VERDICT —UNRATED
Verdict pending. Auto-ingested incidents are reviewed before a public verdict is rendered.
▰ METHOD
Undisclosed
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/2020-10/HarvestFinance_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
An arbitrage trade exploiting weak points in decentralized finance (DeFi) protocol Harvest Finance led to some $24 million in stablecoins being siphoned away from the project’s pools on Monday, according to CoinGecko. Reported loss: $24,000,000.
Primary source
https://www.coindesk.com/harvest-finance-24m-attack-triggers-570m-bank-run-in-latest-defi-exploit ↗Sourced from
chainsec
Technical record
- chain
- —
- protocol
- Harvest Finance
- bug_class
- unknown
- date_occurred
- 2020-10-26
- loss_usd
- $24,000,000
- source_id
- cs:harvest-finance::2020-10-26
Related — same bug class