CVE-2021-3807 (High) detected in multiple libraries

[mend-for-github-com[bot]]

CVE-2021-3807 - High Severity Vulnerability

Vulnerable Libraries - ansi-regex-3.0.0.tgz, ansi-regex-4.1.0.tgz, ansi-regex-5.0.0.tgz

ansi-regex-3.0.0.tgz

Regular expression for matching ANSI escape codes

Library home page: https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz

Path to dependency file: /package.json

Path to vulnerable library: /node_modules/webpack-dev-server/node_modules/cliui/node_modules/ansi-regex/package.json,/node_modules/webpack-dev-server/node_modules/string-width/node_modules/ansi-regex/package.json,/node_modules/string-length/node_modules/ansi-regex/package.json

Dependency Hierarchy: - react-scripts-3.4.0.tgz (Root Library) - webpack-dev-server-3.10.2.tgz - yargs-12.0.5.tgz - string-width-2.1.1.tgz - strip-ansi-4.0.0.tgz - :x: **ansi-regex-3.0.0.tgz** (Vulnerable Library)

ansi-regex-4.1.0.tgz

Regular expression for matching ANSI escape codes

Library home page: https://registry.npmjs.org/ansi-regex/-/ansi-regex-4.1.0.tgz

Path to dependency file: /package.json

Path to vulnerable library: /node_modules/react-dev-utils/node_modules/ansi-regex/package.json,/node_modules/pretty-format/node_modules/ansi-regex/package.json,/node_modules/strip-ansi/node_modules/ansi-regex/package.json

Dependency Hierarchy: - react-scripts-3.4.0.tgz (Root Library) - jest-24.9.0.tgz - jest-cli-24.9.0.tgz - jest-validate-24.9.0.tgz - pretty-format-24.9.0.tgz - :x: **ansi-regex-4.1.0.tgz** (Vulnerable Library)

ansi-regex-5.0.0.tgz

Regular expression for matching ANSI escape codes

Library home page: https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.0.tgz

Path to dependency file: /package.json

Path to vulnerable library: /node_modules/ansi-regex/package.json,/node_modules/react-dev-utils/node_modules/strip-ansi/node_modules/ansi-regex/package.json

Dependency Hierarchy: - react-scripts-3.4.0.tgz (Root Library) - react-dev-utils-10.2.1.tgz - strip-ansi-6.0.0.tgz - :x: **ansi-regex-5.0.0.tgz** (Vulnerable Library)

Found in HEAD commit: 340e24f4064182631ba657b42580dbb0476e3b94

Found in base branch: master

Vulnerability Details

ansi-regex is vulnerable to Inefficient Regular Expression Complexity

Publish Date: 2021-09-17

URL: CVE-2021-3807

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://huntr.dev/bounties/5b3cf33b-ede0-4398-9974-800876dfd994/

Release Date: 2021-09-17

Fix Resolution (ansi-regex): 3.0.1

Direct dependency fix Resolution (react-scripts): 3.4.1

Fix Resolution (ansi-regex): 4.1.1

Direct dependency fix Resolution (react-scripts): 5.0.0

Fix Resolution (ansi-regex): 5.0.1

Direct dependency fix Resolution (react-scripts): 3.4.1

---

• [ ] Check this box to open an automated fix PR