Wargame

CTF > DreamHack.io > Wargame

pwn - 1149 - Repeat Service

Repeat Service is a convenient service that allows you to enter a string and output it over and over again....

Vulnerability: stack buffer overflow - improper dest check in memcpy()

stack-buffer-overflow bypass-stack-canary return-address-overwrite
December 23, 2025 • December 18, 2025 • Easy
CTF > DreamHack.io > Wargame

pwn - 621 - Sea of Stack

Throw the flag at sea. It's so deep that no one can find it.

Vulnerability: stack buffer overflow - improper length check in read()

return-oriented-programming return-address-overwrite stack-buffer-overflow
December 23, 2025 • December 18, 2025 • Medium
CTF > DreamHack.io > Wargame

pwn - 721 - Santa claus is coming to town

산타 할아버지는 알고계신대. 누가 착한 앤지 나쁜 앤지 ...??? 어떻게??? 취약점을 찾아 셀을 획득한 후 flag 파일을 읽으세요. 플래그 형식은 DH{…} 입니다.

Vulnerability: arbitrary size allocation; out-of-bound write - improper index check

heap-buffer-overflow out-of-bound arbitrary-size-allocation hook-overwrite
December 23, 2025 • December 18, 2025 • Easy
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