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.
On July 29, 2017, the Ethereum multi-signature wallet company Parity issued a security alert, notifying users of serious vulnerabilities in its wallet v1.5 or later. That day, a black hat hacker used the vulnerability to exhaust the Parity wallets of three Ethereum projects, stealing a total of 153,037 ETH from Swarm City, Edgeless, and Aeternity. Attack method (per SlowMist): Unauthorized operation. Reported loss: 153,037 ETH.
- chain
- ethereum
- protocol
- Parity
- bug_class
- access-control
- date_occurred
- 2017-07-20
- loss_usd
- —
- source_id
- sm:parity::2017-07-20