Ecosyste.ms: Advisories

An open API service providing security vulnerability metadata for many open source software ecosystems.

Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTY3NW0tODVydy1qM3c0

Prototype Pollution in just-extend

Versions of just-extend before 4.0.0 are vulnerable to prototype pollution. Provided certain input just-extend can add or modify properties of the Object prototype. These properties will be present on all objects.

Recommendation

Update to version 4.0.0 or later.

Permalink: https://github.com/advisories/GHSA-675m-85rw-j3w4
JSON: https://advisories.ecosyste.ms/api/v1/advisories/MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTY3NW0tODVydy1qM3c0
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Critical
Classification: General
Published: over 5 years ago
Updated: 8 months ago


CVSS Score: 9.8
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Identifiers: GHSA-675m-85rw-j3w4, CVE-2018-16489
References: Blast Radius: 49.5

Affected Packages

npm:just-extend
Dependent packages: 182
Dependent repositories: 112,139
Downloads: 18,490,664 last month
Affected Version Ranges: < 4.0.0
Fixed in: 4.0.0
All affected versions: 1.0.0, 1.1.0, 1.1.1, 1.1.5, 1.1.7, 1.1.8, 1.1.9, 1.1.10, 1.1.15, 1.1.16, 1.1.17, 1.1.18, 1.1.19, 1.1.20, 1.1.21, 1.1.22, 1.1.23, 1.1.24, 1.1.25, 1.1.26, 1.1.27, 2.1.0, 3.0.0
All unaffected versions: 4.0.0, 4.0.1, 4.0.2, 4.1.0, 4.1.1, 4.2.0, 4.2.1, 5.0.0, 5.1.0, 5.1.1, 6.0.0, 6.0.1, 6.1.0, 6.1.1, 6.2.0