Mozilla: Sandbox escape allowing local file system read access (MFSA 2017-12)

A mechanism to bypass file system access protections in the sandbox using the file system request constructor through an IPC message. This allows for read and write access to the local file system. This vulnerability affects Firefox ESR 52.1 and Firefox 53...

PT-2017-16513

Name of the Vulnerable Software and Affected Versions Firefox ESR versions prior to 52.1 Firefox versions prior to 53 Description The issue allows bypassing file system access protections in the sandbox. This is achieved through the file system request constructor using an IPC message, enabling...