FKIE_CVE-2022-1201

Vulnerability from fkie_nvd - Published: 2022-04-02 08:15 - Updated: 2026-06-17 04:22
Severity
6.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Summary
NULL Pointer Dereference in mrb_vm_exec with super in GitHub repository mruby/mruby prior to 3.2. This vulnerability is capable of making the mruby interpreter crash, thus affecting the availability of the system.
References
security@huntr.devhttps://github.com/mruby/mruby/commit/00acae117da1b45b318dc36531a7b0021b8097aePatch, Third Party Advisory
security@huntr.devhttps://huntr.dev/bounties/6f930add-c9d8-4870-ae56-d4bd8354703bExploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/mruby/mruby/commit/00acae117da1b45b318dc36531a7b0021b8097aePatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://huntr.dev/bounties/6f930add-c9d8-4870-ae56-d4bd8354703bExploit, 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": "NULL Pointer Dereference in mrb_vm_exec with super in GitHub repository mruby/mruby prior to 3.2. This vulnerability is capable of making the mruby interpreter crash, thus affecting the availability of the system."
    },
    {
      "lang": "es",
      "value": "Una desreferencia de puntero nulo en mrb_vm_exec con super en el repositorio GitHub mruby/mruby versiones anteriores a 3.2. Esta vulnerabilidad es capaz de hacer que el int\u00e9rprete de mruby sea bloqueado, afectando as\u00ed la disponibilidad del sistema"
    }
  ],
  "id": "CVE-2022-1201",
  "lastModified": "2026-06-17T04:22:00.193",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 4.9,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 6.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.1,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 2.5,
        "impactScore": 4.0,
        "source": "security@huntr.dev",
        "type": "Secondary"
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.0,
        "impactScore": 4.0,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2022-04-02T08:15:06.913",
  "references": [
    {
      "source": "security@huntr.dev",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/mruby/mruby/commit/00acae117da1b45b318dc36531a7b0021b8097ae"
    },
    {
      "source": "security@huntr.dev",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://huntr.dev/bounties/6f930add-c9d8-4870-ae56-d4bd8354703b"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/mruby/mruby/commit/00acae117da1b45b318dc36531a7b0021b8097ae"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://huntr.dev/bounties/6f930add-c9d8-4870-ae56-d4bd8354703b"
    }
  ],
  "sourceIdentifier": "security@huntr.dev",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ],
      "source": "security@huntr.dev",
      "type": "Secondary"
    }
  ]
}



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