CVE-2021-23382 (High) detected in postcss-7.0.14.tgz, postcss-6.0.23.tgz

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

CVE-2021-23382 - High Severity Vulnerability

Vulnerable Libraries - postcss-7.0.14.tgz, postcss-6.0.23.tgz

postcss-7.0.14.tgz

Tool for transforming styles with JS plugins

Library home page: https://registry.npmjs.org/postcss/-/postcss-7.0.14.tgz

Path to dependency file: /site-landing/package.json

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

Dependency Hierarchy: - gatsby-2.3.14.tgz (Root Library) - autoprefixer-9.5.1.tgz - :x: **postcss-7.0.14.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: /site-landing/package.json

Path to vulnerable library: /node_modules/icss-utils/node_modules/postcss/package.json

Dependency Hierarchy: - gatsby-2.3.14.tgz (Root Library) - css-loader-1.0.1.tgz - icss-utils-2.1.0.tgz - :x: **postcss-6.0.23.tgz** (Vulnerable Library)

Found in HEAD commit: bcba8b01c6ab60dc16fa75543eba31b8be7a461e

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): 7.0.36

Direct dependency fix Resolution (gatsby): 3.0.0-reach-router.14

Fix Resolution (postcss): 7.0.36

Direct dependency fix Resolution (gatsby): 3.0.0-reach-router.14

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

:heavy_check_mark: This issue was automatically closed by WhiteSource because the vulnerable library in the specific branch(es) was either marked as ignored or it is no longer part of the WhiteSource inventory.

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

:information_source: This issue was automatically re-opened by Mend because the vulnerable library in the specific branch(es) has been detected in the Mend inventory.