A Deep Dive into the GetProcessHandleFromHwnd API

Posted by James Forshaw In my previous blog post I mentioned the GetProcessHandleFromHwnd API. This was an API I didn’t know existed until I found a publicly disclosed UAC bypass using the Quick Assist UI Access application. This API looked interesting so I thought I should take a closer look. I...

A 0-click exploit chain for the Pixel 9 Part 2: Cracking the Sandbox with a Big Wave

Posted by Seth Jenkins With the advent of a potential Dolby Unified Decoder RCE exploit, it seemed prudent to see what kind of Linux kernel drivers might be accessible from the resulting userland context, the mediacodec context. As per the AOSP documentation, the mediacodec SELinux context is...

Pointer leaks through pointer-keyed data structures

Posted by Jann Horn, Google Project Zero Introduction Some time in 2024, during a Project Zero team discussion, we were talking about how remote ASLR leaks would be helpful or necessary for exploiting some types of memory corruption bugs, specifically in the context of Apple devices. Coming from...