CVE-2022-35961

OpenZeppelin Contracts (ECDSA.recover and ECDSA.tryRecover) suffer signature malleability due to acceptance of EIP-2098 compact signatures in the single-bytes variants (not when using r, v, s or r, vs). This could allow a reused/double-submitted signature to bypass replay protection in contracts ...

CVE-2022-35961: Improper Validation of Integrity Check Value

OpenZeppelin Contracts is a library for secure smart contract development. The functions ECDSA.recover and ECDSA.tryRecover are vulnerable to a kind of signature malleability due to accepting EIP-2098 compact signatures in addition to the traditional 65 byte signature format. This is only an issu...