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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.
mend-bolt-for-githubbot
changed the title
CVE-2024-4067 (Medium) detected in micromatch-4.0.5.tgz
CVE-2024-4067 (High) detected in micromatch-4.0.5.tgz
May 14, 2024
mend-bolt-for-githubbot
changed the title
CVE-2024-4067 (High) detected in micromatch-4.0.5.tgz
CVE-2024-4067 (Medium) detected in micromatch-4.0.5.tgz
May 22, 2024
CVE-2024-4067 - Medium Severity Vulnerability
Vulnerable Library - micromatch-4.0.5.tgz
Glob matching for javascript/node.js. A replacement and faster alternative to minimatch and multimatch.
Library home page: https://registry.npmjs.org/micromatch/-/micromatch-4.0.5.tgz
Path to dependency file: /ui/package.json
Path to vulnerable library: /ui/package.json
Dependency Hierarchy:
Found in HEAD commit: b3ac62d12e3d43994ff7ad836e34da801ed665fb
Found in base branch: master
Vulnerability Details
The NPM package
micromatch
is vulnerable to Regular Expression Denial of Service (ReDoS). The vulnerability occurs inmicromatch.braces()
inindex.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
CVSS 3 Score Details (5.3)
Base Score Metrics:
Suggested Fix
Type: Upgrade version
Release Date: 2024-05-14
Fix Resolution: micromatch - 4.0.6
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