lodash node module before 4.17.5 suffers from a Modification of Assumed-Immutable Data (MAID) vulnerability via defaultsDeep, merge, and mergeWith functions, which allows a malicious user to modify the prototype of "Object" via __proto__, causing the addition or modification of an existing property that will exist on all objects.
CVE-2018-3721 - Medium Severity Vulnerability
Vulnerable Library - lodash-3.10.1.tgz
The modern build of lodash modular utilities.
Library home page: https://registry.npmjs.org/lodash/-/lodash-3.10.1.tgz
Path to dependency file: node-loggly-bulk/package.json
Path to vulnerable library: node-loggly-bulk/node_modules/lodash/package.json
Dependency Hierarchy: - nock-7.2.2.tgz (Root Library) - :x: **lodash-3.10.1.tgz** (Vulnerable Library)
Found in HEAD commit: cfd27fcc7d0cb76d62455da360cf0f9247ff6758
Found in base branch: master
Vulnerability Details
lodash node module before 4.17.5 suffers from a Modification of Assumed-Immutable Data (MAID) vulnerability via defaultsDeep, merge, and mergeWith functions, which allows a malicious user to modify the prototype of "Object" via __proto__, causing the addition or modification of an existing property that will exist on all objects.
Publish Date: 2018-06-07
URL: CVE-2018-3721
CVSS 3 Score Details (6.5)
Base Score Metrics: - Exploitability Metrics: - Attack Vector: Network - Attack Complexity: Low - Privileges Required: Low - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: None - Integrity Impact: High - Availability Impact: None
For more information on CVSS3 Scores, click here.Suggested Fix
Type: Upgrade version
Origin: https://nvd.nist.gov/vuln/detail/CVE-2018-3721
Release Date: 2018-06-07
Fix Resolution: 4.17.5