GHSA-9849-P7JC-9RMV

Vulnerability from github – Published: 2023-06-22 19:58 – Updated: 2023-06-22 19:58
VLAI
Summary
org.nokogiri:nekohtml vulnerable to Uncontrolled Resource Consumption
Details

Summary

The fork of org.cyberneko.html used by Nokogiri (Rubygem) raises a java.lang.OutOfMemoryError exception when parsing ill-formed HTML markup.

Severity

The maintainers have evaluated this as High Severity 7.5 (CVSS3.1).

Mitigation

Upgrade to >= 1.9.22.noko2.

Credit

This vulnerability was reported by 이형관 (windshock).

References

CWE-400 Uncontrolled Resource Consumption

Notes

The upstream library org.cyberneko.html is no longer maintained. Nokogiri uses its own fork of this library located at https://github.com/sparklemotion/nekohtml and this CVE applies only to that fork. Other forks of nekohtml may have a similar vulnerability.

Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Show details on source website
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{
  "affected": [
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.nokogiri:nekohtml"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.9.22.noko2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2022-24839"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-400"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-06-22T19:58:54Z",
    "nvd_published_at": "2022-04-11T22:15:07Z",
    "severity": "HIGH"
  },
  "details": "## Summary\n\nThe fork of `org.cyberneko.html` used by Nokogiri (Rubygem) raises a `java.lang.OutOfMemoryError` exception when parsing ill-formed HTML markup.\n\n## Severity\n\nThe maintainers have evaluated this as [**High Severity** 7.5 (CVSS3.1)](https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).\n\n## Mitigation\n\nUpgrade to `\u003e= 1.9.22.noko2`.\n\n## Credit\n\nThis vulnerability was reported by [\uc774\ud615\uad00 (windshock)](https://www.linkedin.com/in/windshock/).\n\n## References\n\n[CWE-400](https://cwe.mitre.org/data/definitions/400.html) Uncontrolled Resource Consumption\n\n## Notes\n\nThe upstream library `org.cyberneko.html` is no longer maintained. Nokogiri uses its own fork of this library located at https://github.com/sparklemotion/nekohtml and this CVE applies only to that fork. Other forks of nekohtml may have a similar vulnerability.\n",
  "id": "GHSA-9849-p7jc-9rmv",
  "modified": "2023-06-22T19:58:54Z",
  "published": "2023-06-22T19:58:54Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/sparklemotion/nekohtml/security/advisories/GHSA-9849-p7jc-9rmv"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-24839"
    },
    {
      "type": "WEB",
      "url": "https://github.com/sparklemotion/nekohtml/commit/a800fce3b079def130ed42a408ff1d09f89e773d"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/sparklemotion/nekohtml"
    },
    {
      "type": "WEB",
      "url": "https://www.oracle.com/security-alerts/cpujul2022.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "org.nokogiri:nekohtml vulnerable to Uncontrolled Resource Consumption"
}



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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.

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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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