brain-repl CTF problem/writeup

This repo contains the a binary exploitation challenge and solution script.

You can read the full writeup on my blog post:

Files

brain-repl-ctf-problem.tgz: archive with problem
brain-repl-ctf-problem/Makefile: was used to build problem
brain-repl-ctf-problem/README.md: problem readme
brain-repl-ctf-problem/brain-repl: challenge binary
brain-repl-ctf-problem/brain-repl.c: challenge source code
brain-repl-ctf-problem/flag.txt: sample flag file (the name is public)
brain-repl-ctf-problem/run_brain_repl.sh: script to run the binary
debug_brain_repl.sh: debug script to run binary with socat with or without GDB
gdb_cmds.gdb: GDB command file (used by debug_brain_repl.sh)
solve_brain_repl.py: solution script