CVE-2024-4067 (GCVE-0-2024-4067)

Vulnerability from cvelistv5 – Published: 2024-05-13 10:04 – Updated: 2024-09-17 19:47
VLAI
Title
Regular Expression Denial of Service in micromatch
Summary
The NPM package `micromatch` prior to 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 persists. This issue should be mitigated by using a safe pattern that won't start backtracking the regular expression due to greedy matching. This issue was fixed in version 4.0.8.
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-1333 - Inefficient Regular Expression Complexity
Assigner
References
Impacted products
Vendor Product Version
micromatch micromatch Affected: 0 , < 4.0.8 (cpe)
Unaffected: 4.0.8 (cpe)
Create a notification for this product.
Date Public
2024-05-13 12:44
Credits
Mário Teixeira, Checkmarx Research Group
Show details on NVD website
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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\u0027t 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\u0027t start backtracking the regular expression due to greedy matching. This issue was fixed in version 4.0.8.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cspan style=\\\"background-color: rgb(255, 255, 255);\\\"\u003eThe NPM package `micromatch` prior to 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\u0027t 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\u0027t start backtracking the regular expression due to greedy matching. This issue was fixed in version 4.0.8.\u003c/span\u003e\u003cbr\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-1333\", \"description\": \"CWE-1333: Inefficient Regular Expression Complexity\"}]}], \"providerMetadata\": {\"orgId\": \"596c5446-0ce5-4ba2-aa66-48b3b757a647\", \"shortName\": \"Checkmarx\", \"dateUpdated\": \"2024-08-27T23:25:14.519Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-4067\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-09-17T19:47:41.783Z\", \"dateReserved\": \"2024-04-23T13:31:13.656Z\", \"assignerOrgId\": \"596c5446-0ce5-4ba2-aa66-48b3b757a647\", \"datePublished\": \"2024-05-13T10:04:42.886Z\", \"assignerShortName\": \"Checkmarx\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.