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32C3CTF - Gurke (Misc 300)

1 minute read

Remote code execution in a seccomp protected python service requiring manipulating python internals to retrieve the flag in memory.

ASIS CTF Finals 2015 - Shop 1 (Pwn)

3 minute read

An off-by-one error allows an attacker to leak return codes from memcmp to determine the difference in the supplied byte and the compared byte to leak the fl...