation of hooked SSDT function Vulnerability

Hello, I would like to inform you about a vulnerability in Sunbelt Kerio Personal Firewall. Description: Sunbelt Kerio Personal Firewall hooks many functions in SSDT and in at least six cases it fails to validate arguments that come from user mode. User calls to NtCreateFile, NtDeleteFile,...

ISS BlackICE PC Protection Insufficient validation of arguments of NtOpenSection Vulnerability

Hello, I would like to inform you about a vulnerability in BlackICE PC Protection driver found by Matousec - Transparent security. Description: Hooking SSDT functions requires extra caution. SSDT function handlers are executed in the kernel mode but their callers are executed in the user mode...