CVE-2024-32647
Vulnerability from cvelistv5
Published
2024-04-25 17:41
Modified
2024-08-02 02:13
Severity ?
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Summary
Vyper is a pythonic Smart Contract Language for the Ethereum virtual machine. In versions 0.3.10 and prior, using the `create_from_blueprint` builtin can result in a double eval vulnerability when `raw_args=True` and the `args` argument has side-effects. It can be seen that the `_build_create_IR` function of the `create_from_blueprint` builtin doesn't cache the mentioned `args` argument to the stack. As such, it can be evaluated multiple times (instead of retrieving the value from the stack). No vulnerable production contracts were found. Additionally, double evaluation of side-effects should be easily discoverable in client tests. As such, the impact is low. As of time of publication, no fixed versions exist.
References
security-advisories@github.comhttps://github.com/vyperlang/vyper/blob/cedf7087e68e67c7bfbd47ae95dcb16b81ad2e02/vyper/builtins/functions.py#L1847Product
security-advisories@github.comhttps://github.com/vyperlang/vyper/security/advisories/GHSA-3whq-64q2-qfj6Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/vyperlang/vyper/blob/cedf7087e68e67c7bfbd47ae95dcb16b81ad2e02/vyper/builtins/functions.py#L1847Product
af854a3a-2127-422b-91ae-364da2661108https://github.com/vyperlang/vyper/security/advisories/GHSA-3whq-64q2-qfj6Vendor Advisory
Impacted products
Vendor Product Version
vyperlang vyper Version: <= 0.3.10
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