CVE-2022-29255
Multiple evaluation of contract address in call in vyper
Severity Score
7.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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.
Vyper es un Lenguaje de Contratos Inteligentes de Python para la máquina virtual de Ethereum. En versiones anteriores a 0.3.4, cuando es llamado a un contrato externo sin valor de retorno, la dirección del contrato (incluyendo los efectos secundarios) podía ser evaluada dos veces. Esto podía resultar en respuestas incorrectas para los contratos. Este problema ha sido abordado en versión 0.3.4
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
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User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2022-04-13 CVE Reserved
- 2022-06-06 CVE Published
- 2023-12-28 EPSS Updated
- 2024-08-03 CVE Updated
- 2024-08-03 First Exploit
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-670: Always-Incorrect Control Flow Implementation
CAPEC
References (2)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|---|---|
| https://github.com/vyperlang/vyper/security/advisories/GHSA-4v9q-cgpw-cf38 | 2024-08-03 |
| URL | Date | SRC |
|---|---|---|
| https://github.com/vyperlang/vyper/commit/6b4d8ff185de071252feaa1c319712b2d6577f8d | 2023-08-02 |
| URL | Date | SRC |
|---|