Root-cause analysis not yet published. The incident description below contains all currently available signal — review the attack transaction directly for definitive forensics.
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.
OSN on BNBChain is suspected to have been attacked. The attacker initiated multiple attack transactions, resulting in a loss of ~$110K. The attacker took advantage of the OSNLpDividendTracker contract which sells its own tokens as a reward for users adding liquidity. Attack method (per SlowMist): Contract Vulnerability. Reported loss: $ 110,000.
- chain
- —
- protocol
- OSN
- bug_class
- logic
- date_occurred
- 2024-05-06
- loss_usd
- $110,000
- source_id
- sm:osn::2024-05-06