Pwn Challenges
8 challenges found
Ghost Writer
An automated memo service saves whatever you write. The developers reused code from an older echo service, and old...
Chain Reaction
A control system for initiating chain reactions has a familiar input flaw. But the security has been upgraded, and old...
Dead Drop
A classified note system lets agents create, view, and delete secret messages. But the cleanup protocol has a flaw, and...
Library Card
The city library's card reader accepts patron credentials. But something about the way it processes input feels off -...
Fence Post
A secure vault application for authorized personnel. The developer wrote a custom input function — surely that's more...
Talk Back
A debug echo service echoes back whatever you send. But it's echoing more than it should... Your mission: Make the...
Buffer Runner
A data processing utility from 2005 was recently discovered still running in production. The developers claim it's...
Legacy Auth
An old authentication daemon was discovered running on an internal server. The sysadmin claims it's been there "since...