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
Path to vulnerable library: /node_modules/postcss-discard-duplicates/node_modules/postcss/package.json,/node_modules/stylehacks/node_modules/postcss/package.json,/node_modules/postcss-discard-comments/node_modules/postcss/package.json,/node_modules/postcss-calc/node_modules/postcss/package.json,/node_modules/postcss-reduce-transforms/node_modules/postcss/package.json,/node_modules/css-declaration-sorter/node_modules/postcss/package.json,/node_modules/postcss-normalize-url/node_modules/postcss/package.json,/node_modules/postcss-normalize-timing-functions/node_modules/postcss/package.json,/node_modules/postcss-reduce-initial/node_modules/postcss/package.json,/node_modules/postcss-minify-font-values/node_modules/postcss/package.json,/node_modules/postcss-minify-gradients/node_modules/postcss/package.json,/node_modules/postcss-normalize-unicode/node_modules/postcss/package.json,/node_modules/postcss-discard-overridden/node_modules/postcss/package.json,/node_modules/postcss-normalize-charset/node_modules/postcss/package.json,/node_modules/cssnano-preset-default/node_modules/postcss/package.json,/node_modules/postcss-unique-selectors/node_modules/postcss/package.json,/node_modules/postcss-minify-params/node_modules/postcss/package.json,/node_modules/postcss-normalize-repeat-style/node_modules/postcss/package.json,/node_modules/postcss-discard-empty/node_modules/postcss/package.json,/node_modules/postcss-minify-selectors/node_modules/postcss/package.json,/node_modules/postcss-normalize-string/node_modules/postcss/package.json,/node_modules/postcss-colormin/node_modules/postcss/package.json,/node_modules/postcss-ordered-values/node_modules/postcss/package.json,/node_modules/postcss-svgo/node_modules/postcss/package.json,/node_modules/postcss-merge-rules/node_modules/postcss/package.json,/node_modules/cssnano-util-raw-cache/node_modules/postcss/package.json,/node_modules/cssnano/node_modules/postcss/package.json,/node_modules/postcss-normalize-whitespace/node_modules/postcss/package.json,/node_modules/postcss-merge-longhand/node_modules/postcss/package.json,/node_modules/postcss-normalize-positions/node_modules/postcss/package.json,/node_modules/uncss/node_modules/postcss/package.json,/node_modules/parcel-bundler/node_modules/postcss/package.json,/node_modules/postcss-convert-values/node_modules/postcss/package.json,/node_modules/postcss-normalize-display-values/node_modules/postcss/package.json
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=(.*).
CVE-2021-23382 - Medium Severity Vulnerability
Vulnerable Libraries - postcss-6.0.23.tgz, postcss-5.2.5.tgz, postcss-7.0.35.tgz, postcss-7.0.32.tgz, postcss-6.0.1.tgz
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)
postcss-5.2.5.tgz
Tool for transforming styles with JS plugins
Library home page: https://registry.npmjs.org/postcss/-/postcss-5.2.5.tgz
Path to dependency file: /package.json
Path to vulnerable library: /node_modules/postcss/package.json
Dependency Hierarchy: - docpress-0.7.4.tgz (Root Library) - docpress-base-0.7.4.tgz - :x: **postcss-5.2.5.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: /package.json
Path to vulnerable library: /node_modules/postcss-discard-duplicates/node_modules/postcss/package.json,/node_modules/stylehacks/node_modules/postcss/package.json,/node_modules/postcss-discard-comments/node_modules/postcss/package.json,/node_modules/postcss-calc/node_modules/postcss/package.json,/node_modules/postcss-reduce-transforms/node_modules/postcss/package.json,/node_modules/css-declaration-sorter/node_modules/postcss/package.json,/node_modules/postcss-normalize-url/node_modules/postcss/package.json,/node_modules/postcss-normalize-timing-functions/node_modules/postcss/package.json,/node_modules/postcss-reduce-initial/node_modules/postcss/package.json,/node_modules/postcss-minify-font-values/node_modules/postcss/package.json,/node_modules/postcss-minify-gradients/node_modules/postcss/package.json,/node_modules/postcss-normalize-unicode/node_modules/postcss/package.json,/node_modules/postcss-discard-overridden/node_modules/postcss/package.json,/node_modules/postcss-normalize-charset/node_modules/postcss/package.json,/node_modules/cssnano-preset-default/node_modules/postcss/package.json,/node_modules/postcss-unique-selectors/node_modules/postcss/package.json,/node_modules/postcss-minify-params/node_modules/postcss/package.json,/node_modules/postcss-normalize-repeat-style/node_modules/postcss/package.json,/node_modules/postcss-discard-empty/node_modules/postcss/package.json,/node_modules/postcss-minify-selectors/node_modules/postcss/package.json,/node_modules/postcss-normalize-string/node_modules/postcss/package.json,/node_modules/postcss-colormin/node_modules/postcss/package.json,/node_modules/postcss-ordered-values/node_modules/postcss/package.json,/node_modules/postcss-svgo/node_modules/postcss/package.json,/node_modules/postcss-merge-rules/node_modules/postcss/package.json,/node_modules/cssnano-util-raw-cache/node_modules/postcss/package.json,/node_modules/cssnano/node_modules/postcss/package.json,/node_modules/postcss-normalize-whitespace/node_modules/postcss/package.json,/node_modules/postcss-merge-longhand/node_modules/postcss/package.json,/node_modules/postcss-normalize-positions/node_modules/postcss/package.json,/node_modules/uncss/node_modules/postcss/package.json,/node_modules/parcel-bundler/node_modules/postcss/package.json,/node_modules/postcss-convert-values/node_modules/postcss/package.json,/node_modules/postcss-normalize-display-values/node_modules/postcss/package.json
Dependency Hierarchy: - parcel-bundler-1.12.5.tgz (Root Library) - :x: **postcss-7.0.35.tgz** (Vulnerable Library)
postcss-7.0.32.tgz
Tool for transforming styles with JS plugins
Library home page: https://registry.npmjs.org/postcss/-/postcss-7.0.32.tgz
Path to dependency file: /package.json
Path to vulnerable library: /node_modules/purgecss/node_modules/postcss/package.json
Dependency Hierarchy: - parcel-bundler-1.12.5.tgz (Root Library) - htmlnano-0.2.9.tgz - purgecss-2.3.0.tgz - :x: **postcss-7.0.32.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)
Found in HEAD commit: e8304e6335e5d45f5599a6dd9950348f734192b7
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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