Leaderboard
1308All-time rank
Numbers Protocol
Nov 23, 2022
$14K
Lost
$14K
Recovered
$0
Net loss
$14K
Unrecovered0% recovered
Numbers Protocol's bridge integration with Multichain exposed a vulnerability in how excessive permissions were handled in the permit mechanism. An attacker exploited a user's unlimited permit grant to steal 557,754 NUM tokens, converting them to 13 ETH and draining multiple user accounts.
How the exploit worked
View reproducible PoCProtocol Token incompatible.
Source: DeFiHackLabs (SunWeb3Sec)
- Target
- Bridge
- Classification
- Bridge & Cross-Chain
- Technique
- Bridge Logic Flaw
- Attribution
- Unknown
- Chains
Ethereum
Event timeline
- Nov 23, 2022Exploit executed — $14K drained via bridge logic flaw
- Attributed to Unknown
- Recovery status Unrecovered 0%
Data credits
- DefiLlamaIncident record, amounts, chains, recovery data and logo
- DeFiHackLabsExploit analysis and reproducible proof-of-concept (by SunWeb3Sec)