FKIE_CVE-2018-9275

Vulnerability from fkie_nvd - Published: 2018-04-04 18:29 - Updated: 2024-11-21 04:15
Severity ?
8.2 (High) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Summary
In check_user_token in util.c in the Yubico PAM module (aka pam_yubico) 2.18 through 2.25, successful logins can leak file descriptors to the auth mapping file, which can lead to information disclosure (serial number of a device) and/or DoS (reaching the maximum number of file descriptors).
References
cve@mitre.orghttps://bugzilla.opensuse.org/show_bug.cgi?id=1088027Issue Tracking, Third Party Advisory
cve@mitre.orghttps://github.com/Yubico/yubico-pam/commit/0f6ceabab0a8849b47f67d727aa526c2656089baPatch
cve@mitre.orghttps://github.com/Yubico/yubico-pam/issues/136Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.opensuse.org/show_bug.cgi?id=1088027Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/Yubico/yubico-pam/commit/0f6ceabab0a8849b47f67d727aa526c2656089baPatch
af854a3a-2127-422b-91ae-364da2661108https://github.com/Yubico/yubico-pam/issues/136Issue Tracking, Third Party Advisory
Impacted products
Vendor Product Version
yubico yubico_pam *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:yubico:yubico_pam:*:*:*:*:*:yubico:*:*",
              "matchCriteriaId": "2D66C6C0-64A8-44DF-A65E-1F17F4C98839",
              "versionEndIncluding": "2.25",
              "versionStartIncluding": "2.18",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In check_user_token in util.c in the Yubico PAM module (aka pam_yubico) 2.18 through 2.25, successful logins can leak file descriptors to the auth mapping file, which can lead to information disclosure (serial number of a device) and/or DoS (reaching the maximum number of file descriptors)."
    },
    {
      "lang": "es",
      "value": "En check_user_token en util.c en el m\u00f3dulo Yubico PAM (tambi\u00e9n conocido como pam_yubico), de la versi\u00f3n 2.18 hasta la 2.25, los inicios de sesi\u00f3n exitosos pueden filtrar descriptores de archivo al archivo de mapeo auth. Esto puede conducir a una divulgaci\u00f3n de informaci\u00f3n (n\u00famero de serie de un dispositivo) y/o una denegaci\u00f3n de servicio (alcance del n\u00famero m\u00e1ximo de descriptores de archivo)."
    }
  ],
  "id": "CVE-2018-9275",
  "lastModified": "2024-11-21T04:15:16.520",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.4,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 4.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.2,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 4.2,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2018-04-04T18:29:02.497",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "url": "https://bugzilla.opensuse.org/show_bug.cgi?id=1088027"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/Yubico/yubico-pam/commit/0f6ceabab0a8849b47f67d727aa526c2656089ba"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "url": "https://github.com/Yubico/yubico-pam/issues/136"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "url": "https://bugzilla.opensuse.org/show_bug.cgi?id=1088027"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/Yubico/yubico-pam/commit/0f6ceabab0a8849b47f67d727aa526c2656089ba"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "url": "https://github.com/Yubico/yubico-pam/issues/136"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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