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GHSA-273R-RM8G-7F3X

Vulnerability from github – Published: 2021-12-13 21:33 – Updated: 2021-12-13 20:20
VLAI
Summary
Uncaught Exception in mercurius
Details

Impact

Any users from Mercurius@8.10.0 to 8.11.1 are subjected to a denial of service attack by sending a malformed JSON to /graphql unless they are using a custom error handler.

Patches

The vulnerability has been fixed in https://github.com/mercurius-js/mercurius/pull/678 and shipped as v8.11.2.

Workarounds

Use a custom error handler.

References

See https://github.com/mercurius-js/mercurius/issues/677

For more information

If you have any questions or comments about this advisory: * Open an issue in https://github.com/mercurius-js/mercurius * Email us at hello@matteocollina.com

Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "mercurius"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "8.10.0"
            },
            {
              "fixed": "8.11.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-43801"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-754"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2021-12-13T20:20:28Z",
    "nvd_published_at": "2021-12-13T20:15:00Z",
    "severity": "HIGH"
  },
  "details": "### Impact\n\nAny users from Mercurius@8.10.0 to 8.11.1 are subjected to a denial of service attack by sending a malformed JSON to `/graphql` unless they are using a custom error handler.\n\n### Patches\n\nThe vulnerability has been fixed in https://github.com/mercurius-js/mercurius/pull/678 and shipped as v8.11.2.\n\n### Workarounds\n\nUse a custom error handler.\n\n### References\n\nSee https://github.com/mercurius-js/mercurius/issues/677\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Open an issue in https://github.com/mercurius-js/mercurius\n* Email us at [hello@matteocollina.com](mailto:hello@matteocollina.com)\n",
  "id": "GHSA-273r-rm8g-7f3x",
  "modified": "2021-12-13T20:20:28Z",
  "published": "2021-12-13T21:33:04Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/mercurius-js/mercurius/security/advisories/GHSA-273r-rm8g-7f3x"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-43801"
    },
    {
      "type": "WEB",
      "url": "https://github.com/mercurius-js/mercurius/issues/677"
    },
    {
      "type": "WEB",
      "url": "https://github.com/mercurius-js/mercurius/pull/678/commits/732b2f895312da8deadd7b173dcd2d141d54b223"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/mercurius-js/mercurius"
    }
  ],
  "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": "Uncaught Exception in mercurius"
}



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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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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.
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  • 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.


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