CVE-2022-29255

Advisory

Vyper 0.3.4 includes a fix for CVE-2022-29255: In versions prior to 0.3.4 when a calling an external contract with no return value, the contract address (including side effects) could be evaluated twice. This may result in incorrect outcomes for contracts.
https://github.com/vyperlang/vyper/security/advisories/GHSA-4v9q-cgpw-cf38

Affected package

Affected versions

Fixed versions

Vulnerability changelog

Vyper is a Pythonic Smart Contract Language for the ethereum virtual machine. In versions prior to 0.3.4 when a calling an external contract with no return value, the contract address (including side effects) could be evaluated twice. This may result in incorrect outcomes for contracts. This issue has been addressed in v0.3.4. See CVE-2022-29255.


CONFIRM:https://github.com/vyperlang/vyper/security/advisories/GHSA-4v9q-cgpw-cf38: https://github.com/vyperlang/vyper/security/advisories/GHSA-4v9q-cgpw-cf38
MISC:https://github.com/vyperlang/vyper/commit/6b4d8ff185de071252feaa1c319712b2d6577f8d: https://github.com/vyperlang/vyper/commit/6b4d8ff185de071252feaa1c319712b2d6577f8d

Resources

• https://github.com/vyperlang/vyper/security/advisories/GHSA-4v9q-cgpw-cf38
• https://github.com/vyperlang/vyper/commit/6b4d8ff185de071252feaa1c319712b2d6577f8d
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-29255