Vulnerabilities > CVE-2023-32675 - Always-Incorrect Control Flow Implementation vulnerability in Vyperlang Vyper

CVSS 5.3 - MEDIUM

Attack vector

NETWORK

Attack complexity

LOW

Privileges required

NONE

Confidentiality impact

NONE

Integrity impact

LOW

Availability impact

NONE

network

low complexity

vyperlang

CWE-670

NVD

Published: 2023-05-19

Updated: 2023-10-26

Summary

Vyper is a pythonic Smart Contract Language for the ethereum virtual machine. In contracts with more than one regular nonpayable function, it is possible to send funds to the default function, even if the default function is marked `nonpayable`. This applies to contracts compiled with vyper versions prior to 0.3.8. This issue was fixed by the removal of the global `calldatasize` check in commit `02339dfda`. Users are advised to upgrade to version 0.3.8. Users unable to upgrade should avoid use of nonpayable default functions.

Vulnerable Configurations

Part	Description	Count
Application	Vyperlang Vyperlang Vyper 0.0.4 Vyperlang Vyper 0.1.0 Vyperlang Vyper 0.2.0 Vyperlang Vyper 0.2.1 Vyperlang Vyper 0.2.2 Vyperlang Vyper 0.2.3 Vyperlang Vyper 0.2.4 Vyperlang Vyper 0.2.5 Vyperlang Vyper 0.2.6 Vyperlang Vyper 0.2.7 Vyperlang Vyper 0.2.8 Vyperlang Vyper 0.2.9 Vyperlang Vyper 0.2.10 Vyperlang Vyper 0.2.11 Vyperlang Vyper 0.2.12 Vyperlang Vyper 0.2.13 Vyperlang Vyper 0.2.14 Vyperlang Vyper 0.2.15 Vyperlang Vyper 0.2.16 Vyperlang Vyper 0.3.0 Vyperlang Vyper 0.3.1 Vyperlang Vyper 0.3.2 Vyperlang Vyper 0.3.3 Vyperlang Vyper 0.3.4 Vyperlang Vyper 0.3.5 Vyperlang Vyper 0.3.6 Vyperlang Vyper 0.3.7	43

Common Weakness Enumeration (CWE)

CWE-670 - Always-Incorrect Control Flow Implementation

Summary

Vulnerable Configurations

Common Weakness Enumeration (CWE)

References