FKIE_CVE-2020-36429

Vulnerability from fkie_nvd - Published: 2021-07-20 07:15 - Updated: 2024-11-21 05:29
Severity
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
Variant_encodeJson in open62541 1.x before 1.0.4 has an out-of-bounds write for a large recursion depth.
References
cve@mitre.orghttps://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20578Patch, Third Party Advisory
cve@mitre.orghttps://github.com/google/oss-fuzz-vulns/blob/main/vulns/open62541/OSV-2020-153.yamlThird Party Advisory
cve@mitre.orghttps://github.com/open62541/open62541/commit/c800e2987b10bb3af6ef644b515b5d6392f8861dPatch, Third Party Advisory
cve@mitre.orghttps://github.com/open62541/open62541/compare/v1.0.3...v1.0.4Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20578Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/google/oss-fuzz-vulns/blob/main/vulns/open62541/OSV-2020-153.yamlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/open62541/open62541/commit/c800e2987b10bb3af6ef644b515b5d6392f8861dPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/open62541/open62541/compare/v1.0.3...v1.0.4Patch, Third Party Advisory
Impacted products
Vendor Product Version
open62541 open62541 *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:open62541:open62541:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "E4D8D5D0-EEF1-4B54-9F8C-568F21CEA354",
              "versionEndExcluding": "1.0.4",
              "versionStartIncluding": "1.0.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Variant_encodeJson in open62541 1.x before 1.0.4 has an out-of-bounds write for a large recursion depth."
    },
    {
      "lang": "es",
      "value": "Una funci\u00f3n Variant_encodeJson en open62541 versiones 1.x anteriores a 1.0.4, presenta una escritura fuera de l\u00edmites para una gran recursi\u00f3n depth"
    }
  ],
  "id": "CVE-2020-36429",
  "lastModified": "2024-11-21T05:29:29.450",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 2.1,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-07-20T07:15:07.773",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20578"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://github.com/google/oss-fuzz-vulns/blob/main/vulns/open62541/OSV-2020-153.yaml"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/open62541/open62541/commit/c800e2987b10bb3af6ef644b515b5d6392f8861d"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/open62541/open62541/compare/v1.0.3...v1.0.4"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20578"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://github.com/google/oss-fuzz-vulns/blob/main/vulns/open62541/OSV-2020-153.yaml"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/open62541/open62541/commit/c800e2987b10bb3af6ef644b515b5d6392f8861d"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/open62541/open62541/compare/v1.0.3...v1.0.4"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ],
      "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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  • 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.