Vulnerability Details : CVE-2022-29255
Potential exploit
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.
Products affected by CVE-2022-29255
- cpe:2.3:a:vyperlang:vyper:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-29255
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 19 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-29255
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:P/A:N |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
3.9
|
3.6
|
NIST | |
|
8.2
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L |
3.9
|
4.2
|
GitHub, Inc. |
CWE ids for CVE-2022-29255
-
The code contains a control flow path that does not reflect the algorithm that the path is intended to implement, leading to incorrect behavior any time this path is navigated.Assigned by:
- nvd@nist.gov (Primary)
- security-advisories@github.com (Secondary)
References for CVE-2022-29255
-
https://github.com/vyperlang/vyper/security/advisories/GHSA-4v9q-cgpw-cf38
multiple evaluation of contract address in call · Advisory · vyperlang/vyper · GitHubExploit;Mitigation;Third Party Advisory
-
https://github.com/vyperlang/vyper/commit/6b4d8ff185de071252feaa1c319712b2d6577f8d
Merge pull request from GHSA-4v9q-cgpw-cf38 · vyperlang/vyper@6b4d8ff · GitHubPatch;Third Party Advisory
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