Starlay Finance Hack

TOTAL LOST $2.1M
Medium Redeem Logic Flaw acala
Affected Chain acala Incident surface
Recovered - No recovery reported
All-Time Rank #734 By amount stolen
Year 2024 Incident year

Incident Report

Protocol / Project Starlay Finance
Date of Incident
Affected Chain(s) acala
Attack Technique Redeem Logic Flaw
Classification Protocol Logic

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 redeem logic flaw and Solidity and EVM internals
Capital Required Seed capital to cover gas and initial position setup
On-Chain Access Ability to interact with acala smart contracts and deploy a custom exploit contract
Protocol Analysis Identification of the exploitable vulnerability in Starlay Finance's contract logic - root cause: protocol logic
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 Redeem Logic Flaw audit checklist and test coverage

If you're auditing a protocol with similar architecture to Starlay Finance, these are the critical security checks that could have prevented this incident (February 2024).

  • Verify all logic paths related to Redeem Logic Flaw 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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