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/2024-05/Sonne_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
Based on Compound's Optimism native lending protocol, Sonne Finance has fallen victim to a lightning loan attack by hackers, resulting in losses exceeding $20 million USD. Attack method (per SlowMist): Flash Loan Attack. Reported loss: $ 20,000,000.
Sourced from
slowmist
Technical record
- chain
- optimism
- protocol
- Sonne Finance
- bug_class
- flashloan
- date_occurred
- 2024-05-14
- loss_usd
- $20,000,000
- source_id
- sm:sonne-finance::2024-05-14
Related — same bug class· flashloan