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/2021-06/PancakeHunny_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
PolyBunny, a yield farming protocol running on the Polygon network and QuickSwap decentralized exchange (DEX) based on Ethereum (ETH), got exploited for $2.4 million on July 16. Reported loss: $2,400,000.
Primary source
https://cryptoslate.com/bsc-defi-app-pancakebunny-releases-post-mortem-of-2-4-million-exploit/ ↗Sourced from
chainsec
Technical record
- chain
- ethereum
- protocol
- PancakeBunny
- bug_class
- unknown
- date_occurred
- 2021-07-16
- loss_usd
- $2,400,000
- source_id
- cs:pancakebunny::2021-07-16
Related — same bug class