PyPi: Vyper

CVE-2023-32059

Safety vulnerability ID: 58660

This vulnerability was reviewed by experts

The information on this page was manually curated by our Cybersecurity Intelligence Team.

Created at May 11, 2023 Updated at Oct 15, 2024
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Advisory

Vyper 0.3.8 includes a fix for CVE-2023-32059: Prior to version 0.3.8, internal calls with default arguments are compiled incorrectly. Depending on the number of arguments provided in the call, the defaults are added not right-to-left, but left-to-right. If the types are incompatible, typechecking is bypassed. The ability to pass kwargs to internal functions is an undocumented feature that is not well known about.
https://github.com/vyperlang/vyper/security/advisories/GHSA-ph9x-4vc9-m39g

Affected package

vyper

Latest version: 0.4.0

Vyper: the Pythonic Programming Language for the EVM

Affected versions

Fixed versions

Vulnerability changelog

Vyper is a Pythonic smart contract language for the Ethereum virtual machine. Prior to version 0.3.8, internal calls with default arguments are compiled incorrectly. Depending on the number of arguments provided in the call, the defaults are added not right-to-left, but left-to-right. If the types are incompatible, typechecking is bypassed. The ability to pass kwargs to internal functions is an undocumented feature that is not well known about. The issue is patched in version 0.3.8. See CVE-2023-32059.


MISC:https://github.com/vyperlang/vyper/commit/c3e68c302aa6e1429946473769dd1232145822ac: https://github.com/vyperlang/vyper/commit/c3e68c302aa6e1429946473769dd1232145822ac
MISC:https://github.com/vyperlang/vyper/security/advisories/GHSA-ph9x-4vc9-m39g: https://github.com/vyperlang/vyper/security/advisories/GHSA-ph9x-4vc9-m39g

Resources

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Severity Details

CVSS Base Score

HIGH 7.5

CVSS v3 Details

HIGH 7.5
Attack Vector (AV)
NETWORK
Attack Complexity (AC)
LOW
Privileges Required (PR)
NONE
User Interaction (UI)
NONE
Scope (S)
UNCHANGED
Confidentiality Impact (C)
NONE
Integrity Impact (I)
HIGH
Availability Availability (A)
NONE