Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Vyperlang | Vyper | < 0.3.4 |
Related Weaknesses (CWE)
References
- https://github.com/vyperlang/vyper/commit/6b4d8ff185de071252feaa1c319712b2d6577fPatchThird Party Advisory
- https://github.com/vyperlang/vyper/security/advisories/GHSA-4v9q-cgpw-cf38ExploitMitigationThird Party Advisory
- https://github.com/vyperlang/vyper/commit/6b4d8ff185de071252feaa1c319712b2d6577fPatchThird Party Advisory
- https://github.com/vyperlang/vyper/security/advisories/GHSA-4v9q-cgpw-cf38ExploitMitigationThird Party Advisory
FAQ
What is CVE-2022-29255?
CVE-2022-29255 is a vulnerability with a CVSS score of 8.2 (HIGH). 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 ...
How severe is CVE-2022-29255?
CVE-2022-29255 has been rated HIGH with a CVSS base score of 8.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-29255?
Check the references section above for vendor advisories and patch information. Affected products include: Vyperlang Vyper.