{
  "id": "CVE-2018-6553",
  "sourceIdentifier": "security@ubuntu.com",
  "published": "2018-08-10T15:29:01.187",
  "lastModified": "2019-10-03T00:03:26.223",
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "The CUPS AppArmor profile incorrectly confined the dnssd backend due to use of hard links. A local attacker could possibly use this issue to escape confinement. This flaw affects versions prior to 2.2.7-1ubuntu2.1 in Ubuntu 18.04 LTS, prior to 2.2.4-7ubuntu3.1 in Ubuntu 17.10, prior to 2.1.3-4ubuntu0.5 in Ubuntu 16.04 LTS, and prior to 1.7.2-0ubuntu1.10 in Ubuntu 14.04 LTS."
    },
    {
      "lang": "es",
      "value": "El perfil CUPS AppArmor confin\u00f3 incorrectamente la puerta trasera dnssd debido al uso de enlaces f\u00edsicos. Un atacante local podr\u00eda emplear este problema para escapar del confinamiento. Este error afecta a las versiones anteriores a la 2.2.7-1ubuntu2.1 en Ubuntu 18.04 LTS, versiones anteriores a la 2.2.4-7ubuntu3.1 en Ubuntu 17.10, versiones anteriores a la 2.1.3-4ubuntu0.5 en Ubuntu 16.04 LTS y versiones anteriores a la 1.7.2-0ubuntu1.10 en Ubuntu 14.04 LTS."
    }
  ],
  "metrics": {
    "cvssMetricV30": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.0",
          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "CHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 2.0,
        "impactScore": 6.0
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "accessVector": "LOCAL",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.6
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 3.9,
        "impactScore": 6.4,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:cups:cups:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "142786EC-681F-4F31-BC2C-EEFB9D32D953"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*",
              "matchCriteriaId": "B5A6F2F3-4894-4392-8296-3B8DD2679084"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
              "matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*",
              "matchCriteriaId": "9070C9D8-A14A-467F-8253-33B966C16886"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
              "matchCriteriaId": "23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://lists.debian.org/debian-lts-announce/2018/07/msg00014.html",
      "source": "security@ubuntu.com",
      "tags": [
        "Issue Tracking",
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://security.gentoo.org/glsa/201908-08",
      "source": "security@ubuntu.com"
    },
    {
      "url": "https://usn.ubuntu.com/usn/usn-3713-1",
      "source": "security@ubuntu.com",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.debian.org/security/2018/dsa-4243",
      "source": "security@ubuntu.com",
      "tags": [
        "Third Party Advisory"
      ]
    }
  ]
}