Pwnable.kr: fd

Using pwntools to solve a simple challenge that does not require binary exploitation

Pwnable.kr is a website that offers exploitable CTF challenges, with four difficulty categories. Today, we’ll be looking at a very simple challenge, fd. The following Pwntools features are demonstrated hereL

  • pwn template command-line utility for generating exploit scripts
  • Magic args for setting runtime arguments
  • Processes via process and pwnlib.ssh
  • Basic information about file descriptors
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