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Description

The bad guys are always watching. ALWAYS WATCHING. Never provide shell, only softshell. (Uses the latest glibc)

Difficulty

9/10 (Difficult)

Flag

PCTF{l1nk3d_h34p_g035_b00m_3275259}

Hints

How is argslen parsed vs args?

Author

Dylan Knoff (elbee)

Tester

Dylan Used in US Cyber beginners room, solved by two people

Writeup

solve.py in repo

Note:

This chall has been pwned in 3 different ways so far

Given to user

  • softshell
  • softshell.c

Note

Interested in solutions inquire anyone that solves, multiple possibilities for solve eg double free, fd corruption