Audit Open Original ↗
FIVA Yield Protocol
Type
Security review
Client
FIVA
Date
2025-05
Domain
Blockchain
Effort
6 wks
Section
TON
Trail of Bits's security review of FIVA (May 2025) identified 14 issues: 5 high, 1 medium, 2 low, and 6 informational.
Findings · 14
- 1 Lack of a two-step process for critical operations Low
- 2 Lack of validation checks in the upgrade_storage operation handler High
- 3 An attacker can prevent the redemption of YT and PT tokens from the YTMinter contract High
- 4 Users can lose funds because of incorrect SY token configurations in the YTMinter contract Medium
- 5 The SYWallet contract is not tested Informational
- 6 Lack of a gas check in the wrap operation handler Informational
- 7 Curve stable swap AMM is not usable Informational
- 8 An incorrect balance check for the PT-to-SY swap can lead to a loss of funds High
- 9 An attacker can grieve users by completing their liquidity provision operation High
- 10 An integer overflow in the cube stable market invariant calculation can make the AMM unusable for swaps Informational
- 11 The YTMinter contract’s get_claimable_interest function deducts the protocol fee twice Informational
- 12 Incorrect forward value when minting PT in function mint_py_jettons Low
- 13 Race condition in YT swap and index update can lead to loss of funds High
- 14 Lack of validation checks in admin action handlers Informational
Findings extracted from the published report PDF. See the full report below for details and remediation.
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