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WICYS CTF: Rainbow Vault Overflow 🌈🔒

A heap-focused exploitation challenge hidden inside the Rainbow Vault portal.

Description

The Rainbow Vault portal looks simple on the surface, but its internal memory layout tells a different story.

The challenge is to analyze how the program allocates and uses heap memory, then exploit the flaw to unlock the vault.

This challenge will be available soon
View Source Code (GitHub)

Challenge Details

Topic: Heap overflow and function pointer overwrite
Difficulty: Medium
Points: 500
Flag Format: WICYS{...}

In Progress

This WICYS challenge is still being finalized, so the full playable release is not available yet.

Submit Flag

Flag submission will unlock when this challenge is available.

Coming Soon

Solution