Race Condition Trick /proc/self/fd

In the suidbash CTF challenge there was an inconspicuous line of code, but it was actually there to prevent a race condition. Let's talk about it this video!

Source code: https://gist.github.com/LiveOverflow/69ebf4322c9eb2f6a7774204f82c9fe0

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Видео Race Condition Trick /proc/self/fd канала LiveOverflow