CVE-2021-23382 (Medium) detected in postcss-5.2.18.tgz, postcss-7.0.35.tgz

[mend-bolt-for-github]

CVE-2021-23382 - Medium Severity Vulnerability

Vulnerable Libraries - postcss-5.2.18.tgz, postcss-7.0.35.tgz

postcss-5.2.18.tgz

Tool for transforming styles with JS plugins

Library home page: https://registry.npmjs.org/postcss/-/postcss-5.2.18.tgz

Path to dependency file: mws-restaurant-stage-1/package.json

Path to vulnerable library: mws-restaurant-stage-1/node_modules/postcss-reduce-transforms/node_modules/postcss/package.json,mws-restaurant-stage-1/node_modules/postcss-colormin/node_modules/postcss/package.json,mws-restaurant-stage-1/node_modules/postcss-merge-idents/node_modules/postcss/package.json,mws-restaurant-stage-1/node_modules/postcss-calc/node_modules/postcss/package.json,mws-restaurant-stage-1/node_modules/postcss-zindex/node_modules/postcss/package.json,mws-restaurant-stage-1/node_modules/postcss-unique-selectors/node_modules/postcss/package.json,mws-restaurant-stage-1/node_modules/postcss-discard-overridden/node_modules/postcss/package.json,mws-restaurant-stage-1/node_modules/postcss-filter-plugins/node_modules/postcss/package.json,mws-restaurant-stage-1/node_modules/cssnano/node_modules/postcss/package.json,mws-restaurant-stage-1/node_modules/postcss-discard-duplicates/node_modules/postcss/package.json,mws-restaurant-stage-1/node_modules/postcss-minify-params/node_modules/postcss/package.json,mws-restaurant-stage-1/node_modules/postcss-minify-font-values/node_modules/postcss/package.json,mws-restaurant-stage-1/node_modules/postcss-merge-rules/node_modules/postcss/package.json,mws-restaurant-stage-1/node_modules/postcss-ordered-values/node_modules/postcss/package.json,mws-restaurant-stage-1/node_modules/postcss-reduce-initial/node_modules/postcss/package.json,mws-restaurant-stage-1/node_modules/postcss-minify-selectors/node_modules/postcss/package.json,mws-restaurant-stage-1/node_modules/postcss-convert-values/node_modules/postcss/package.json,mws-restaurant-stage-1/node_modules/postcss-discard-empty/node_modules/postcss/package.json,mws-restaurant-stage-1/node_modules/postcss-discard-comments/node_modules/postcss/package.json,mws-restaurant-stage-1/node_modules/postcss-normalize-charset/node_modules/postcss/package.json,mws-restaurant-stage-1/node_modules/postcss-discard-unused/node_modules/postcss/package.json,mws-restaurant-stage-1/node_modules/postcss-normalize-url/node_modules/postcss/package.json,mws-restaurant-stage-1/node_modules/postcss-merge-longhand/node_modules/postcss/package.json,mws-restaurant-stage-1/node_modules/postcss-svgo/node_modules/postcss/package.json,mws-restaurant-stage-1/node_modules/postcss-reduce-idents/node_modules/postcss/package.json,mws-restaurant-stage-1/node_modules/postcss-minify-gradients/node_modules/postcss/package.json

Dependency Hierarchy:

• gulp-cssnano-2.1.3.tgz (Root Library)
  • cssnano-3.10.0.tgz
    • postcss-convert-values-2.6.1.tgz
      • ❌ postcss-5.2.18.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: mws-restaurant-stage-1/package.json

Path to vulnerable library: mws-restaurant-stage-1/node_modules/postcss/package.json

Dependency Hierarchy:

• gulp-autoprefixer-7.0.1.tgz (Root Library)
  • ❌ postcss-7.0.35.tgz (Vulnerable Library)

Found in HEAD commit: e2dde5f3afe23a1b7f6c9aa592927b2b79aea76f

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

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