CVE-2021-23382 (High) detected in multiple libraries

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

CVE-2021-23382 - High Severity Vulnerability

Vulnerable Libraries - postcss-7.0.27.tgz, postcss-6.0.1.tgz, postcss-6.0.23.tgz

postcss-7.0.27.tgz

Tool for transforming styles with JS plugins

Library home page: https://registry.npmjs.org/postcss/-/postcss-7.0.27.tgz

Path to dependency file: /package.json

Path to vulnerable library: /node_modules/postcss/package.json

Dependency Hierarchy: - parcel-bundler-1.12.5.tgz (Root Library) - :x: **postcss-7.0.27.tgz** (Vulnerable Library)

postcss-6.0.1.tgz

Tool for transforming styles with JS plugins

Library home page: https://registry.npmjs.org/postcss/-/postcss-6.0.1.tgz

Path to dependency file: /package.json

Path to vulnerable library: /node_modules/css-modules-loader-core/node_modules/postcss/package.json

Dependency Hierarchy: - parcel-bundler-1.12.5.tgz (Root Library) - css-modules-loader-core-1.1.0.tgz - :x: **postcss-6.0.1.tgz** (Vulnerable Library)

postcss-6.0.23.tgz

Tool for transforming styles with JS plugins

Library home page: https://registry.npmjs.org/postcss/-/postcss-6.0.23.tgz

Path to dependency file: /package.json

Path to vulnerable library: /node_modules/postcss-modules-scope/node_modules/postcss/package.json,/node_modules/postcss-modules-local-by-default/node_modules/postcss/package.json,/node_modules/postcss-modules-values/node_modules/postcss/package.json,/node_modules/postcss-modules-extract-imports/node_modules/postcss/package.json

Dependency Hierarchy: - parcel-bundler-1.12.5.tgz (Root Library) - css-modules-loader-core-1.1.0.tgz - postcss-modules-extract-imports-1.1.0.tgz - :x: **postcss-6.0.23.tgz** (Vulnerable Library)

Found in HEAD commit: cbeee71a7c7f59c53517436979e0634d9b2a7174

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 (7.5)

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: High

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

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