CSCG 2020 Quals Archive

Squirrel as a Service

Category: Pwn
Difficulty: Hard
Author: 0x4d5a

🐿️ as a Service! Squirrel lang (ˈaɪ̯çˌhœʁnçən) is a super simple programming language. And our server will execute your squirrel scripts, either in text or binary based format. Go exploit it. To test this service, take this cool script: ``` class CSCG {
constructor() { isCool = true; } isCool = false; }

function CSCG::IsCool() { if (isCool) { print("CSCG is so cool!\n"); } } local cscg = CSCG() cscg.IsCool() ```

Server: nc hax1.allesctf.net 9888

Announcement 1 (02.05.2020): We updated the server binary and package, please re-download the files! New sha256sum is: 799312ee666ad98467bbfd9810c791b9596761f4020c414c0452ead9e49023e4

Challenge Files: saas.zip