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The NPM package `micromatch` is vulnerable to Regular Expression Denial of Service (ReDoS). The vulnerability occurs in `micromatch.braces()` in `index.js` because the pattern `.*` will greedily match anything. By passing a malicious payload, the pattern matching will keep backtracking to the input while it doesn't find the closing bracket. As the input size increases, the consumption time will also increase until it causes the application to hang or slow down. There was a merged fix but further testing shows the issue persists. This issue should be mitigated by using a safe pattern that won't start backtracking the regular expression due to greedy matching.
Mend Note: After conducting a further research, it was concluded that CVE-2024-4067 does not contain a high security risk that reflects the NVD score, but should be kept for users' awareness. Users of micromatch should follow the fix recommendation as noted.
CVE-2024-4067 - Medium Severity Vulnerability
micromatch-2.3.11.tgz
Glob matching for javascript/node.js. A drop-in replacement and faster alternative to minimatch and multimatch.
Library home page: https://registry.npmjs.org/micromatch/-/micromatch-2.3.11.tgz
Path to dependency file: /package.json
Path to vulnerable library: /node_modules/micromatch/package.json
Dependency Hierarchy: - jest-21.2.1.tgz (Root Library) - jest-cli-21.2.1.tgz - :x: **micromatch-2.3.11.tgz** (Vulnerable Library)
micromatch-3.1.10.tgz
Glob matching for javascript/node.js. A drop-in replacement and faster alternative to minimatch and multimatch.
Library home page: https://registry.npmjs.org/micromatch/-/micromatch-3.1.10.tgz
Path to dependency file: /package.json
Path to vulnerable library: /node_modules/sane/node_modules/micromatch/package.json,/node_modules/anymatch/node_modules/micromatch/package.json
Dependency Hierarchy: - jest-21.2.1.tgz (Root Library) - jest-cli-21.2.1.tgz - jest-haste-map-21.2.0.tgz - sane-2.5.2.tgz - :x: **micromatch-3.1.10.tgz** (Vulnerable Library)
Found in base branch: stable
The NPM package `micromatch` is vulnerable to Regular Expression Denial of Service (ReDoS). The vulnerability occurs in `micromatch.braces()` in `index.js` because the pattern `.*` will greedily match anything. By passing a malicious payload, the pattern matching will keep backtracking to the input while it doesn't find the closing bracket. As the input size increases, the consumption time will also increase until it causes the application to hang or slow down. There was a merged fix but further testing shows the issue persists. This issue should be mitigated by using a safe pattern that won't start backtracking the regular expression due to greedy matching. Mend Note: After conducting a further research, it was concluded that CVE-2024-4067 does not contain a high security risk that reflects the NVD score, but should be kept for users' awareness. Users of micromatch should follow the fix recommendation as noted.
Publish Date: 2024-05-14
URL: CVE-2024-4067
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.Type: Upgrade version
Release Date: 2024-05-14
Fix Resolution (micromatch): 4.0.6
Direct dependency fix Resolution (jest): 27.0.0
Fix Resolution (micromatch): 4.0.6
Direct dependency fix Resolution (jest): 27.0.0
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