Posts tagged with pwn

• Sep 17, 2019

  caidanti write-up (Real World CTF 2019 Quals)

  Caidanti was a reverse/pwn task with two flags.

  The task had two binaries - caidanti and caidanti-storage-service, running on Google’s Fuchsia operating system, which is currently under active development.

• Sep 6, 2019

  printf write-up (Tokyo Westerns CTF 2019)

  printf was a pretty typical pwn task: you get binary, libc, network address, and you have to gain an RCE. The vulnerability is an unsafe alloca which allows one to cross the gap between stack and libraries.

• Mar 27, 2019

  If on a winters night a traveler write-up (0CTF/TCTF Quals 2019)

  “If on a winters night a traveler” was a pwn task on 0CTF/TCTF Quals 2019. You have to pwn a custom buggy encryption algorithm for Vim.

• Jun 8, 2018

  Diagon Alley write-up (FAUST CTF 2018)

• May 14, 2018

  EC3 write-up (DEF CON CTF 2018 Quals)

  Elastic cloud compute (memory) corruption (or EC3 for short) was a binary pwn task on recent DEF CON CTF 2018 Quals.

• Jan 1, 2018

  primepwn write-up (34C3 CTF)

  We are given an x86_64 ELF binary and remote server address. The goal is to gain remote execution and read the flag.