Git Shell Bypass, Less is More

We’ve always been a fans of wargames. Not the movie (well, also the movie) but I’m referring to hacking wargames. There are several formats but usually you have access to an initial shell account somewhere, which is level0, and you have to exploit some flaw in the system to manage to get level1 permissions and so forth. Almost always there’s a level where you have to exploit a legitimate binary (with some shady permissions) that does more than what the regular user thinks.

In the case of CVE-2017-8386, less is more.

[Timo Schmid] details how the git-shell, a restricted …read more http://pje.fyi/P7Vb7Q

Paul Jacob Evans

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