Introduction This post will cover the exploitation chain I used to attack Source 1 Dedicated Servers. I have verified the exploit against these games: Left 4 Dead Left 4 Dead 2 Counter-Strike: Global Offensive Source Engine file system Source Engine allows games to “mount” multiple directories as the file search path. For example, we have a and b directories. When we mount those directories to the file system, the game will access both directories under the same virtual root (like virtual...
