This affects the package pac-resolver before 5.0.0. This can occur when used with untrusted input, due to unsafe PAC file handling. **NOTE:** The fix for this vulnerability is applied in the node-degenerator library, a dependency written by the same maintainer.
:heavy_check_mark: This issue was automatically closed by Mend because the vulnerable library in the specific branch(es) was either marked as ignored or it is no longer part of the Mend inventory.
CVE-2021-23406 - High Severity Vulnerability
Vulnerable Library - pac-resolver-3.0.0.tgz
Generates an asynchronous resolver function from a PAC file
Library home page: https://registry.npmjs.org/pac-resolver/-/pac-resolver-3.0.0.tgz
Path to dependency file: /reaction/package.json
Path to vulnerable library: /node_modules/pac-resolver/package.json
Dependency Hierarchy: - snyk-1.126.0.tgz (Root Library) - proxy-agent-2.3.1.tgz - pac-proxy-agent-2.0.2.tgz - :x: **pac-resolver-3.0.0.tgz** (Vulnerable Library)
Found in HEAD commit: c3f5e6b9d647cd1f977b184ae9c079f1ae297353
Found in base branch: master
Vulnerability Details
This affects the package pac-resolver before 5.0.0. This can occur when used with untrusted input, due to unsafe PAC file handling. **NOTE:** The fix for this vulnerability is applied in the node-degenerator library, a dependency written by the same maintainer.
Publish Date: 2021-08-24
URL: CVE-2021-23406
CVSS 3 Score Details (9.8)
Base Score Metrics: - Exploitability Metrics: - Attack Vector: Network - Attack Complexity: Low - Privileges Required: None - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: High - Integrity Impact: High - Availability Impact: High
For more information on CVSS3 Scores, click here.Suggested Fix
Type: Upgrade version
Origin: https://github.com/advisories/GHSA-9j49-mfvp-vmhm
Release Date: 2021-08-24
Fix Resolution (pac-resolver): 5.0.0
Direct dependency fix Resolution (snyk): 1.903.0
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