pwnProeasy

BOF: Привет, Сквидвард! (Hello, Squidward!)

hackerlab

Task: ELF 64-bit binary with interactive menu and reputation system. Solution: Out-of-bounds array write to overwrite adjacent global reputation variable, bypassing the score check to get the flag.

elf64 buffer_overflow variable_overwrite pie out_of_bounds_write array_overflow global_variables bss_segment

Out-of-bounds array write to overwrite adjacent global variableArray index overflow exploitationGlobal variable manipulation via memory layout

$ ls tags/ techniques/

elf64 buffer_overflow variable_overwrite pie out_of_bounds_write array_overflow global_variables bss_segment

Out-of-bounds array write to overwrite adjacent global variableArray index overflow exploitationGlobal variable manipulation via memory layout

Analysis

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

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