Virtually Unlimited Memory: Escaping the Chrome Sandbox

Posted by Mark Brand, Exploit Technique Archaeologist. Introduction After discovering a collection of possible sandbox escape vulnerabilities in Chrome, it seemed worthwhile to exploit one of these issues as a full-chain exploit together with a renderer vulnerability to get a better understanding...

Google Chrome < M72 - FileWriterImpl Use-After-Free Exploit

Google Chrome GetBlobDataFromBlobPtr std::moveblob, base::BindOnce&FileWriterImpl::DoWrite, base::Unretainedthis, std::movecallback, position; Note that the last argument to GetBlobDataFromBlobPtr is a callback object bound to base::Unretainedthis. And the implementation of GetBlobDataFromBlobPtr...

Google Chrome M72 - FileWriterImpl Use-After-Free

Google Chrome M72 - FileWriterImpl Use-After-Free There's a use-after-free in the implementation of the FileWriter component of the mojo bindings for the filesystem API. The browser-process side of this API is defined in...