GSD-2018-6553

Vulnerability from gsd - Updated: 2023-12-13 01:22
Details
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.
Aliases
Aliases

{
  "GSD": {
    "alias": "CVE-2018-6553",
    "description": "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.",
    "id": "GSD-2018-6553",
    "references": [
      "https://www.suse.com/security/cve/CVE-2018-6553.html",
      "https://www.debian.org/security/2018/dsa-4243",
      "https://ubuntu.com/security/CVE-2018-6553"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2018-6553"
      ],
      "details": "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.",
      "id": "GSD-2018-6553",
      "modified": "2023-12-13T01:22:35.192708Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "security@ubuntu.com",
        "DATE_PUBLIC": "2018-07-11T16:00:00.000Z",
        "ID": "CVE-2018-6553",
        "STATE": "PUBLIC",
        "TITLE": "AppArmor cupsd Sandbox Bypass Due to Use of Hard Links"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "cups",
                    "version": {
                      "version_data": [
                        {
                          "affected": "\u003c",
                          "platform": "Ubuntu 18.04 LTS",
                          "version_value": "2.2.7-1ubuntu2.1"
                        },
                        {
                          "affected": "\u003c",
                          "platform": "Ubuntu 17.10",
                          "version_value": "2.2.4-7ubuntu3.1"
                        },
                        {
                          "affected": "\u003c",
                          "platform": "Ubuntu 16.04 LTS",
                          "version_value": "2.1.3-4ubuntu0.5"
                        },
                        {
                          "affected": "\u003c",
                          "platform": "Ubuntu 14.04 LTS",
                          "version_value": "1.7.2-0ubuntu1.10"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
          ]
        }
      },
      "credit": [
        {
          "lang": "eng",
          "value": "Dan Bastone"
        }
      ],
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "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."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "Escape from sandbox confinement"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "USN-3713-1",
            "refsource": "UBUNTU",
            "url": "https://usn.ubuntu.com/usn/usn-3713-1"
          },
          {
            "name": "DSA-4243",
            "refsource": "DEBIAN",
            "url": "https://www.debian.org/security/2018/dsa-4243"
          },
          {
            "name": "[debian-lts-announce] 20180714 [SECURITY] [DLA 1426-1] cups security update",
            "refsource": "MLIST",
            "url": "https://lists.debian.org/debian-lts-announce/2018/07/msg00014.html"
          },
          {
            "name": "GLSA-201908-08",
            "refsource": "GENTOO",
            "url": "https://security.gentoo.org/glsa/201908-08"
          }
        ]
      },
      "source": {
        "advisory": "USN-3713-1",
        "discovery": "EXTERNAL"
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:cups:cups:-:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "security@ubuntu.com",
          "ID": "CVE-2018-6553"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "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."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "NVD-CWE-noinfo"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "USN-3713-1",
              "refsource": "UBUNTU",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://usn.ubuntu.com/usn/usn-3713-1"
            },
            {
              "name": "DSA-4243",
              "refsource": "DEBIAN",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://www.debian.org/security/2018/dsa-4243"
            },
            {
              "name": "[debian-lts-announce] 20180714 [SECURITY] [DLA 1426-1] cups security update",
              "refsource": "MLIST",
              "tags": [
                "Issue Tracking",
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "https://lists.debian.org/debian-lts-announce/2018/07/msg00014.html"
            },
            {
              "name": "GLSA-201908-08",
              "refsource": "GENTOO",
              "tags": [],
              "url": "https://security.gentoo.org/glsa/201908-08"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 4.6,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.0"
          },
          "exploitabilityScore": 2.0,
          "impactScore": 6.0
        }
      },
      "lastModifiedDate": "2019-10-03T00:03Z",
      "publishedDate": "2018-08-10T15:29Z"
    }
  }
}



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