FKIE_CVE-2017-18342

Vulnerability from fkie_nvd - Published: 2018-06-27 12:29 - Updated: 2024-11-21 03:19
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
In PyYAML before 5.1, the yaml.load() API could execute arbitrary code if used with untrusted data. The load() function has been deprecated in version 5.1 and the 'UnsafeLoader' has been introduced for backward compatibility with the function.
References
cve@mitre.orghttps://github.com/marshmallow-code/apispec/issues/278Third Party Advisory
cve@mitre.orghttps://github.com/yaml/pyyaml/blob/master/CHANGESRelease Notes, Third Party Advisory
cve@mitre.orghttps://github.com/yaml/pyyaml/issues/193Third Party Advisory
cve@mitre.orghttps://github.com/yaml/pyyaml/pull/74Patch, Third Party Advisory
cve@mitre.orghttps://github.com/yaml/pyyaml/wiki/PyYAML-yaml.load%28input%29-Deprecation
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JEX7IPV5P2QJITAMA5Z63GQCZA5I6NVZ/
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KSQQMRUQSXBSUXLCRD3TSZYQ7SEZRKCE/
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M6JCFGEIEOFMWWIXGHSELMKQDD4CV2BA/
cve@mitre.orghttps://security.gentoo.org/glsa/202003-45Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/marshmallow-code/apispec/issues/278Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/yaml/pyyaml/blob/master/CHANGESRelease Notes, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/yaml/pyyaml/issues/193Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/yaml/pyyaml/pull/74Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/yaml/pyyaml/wiki/PyYAML-yaml.load%28input%29-Deprecation
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JEX7IPV5P2QJITAMA5Z63GQCZA5I6NVZ/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KSQQMRUQSXBSUXLCRD3TSZYQ7SEZRKCE/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M6JCFGEIEOFMWWIXGHSELMKQDD4CV2BA/
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202003-45Third Party Advisory
Impacted products
Vendor Product Version
pyyaml pyyaml *
fedoraproject fedora 28
fedoraproject fedora 29
fedoraproject fedora 30
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:pyyaml:pyyaml:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "9B1739DE-EE4C-4F2D-BAFB-1D56C3624D08",
              "versionEndExcluding": "5.1",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
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              "criteria": "cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:*",
              "matchCriteriaId": "DC1BD7B7-6D88-42B8-878E-F1318CA5FCAF",
              "vulnerable": true
            },
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              "matchCriteriaId": "D100F7CE-FC64-4CC6-852A-6136D72DA419",
              "vulnerable": true
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              "matchCriteriaId": "97A4B8DF-58DA-4AB6-A1F9-331B36409BA3",
              "vulnerable": true
            }
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          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In PyYAML before 5.1, the yaml.load() API could execute arbitrary code if used with untrusted data. The load() function has been deprecated in version 5.1 and the \u0027UnsafeLoader\u0027 has been introduced for backward compatibility with the function."
    },
    {
      "lang": "es",
      "value": "En PyYAML en versiones anteriores a 5.1, la API yaml.load () podr\u00eda ejecutar c\u00f3digo arbitrario si se usara con datos no confiables. La funci\u00f3n load () ha quedado en desuso en la versi\u00f3n 5.1 y se ha introducido el \"UnsafeLoader\" para una compatibilidad hacia atr\u00e1s con la funci\u00f3n."
    }
  ],
  "id": "CVE-2017-18342",
  "lastModified": "2024-11-21T03:19:53.020",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": true,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2018-06-27T12:29:00.210",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://github.com/marshmallow-code/apispec/issues/278"
    },
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      ],
      "url": "https://github.com/yaml/pyyaml/blob/master/CHANGES"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
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      ],
      "url": "https://github.com/yaml/pyyaml/issues/193"
    },
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      ],
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    },
    {
      "source": "cve@mitre.org",
      "url": "https://github.com/yaml/pyyaml/wiki/PyYAML-yaml.load%28input%29-Deprecation"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JEX7IPV5P2QJITAMA5Z63GQCZA5I6NVZ/"
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      "source": "cve@mitre.org",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KSQQMRUQSXBSUXLCRD3TSZYQ7SEZRKCE/"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M6JCFGEIEOFMWWIXGHSELMKQDD4CV2BA/"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
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      "url": "https://security.gentoo.org/glsa/202003-45"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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      "url": "https://security.gentoo.org/glsa/202003-45"
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  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-502"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Sightings

Author Source Type Date

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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • 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.