Mozilla Foundation Security Advisory 2008-44
Title: resource: traversal vulnerabilities
Announced: September 23, 2008
Reporter: Boris Zbarsky, Georgi Guninski
Products: Firefox, Thunderbird, SeaMonkey
Fixed in: Firefox 3.0.2
Mozilla developer Boris Zbarsky reported that the resource: protocol allowed directory traversal on Linux when using URL-encoded slashes.
Mozilla developer Georgi Guninski reported that the restrictions imposed on local HTML files could be bypassed using the resource: protocol. The vulnerability allowed an attacker to read information about the system and prompt the victim to save the information in a file.