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/2021-05/JulSwap_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
The JulSwap of the DEX protocol and the automated liquidity protocol on the BSC chain was attacked by lightning loans, and $JULB fell more than 95% in a short time. Attack method (per SlowMist): Flash loan attack. Reported loss: 1,500,000.
Sourced from
slowmist
Technical record
- chain
- bsc
- protocol
- JulSwap
- bug_class
- flashloan
- date_occurred
- 2021-05-28
- loss_usd
- —
- source_id
- sm:julswap::2021-05-28
Related — same bug class· flashloan