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FKIE_CVE-2018-17953

Vulnerability from fkie_nvd - Published: 2018-11-27 13:29 - Updated: 2026-06-17 01:46
Summary
A incorrect variable in a SUSE specific patch for pam_access rule matching in PAM 1.3.0 in openSUSE Leap 15.0 and SUSE Linux Enterprise 15 could lead to pam_access rules not being applied (fail open).
Impacted products
Vendor Product Version
kernel linux-pam 1.3.0
opensuse leap 15.0
suse linux_enterprise 15.0

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "pam",
          "vendor": "SUSE",
          "versions": [
            {
              "lessThan": "1.3.0 before 2018-11-30",
              "status": "affected",
              "version": "1.3.0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "security@opentext.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:kernel:linux-pam:1.3.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "18D87833-BA37-4991-A201-62BA5CC92D54",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "F1E78106-58E6-4D59-990F-75DA575BFAD9",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:o:suse:linux_enterprise:15.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "1607628F-77A7-4C1F-98DF-0DC50AE8627D",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A incorrect variable in a SUSE specific patch for pam_access rule matching in PAM 1.3.0 in openSUSE Leap 15.0 and SUSE Linux Enterprise 15 could lead to pam_access rules not being applied (fail open)."
    },
    {
      "lang": "es",
      "value": "Una variable incorrecta en un parche espec\u00edfico de SUSE para la coincidencia de reglas pam_access en PAM 1.3.0 en openSUSE Leap 15.0 y SUSE Linux Enterprise 15 podr\u00eda conducir a que las reglas de pam_access no se apliquen (fail open)."
    }
  ],
  "id": "CVE-2018-17953",
  "lastModified": "2026-06-17T01:46:35.500",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 9.3,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 10.0,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "version": "3.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "security@opentext.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.1,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2018-11-27T13:29:00.207",
  "references": [
    {
      "source": "security@opentext.com",
      "url": "https://bugzilla.suse.com/show_bug.cgi?id=1115640"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://bugzilla.suse.com/show_bug.cgi?id=1115640"
    }
  ],
  "sourceIdentifier": "security@opentext.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-284"
        }
      ],
      "source": "security@opentext.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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