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/2020-09/bzx_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) lending protocol bZx was attacked once again last night and lost a little over $8 million due to a faulty code in its smart contracts. Reported loss: $8,000,000.
Primary source
https://www.theblockcrypto.com/post/77656/defi-protocol-bzx-attacked-lost-8-million-faulty-code ↗Sourced from
chainsec
Technical record
- chain
- —
- protocol
- bZx
- bug_class
- unknown
- date_occurred
- 2020-09-13
- loss_usd
- $8,000,000
- source_id
- cs:bzx::2020-09-13
Related — same bug class