CVE-2023-40014
CVE-2023-40014 · OpenZeppelin Contracts's ERC2771Context with custom forwarder may lead to zero-valued _msgSender
This page contains facts from public vulnerability sources. Check the original advisory before updating.
OpenZeppelin Contracts is a library for secure smart contract development. Starting in version 4.0.0 and prior to version 4.9.3, contracts using `ERC2771Context` along with a custom trusted forwarder may see `_msgSender` return `address(0)` in calls that originate from the forwarder with calldata shorter than 20 bytes. This combination of circumstances does not appear to be common, in particular it is not the case for `MinimalForwarder` from OpenZeppelin Contracts, or any deployed forwarder the team is aware of, given that the signer address is appended to all calls that originate from these forwarders. The problem has been patched in v4.9.3.
CVSS 5.3 · Medium · EPSS 0.7% · Fix available
- Published
- Updated
Affected products and versions
openzeppelin-contracts
- Versions
- >= 4.0.0, < 4.9.3: Affected
No fix published
@openzeppelin/contracts npm
- Affected ranges
- SEMVER: ≥ 4.0.0, < 4.9.3
Update to 4.9.3
@openzeppelin/contracts-upgradeable npm
- Affected ranges
- SEMVER: ≥ 4.0.0, < 4.9.3
Update to 4.9.3
smart Ubuntu:16.04:LTS
- Versions
- 1.4-2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
smart Ubuntu:18.04:LTS
- Versions
- 1.4-2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
Original sources
- https://github.com/OpenZeppelin/openzeppelin-contracts/security/advisories/GHSA-g4vp-m682-qqmp
- https://github.com/OpenZeppelin/openzeppelin-contracts/pull/4481
- https://github.com/OpenZeppelin/openzeppelin-contracts/pull/4484
- https://github.com/OpenZeppelin/openzeppelin-contracts/commit/9445f96223041abf2bf08daa56f8da50b674cbcd
- https://github.com/OpenZeppelin/openzeppelin-contracts/commit/e4435eed757d4309436b1e06608e97b6d6e2fdb5
- https://github.com/OpenZeppelin/openzeppelin-contracts/releases/tag/v4.9.3
- https://nvd.nist.gov/vuln/detail/CVE-2023-40014