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/2021-08/WaultFinance_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
Wault Finance on the BSC chain was attacked, and the attacker made a profit of 930,000 US dollars. Attackers due to design flaws in the economic model can carry out arbitrage attacks on the pool of WaultSwapPair (BSC_USDT-WEX). Attack method (per SlowMist): Flash loan attack. Reported loss: $ 930,000.
Sourced from
slowmist
Technical record
- chain
- bsc
- protocol
- Wault Finance
- bug_class
- flashloan
- date_occurred
- 2021-08-04
- loss_usd
- $930,000
- source_id
- sm:wault-finance::2021-08-04
Related — same bug class· flashloan