GHSA-952p-6rrq-rcjv

Suggest an improvement
Source
https://github.com/advisories/GHSA-952p-6rrq-rcjv
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2024/05/GHSA-952p-6rrq-rcjv/GHSA-952p-6rrq-rcjv.json
JSON Data
https://api.osv.dev/v1/vulns/GHSA-952p-6rrq-rcjv
Aliases
Related
Published
2024-05-14T18:30:54Z
Modified
2024-08-28T13:12:26Z
Severity
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CVSS Calculator
Summary
Regular Expression Denial of Service (ReDoS) in micromatch
Details

The NPM package micromatch prior to version 4.0.8 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 persisted prior to https://github.com/micromatch/micromatch/pull/266. This issue should be mitigated by using a safe pattern that won't start backtracking the regular expression due to greedy matching.

Database specific 
{
    "nvd_published_at": "2024-05-14T15:42:47Z",
    "cwe_ids": [
        "CWE-1333"
    ],
    "severity": "MODERATE",
    "github_reviewed": true,
    "github_reviewed_at": "2024-08-21T22:58:52Z"
}
References

Affected packages

npm / micromatch

Package

Name
micromatch
View open source insights on deps.dev
Purl
pkg:npm/micromatch

Affected ranges

Type
SEMVER
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.0.8