🚨 We analyzed a CRITICAL vulnerability in $PORT3
A perfect storm of 3 bugs allowed attackers to:
✓ Bypass authorization with EMPTY signatures
✓ Register fake chains
✓ Mint UNLIMITED tokens
✓ Drain bridge liquidity
The root cause? Owner = 0x0
What happened 🧵
🚨 We analyzed a CRITICAL vulnerability in $PORT3
A perfect storm of 3 bugs allowed attackers to:
✓ Bypass authorization with EMPTY signatures
✓ Register fake chains
✓ Mint UNLIMITED tokens
✓ Drain bridge liquidity
The root cause? Owner = 0x0
What happened 🧵
CATERC20 is a cross-chain token bridge using:
Wormhole for cross-chain messaging
Signature verification for governance
registerChains() to whitelist token bridges
Problem: The authorization mechanism had a critical flaw.
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