pwnProhard

Дом с привидениями (Haunted House)

hackerlab

Task: Menu-based heap allocator with UAF vulnerability (delete does not NULL pointer). Solution: Leak libc via unsorted bin, tcache poisoning to overwrite __free_hook with win function address.

$ ls tags/ techniques/

heap uaf pwn tcache-poisoning __free_hook unsorted-bin-leak use-after-free no-pie glibc-2.31 win-function

use_after_freetcache_poisoningunsorted_bin_leak__free_hook_overwrite

Analysis

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$ python3 exploit.py --target 192.168.1.1 --port 8080
[*] Connecting to target...
[+] Shell obtained!

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