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FKIE_CVE-2022-1427

Vulnerability from fkie_nvd - Published: 2022-04-23 00:15 - Updated: 2026-06-17 04:22
Severity
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
Out-of-bounds Read in mrb_obj_is_kind_of in in GitHub repository mruby/mruby prior to 3.2. # Impact: Possible arbitrary code execution if being exploited.
References
security@huntr.devhttps://github.com/mruby/mruby/commit/a4d97934d51cb88954cc49161dc1d151f64afb6bPatch, Third Party Advisory
security@huntr.devhttps://huntr.dev/bounties/23b6f0a9-64f5-421e-a55f-b5b7a671f301Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/mruby/mruby/commit/a4d97934d51cb88954cc49161dc1d151f64afb6bPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://huntr.dev/bounties/23b6f0a9-64f5-421e-a55f-b5b7a671f301Exploit, Third Party Advisory
Impacted products
Vendor Product Version
mruby mruby *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "mruby/mruby",
          "vendor": "mruby",
          "versions": [
            {
              "lessThan": "3.2",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "security@huntr.dev"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:mruby:mruby:*:*:*:*:*:ruby:*:*",
              "matchCriteriaId": "06675FE5-5447-4119-A745-41627A5B4770",
              "versionEndExcluding": "3.2",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Out-of-bounds Read in mrb_obj_is_kind_of in in GitHub repository mruby/mruby prior to 3.2. # Impact: Possible arbitrary code execution if being exploited."
    },
    {
      "lang": "es",
      "value": "Una Lectura Fuera de L\u00edmites en la funci\u00f3n mrb_obj_is_kind_of en el repositorio de GitHub mruby/mruby versiones anteriores a 3.2. # Impacto: Posible ejecuci\u00f3n de c\u00f3digo arbitrario si es explotado"
    }
  ],
  "id": "CVE-2022-1427",
  "lastModified": "2026-06-17T04:22:26.030",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.6,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.7,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 2.5,
        "impactScore": 5.2,
        "source": "security@huntr.dev",
        "type": "Secondary"
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2022-04-23T00:15:08.167",
  "references": [
    {
      "source": "security@huntr.dev",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/mruby/mruby/commit/a4d97934d51cb88954cc49161dc1d151f64afb6b"
    },
    {
      "source": "security@huntr.dev",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://huntr.dev/bounties/23b6f0a9-64f5-421e-a55f-b5b7a671f301"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/mruby/mruby/commit/a4d97934d51cb88954cc49161dc1d151f64afb6b"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://huntr.dev/bounties/23b6f0a9-64f5-421e-a55f-b5b7a671f301"
    }
  ],
  "sourceIdentifier": "security@huntr.dev",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ],
      "source": "security@huntr.dev",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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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

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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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  • 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.


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