CVE-2024-45304 – OwnableTwoStep allows a pending owner to accept ownership after the original owner has renounced ownership in cairo-contracts

https://notcve.org/view.php?id=CVE-2024-45304

30 Aug 2024 — 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 rega... • https://github.com/OpenZeppelin/cairo-contracts/commit/ef87d7847980e0cf83f4b7f3ff23e6590fb643ec • CWE-670: Always-Incorrect Control Flow Implementation •