Vulnerability · Published Aug 30, 2024 · Assigned by GitHub_M
CVE-2024-45304OwnableTwoStep allows a pending owner to accept ownership after the original owner has renounced ownership in cairo-contracts
Medium 5.3
In plain English
A medium-severity security flaw in cairo-contracts from OpenZeppelin. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 42% of all known vulnerabilities).
Official description
Cairo-Contracts are OpenZeppelin Contracts written in Cairo for Starknet, a decentralized ZK Rollup. This vulnerability can lead to unauthorized ownership transfer, contrary to the original owner's intention of leaving the contract without an owner. It introduces a security risk where an unintended party (pending owner) can gain control of the contract after the original owner has renounced ownership. This could also be used by a malicious owner to simulate leaving a contract without an owner, to later regain ownership by previously having proposed himself as a pending owner. This issue has been addressed in release version 0.16.0. All users are advised to upgrade. There are no known workarounds for this vulnerability.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| OpenZeppelin | cairo-contracts | < 0.16.0 |
Weakness: CWE-670 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N
References
- https://github.com/OpenZeppelin/cairo-contracts/security/advisories/GHSA-w2px-25pm-2cf9 x_refsource_CONFIRM
- https://github.com/OpenZeppelin/cairo-contracts/commit/ef87d7847980e0cf83f4b7f3ff23e6590fb643ec x_refsource_MISC
- https://github.com/OpenZeppelin/cairo-contracts/releases/tag/v0.16.0 x_refsource_MISC