Description
Vyper is a pythonic Smart Contract Language for the ethereum virtual machine. When using the built-in `extract32(b, start)`, if the `start` index provided has for side effect to update `b`, the byte array to extract `32` bytes from, it could be that some dirty memory is read and returned by `extract32`. This vulnerability is fixed in 0.4.0.
Published: 2024-02-26
Score: 3.7 Low
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2024-0181 Vyper is a pythonic Smart Contract Language for the ethereum virtual machine. When using the built-in `extract32(b, start)`, if the `start` index provided has for side effect to update `b`, the byte array to extract `32` bytes from, it could be that some dirty memory is read and returned by `extract32`. This vulnerability is fixed in 0.4.0.
Github GHSA Github GHSA GHSA-4hwq-4cpm-8vmx Vyper's `extract32` can ready dirty memory
History

Thu, 16 Jan 2025 20:00:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:vyperlang:vyper:*:*:*:*:*:python:*:*

Wed, 09 Oct 2024 20:15:00 +0000

Type Values Removed Values Added
First Time appeared Vyperlang
Vyperlang vyper
CPEs cpe:2.3:a:vyperlang:vyper:*:*:*:*:*:*:*:*
Vendors & Products Vyperlang
Vyperlang vyper
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 09 Oct 2024 19:45:00 +0000

Type Values Removed Values Added
Description Vyper is a pythonic Smart Contract Language for the ethereum virtual machine. When using the built-in `extract32(b, start)`, if the `start` index provided has for side effect to update `b`, the byte array to extract `32` bytes from, it could be that some dirty memory is read and returned by `extract32`. This vulnerability affects 0.3.10 and earlier versions. Vyper is a pythonic Smart Contract Language for the ethereum virtual machine. When using the built-in `extract32(b, start)`, if the `start` index provided has for side effect to update `b`, the byte array to extract `32` bytes from, it could be that some dirty memory is read and returned by `extract32`. This vulnerability is fixed in 0.4.0.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2024-10-25T20:33:03.845Z

Reserved: 2024-01-25T15:09:40.209Z

Link: CVE-2024-24564

cve-icon Vulnrichment

Updated: 2024-08-01T23:19:52.913Z

cve-icon NVD

Status : Analyzed

Published: 2024-02-26T20:19:05.627

Modified: 2025-01-16T19:34:13.567

Link: CVE-2024-24564

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses