CVE-2021-23382 (Medium) detected in postcss-8.1.7.tgz, postcss-7.0.35.tgz

[mend-bolt-for-github[bot]]

CVE-2021-23382 - Medium Severity Vulnerability

Vulnerable Libraries - postcss-8.1.7.tgz, postcss-7.0.35.tgz

postcss-8.1.7.tgz

Tool for transforming styles with JS plugins

Library home page: https://registry.npmjs.org/postcss/-/postcss-8.1.7.tgz

Path to dependency file: electron-foundation/package.json

Path to vulnerable library: electron-foundation/node_modules/postcss

Dependency Hierarchy: - css-loader-5.0.1.tgz (Root Library) - :x: **postcss-8.1.7.tgz** (Vulnerable Library)

postcss-7.0.35.tgz

Tool for transforming styles with JS plugins

Library home page: https://registry.npmjs.org/postcss/-/postcss-7.0.35.tgz

Path to dependency file: electron-foundation/package.json

Path to vulnerable library: electron-foundation/node_modules/postcss

Dependency Hierarchy: - css-minimizer-webpack-plugin-1.1.5.tgz (Root Library) - cssnano-4.1.10.tgz - :x: **postcss-7.0.35.tgz** (Vulnerable Library)

Found in HEAD commit: 8576c4d5f73b0fff760cc2678c9d1e3c5e5bf092

Found in base branch: master

Vulnerability Details

The package postcss before 8.2.13 are vulnerable to Regular Expression Denial of Service (ReDoS) via getAnnotationURL() and loadAnnotation() in lib/previous-map.js. The vulnerable regexes are caused mainly by the sub-pattern \/\*\s* sourceMappingURL=(.*).

Publish Date: 2021-04-26

URL: CVE-2021-23382

CVSS 3 Score Details (5.3)

Base Score Metrics: - Exploitability Metrics: - Attack Vector: Network - Attack Complexity: Low - Privileges Required: None - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: None - Integrity Impact: None - Availability Impact: Low

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23382

Release Date: 2021-04-26

Fix Resolution: postcss - 8.2.13

---

Step up your Open Source Security Game with WhiteSource here