CVE-2023-42441

MEDIUM5.3

Vyper has incorrect re-entrancy lock when key is empty string

Published Sep 18, 2023

Modified 1 years ago

Details

Vyper is a Pythonic Smart Contract Language for the Ethereum Virtual Machine (EVM). Starting in version 0.2.9 and prior to version 0.3.10, locks of the type @nonreentrant("") or @nonreentrant('') do not produce reentrancy checks at runtime. This issue is fixed in version 0.3.10. As a workaround, ensure the lock name is a non-empty string.

References

WEB

https://github.com/vyperlang/vyper/commit/0b740280c1e3c5528a20d47b29831948ddcc6d83

WEB

https://github.com/vyperlang/vyper/pull/3605

WEB

https://github.com/vyperlang/vyper/security/advisories/GHSA-3hg2-r75x-g69m

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2023-42441

CVSS Analysis

CVSS v3.1

5.3