VERDICT —UNRATED
Verdict pending. Auto-ingested incidents are reviewed before a public verdict is rendered.
Root cause
Root-cause analysis not yet published. The incident description below contains all currently available signal — review the attack transaction directly for definitive forensics.
▰ PROOF OF CONCEPT
DEFIHACKLABS
src/test/2023-04/Sentiment_exp.sol
view forked test on github ↗Reproducible Foundry test fork from SunWeb3Sec/DeFiHackLabs. Clone the repo, run forge test against the file path above, and replay the exploit against a mainnet fork at the historical block. Use for reproduction only — not for live targets.
Forensic narrative
Classification: Ecosystem. Technique: Flashloan Reentrancy Attack. Target type: DeFi Protocol. Affected chains: Arbitrum. Implementation language: Solidity. Funds returned: $900,000.
Sourced from
DefiLlama Hacks dataset · api.llama.fi/hacks
Technical record
- chain
- arbitrum
- protocol
- Sentiment
- bug_class
- reentrancy
- date_occurred
- 2023-04-04
- loss_usd
- $1,000,000
- classification
- Ecosystem
- technique
- Flashloan Reentrancy Attack
- target_type
- DeFi Protocol
- language
- Solidity
- source_id
- dl:2285
Related — same bug class· reentrancy