Tokyohot — N0541 [hot]

Tokyo Hot N0541's entertainers are the cornerstone of the club's exceptional experience. These talented performers are handpicked for their charisma, talent, and dedication to providing an unforgettable experience for patrons. From beautiful dancers to enchanting musicians, the entertainers at Tokyo Hot N0541 are a true delight to behold.

def recvuntil(s, delim=b'\n'): data = b'' while not data.endswith(delim): chunk = s.recv(1) if not chunk: break data += chunk return data tokyohot n0541

$ file n0541 n0541: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked (uses libc), stripped $ checksec --file=n0541 ... RELRO : Partial RELRO Stack : No canary found NX : Enabled PIE : No Tokyo Hot N0541's entertainers are the cornerstone of

: The global logged_in flag is stored in the .bss near the userlist array. If we can overflow from login into that variable we can set it to 1 and call show_secret . This requires a heap overflow that reaches the global variable – possible because the user struct is allocated just before the buffer buf on the stack (the stack grows downwards). def recvuntil(s, delim=b'\n'): data = b'' while not data