PancakeHunny Hack

TOTAL LOST $112K
Low Other

Summarize with AI

ChatGPT Perplexity Claude Grok
Affected Chain 2021 Incident surface
Recovered - No recovery reported
All-Time Rank #1486 By amount stolen
Protocol Type Exploit/Other Target category

Incident Overview

The attacker's address:

https://bscscan.com/address/0x0ef50be2…0db411

The attacker:

- WBNB was swapped to CAKE at PancakeSwap

- sent CAKE to the HUNNY Minter contract

- staked on CAKE-BNB Hive in PancakeHunny

- HUNNY Minter was “tricked” to mint more HUNNY tokens, namely:

using all the wallet balance to make HUNNYBNB LP, and then uses it to calculate the profit hunnyBnbAmount, which can be easily tampered with by just sending the tokens to the minter contract

- the attacker then un-staked from CAKE-BNB Hive to receive the HUNNY tokens from the Minter

- the attacker then sold the HUNNY tokens on PancakeSwap

Stolen funds were transferred to the external address and deposited to the Binance exchange wallet at:

https://bscscan.com/tx/0xcc88d376…1b8324

https://bscscan.com/tx/0xba23b86d…62a215

https://bscscan.com/tx/0x4c93ae86…79dac8

https://bscscan.com/tx/0xe8f8d0e3…dc3fab

Incident Report

Protocol / Project PancakeHunny
Date of Incident
Attack Technique Other
Classification Token
Primary Source View Post-Mortem #1 View Post-Mortem #2 View Post-Mortem #3

Protocol Information

Protocol Type Exploit/Other
Affected Token HUNNY
Official Website pancakehunny.finance/
Protocol Twitter/X @PancakeHunny

Market Context at Time of Hack

Token Categories
DeFi Yield Aggregator BNB Chain Ecosystem
Protocol Links
GitHub

What the Attacker Needed to Succeed

Understanding the prerequisites for this type of attack helps auditors identify protocols that are most at risk and helps developers build better defenses.

Technical Knowledge Deep understanding of other and Solidity and EVM internals
Capital Required Seed capital to cover gas and initial position setup
On-Chain Access Ability to interact with smart contracts and deploy a custom exploit contract
Protocol Analysis Identification of the exploitable vulnerability in PancakeHunny's contract logic - root cause: token
Execution Speed Precise transaction ordering and timing to exploit the vulnerability within a single atomic block
Obfuscation Plan A strategy to launder and move stolen funds - typically through mixers, cross-chain bridges, or decentralized DEX swaps to resist tracing

What Auditors Should Check

Could this have been caught in audit? Likely — with a thorough Other audit checklist and test coverage

If you're auditing a protocol with similar architecture to PancakeHunny, these are the critical security checks that could have prevented this incident (June 2021).

  • Verify all logic paths related to Other are guarded by proper access controls and input validation
  • Review privileged functions (owner, admin, governance) for potential abuse vectors - centralization risks should be documented and bounded with timelocks or multi-sigs

Master these auditing techniques with hands-on labs and real exploit scenarios in the Smart Contract Hacking course.

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Sources & References

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