Windows‌ ‌Exploitation‌ ‌Tricks:‌ ‌Spoofing‌ ‌Named‌ ‌Pipe‌ ‌Client‌ ‌PID‌

Posted by James Forshaw, Project Zero While researching the Access Mode Mismatch in IO Manager bug class I came across an interesting feature in named pipes which allows a server to query the connected clients PID. This feature was introduced in Vista and is exposed to servers through the...

Windows Kernel Logic Bug Class: Access Mode Mismatch in IO Manager

Posted by James Forshaw, Project Zero This blog post is an in-depth look at an interesting logic bug class in the Windows Kernel and what I did to try to get it fixed with our partners at Microsoft. The maximum impact of the bug class is local privilege escalation if kernel and driver developers...