CVE-2023-30837

Advisory

Vyper 0.3.8 includes a fix for CVE-2023-30837: The storage allocator does not guard against allocation overflows in versions prior to 0.3.8. An attacker can overwrite the owner variable.
https://github.com/vyperlang/vyper/security/advisories/GHSA-mgv8-gggw-mrg6

Affected package

Affected versions

Fixed versions

Vulnerability changelog

Vyper is a pythonic smart contract language for the EVM. The storage allocator does not guard against allocation overflows in versions prior to 0.3.8. An attacker can overwrite the owner variable. This issue was fixed in version 0.3.8. See CVE-2023-30837.


MISC:https://github.com/vyperlang/vyper/commit/0bb7203b584e771b23536ba065a6efda457161bb: https://github.com/vyperlang/vyper/commit/0bb7203b584e771b23536ba065a6efda457161bb
MISC:https://github.com/vyperlang/vyper/security/advisories/GHSA-mgv8-gggw-mrg6: https://github.com/vyperlang/vyper/security/advisories/GHSA-mgv8-gggw-mrg6

Resources

• https://github.com/vyperlang/vyper/commit/0bb7203b584e771b23536ba065a6efda457161bb
• https://github.com/vyperlang/vyper/security/advisories/GHSA-mgv8-gggw-mrg6
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-30837