CVE-2018-6558.json

{
  "id": "CVE-2018-6558",
  "sourceIdentifier": "security@ubuntu.com",
  "vulnStatus": "Analyzed",
  "published": "2018-08-23T19:29:01.127000",
  "lastModified": "2019-10-03T00:03:26.223000",
  "evaluatorComment": null,
  "evaluatorSolution": null,
  "evaluatorImpact": null,
  "cisaExploitAdd": null,
  "cisaActionDue": null,
  "cisaRequiredAction": null,
  "cisaVulnerabilityName": null,
  "descriptions": [
    {
      "lang": "en",
      "value": "The pam_fscrypt module in fscrypt before 0.2.4 may incorrectly restore primary and supplementary group IDs to the values associated with the root user, which allows attackers to gain privileges via a successful login through certain applications that use Linux-PAM (aka pam)."
    },
    {
      "lang": "es",
      "value": "El módulo pam_fscrypt en fscrypt en versiones anteriores a la 0.2.4 podría restaurar incorrectamente los ID de los grupos primarios y suplementarios a los valores asociados con el usuario root, lo que permite que los atacantes obtengan privilegios mediante un inicio de sesión con éxito a través de determinadas aplicaciones que utilicen Linux-PAM (también conocido como pam)."
    }
  ],
  "references": [
    {
      "url": "https://github.com/google/fscrypt/commit/3022c1603d968c22f147b4a2c49c4637dd1be91b",
      "source": "security@ubuntu.com",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/google/fscrypt/commit/315f9b042237200174a1fb99427f74027e191d66",
      "source": "security@ubuntu.com",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/google/fscrypt/issues/77",
      "source": "security@ubuntu.com",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://launchpad.net/bugs/1787548",
      "source": "security@ubuntu.com",
      "tags": [
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ]
    }
  ],
  "metrics": {
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    "cvssMetricV30": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.0",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "exploitCodeMaturity": null,
          "remediationLevel": null,
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          "integrityRequirement": null,
          "availabilityRequirement": null,
          "modifiedAttackVector": null,
          "modifiedAttackComplexity": null,
          "modifiedPrivilegesRequired": null,
          "modifiedUserInteraction": null,
          "modifiedScope": null,
          "modifiedConfidentialityImpact": null,
          "modifiedIntegrityImpact": null,
          "modifiedAvailabilityImpact": null,
          "environmentalScore": null,
          "environmentalSeverity": null
        },
        "baseSeverity": null,
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "acInsufInfo": null,
        "obtainAllPrivilege": null,
        "obtainUserPrivilege": null,
        "obtainOtherPrivilege": null,
        "userInteractionRequired": null
      }
    ],
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          "accessVector": "NETWORK",
          "accessComplexity": "MEDIUM",
          "authentication": "SINGLE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.9,
          "exploitability": null,
          "remediationLevel": null,
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          "collateralDamagePotential": null,
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          "confidentialityRequirement": null,
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        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 6.8,
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        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
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        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
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    {
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      "negate": null,
      "nodes": [
        {
          "operator": "OR",
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              "vulnerable": true,
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  ],
  "vendorComments": null
}