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/2020-12/Cover_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
Decentralized finance (DeFi) protocol Cover, which recently merged with Yearn.Finance, has just been exploited. Reported loss: $5,000,000.
Primary source
https://www.theblockcrypto.com/post/89368/defi-protocol-cover-exploited-attackers-minted-at-least-40-quintillion-tokens ↗Sourced from
chainsec
Technical record
- chain
- —
- protocol
- Cover Protocol
- bug_class
- unknown
- date_occurred
- 2020-12-28
- loss_usd
- $5,000,000
- source_id
- cs:cover-protocol::2020-12-28
Related — same bug class