CVE-2022-35961
Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
15/08/2022
Last modified:
06/12/2022
Description
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 issue for the functions that take a single `bytes` argument, and not the functions that take `r, v, s` or `r, vs` as separate arguments. The potentially affected contracts are those that implement signature reuse or replay protection by marking the signature itself as used rather than the signed message or a nonce included in it. A user may take a signature that has already been submitted, submit it again in a different form, and bypass this protection. The issue has been patched in 4.7.3.
Impact
Base Score 3.x
6.50
Severity 3.x
MEDIUM
Vulnerable products and versions
| CPE | From | Up to |
|---|---|---|
| cpe:2.3:a:openzeppelin:contracts:*:*:*:*:*:node.js:*:* | 4.1.0 (including) | 4.7.3 (excluding) |
| cpe:2.3:a:openzeppelin:contracts_upgradeable:*:*:*:*:*:node.js:*:* | 4.1.0 (including) | 4.7.3 (excluding) |
To consult the complete list of CPE names with products and versions, see this page