USN-3802-1 (UBUNTU-CVE-2018-14665)

Vulnerability from osv_ubuntu – Published: 2018-10-26 14:29 – Updated: 2026-04-22 07:36 – Source website
VLAI
Summary
xorg-server, xorg-server-hwe-16.04 vulnerability
Details

Narendra Shinde discovered that the X.Org X server incorrectly handled certain command line parameters when running as root with the legacy wrapper. When certain graphics drivers are being used, a local attacker could possibly use this issue to overwrite arbitrary files and escalate privileges.

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2018-14665",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:16.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "xmir-hwe-16.04",
            "binary_version": "2:1.19.6-1ubuntu4.1~16.04.2"
          },
          {
            "binary_name": "xorg-server-source-hwe-16.04",
            "binary_version": "2:1.19.6-1ubuntu4.1~16.04.2"
          },
          {
            "binary_name": "xserver-xephyr-hwe-16.04",
            "binary_version": "2:1.19.6-1ubuntu4.1~16.04.2"
          },
          {
            "binary_name": "xserver-xorg-core-hwe-16.04",
            "binary_version": "2:1.19.6-1ubuntu4.1~16.04.2"
          },
          {
            "binary_name": "xserver-xorg-dev-hwe-16.04",
            "binary_version": "2:1.19.6-1ubuntu4.1~16.04.2"
          },
          {
            "binary_name": "xserver-xorg-legacy-hwe-16.04",
            "binary_version": "2:1.19.6-1ubuntu4.1~16.04.2"
          },
          {
            "binary_name": "xwayland-hwe-16.04",
            "binary_version": "2:1.19.6-1ubuntu4.1~16.04.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "xorg-server-hwe-16.04",
        "purl": "pkg:deb/ubuntu/xorg-server-hwe-16.04@2:1.19.6-1ubuntu4.1~16.04.2?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2:1.19.6-1ubuntu4.1~16.04.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2:1.18.4-1ubuntu6.1~16.04.1",
        "2:1.18.4-1ubuntu6.1~16.04.2",
        "2:1.19.3-1ubuntu1~16.04.2",
        "2:1.19.3-1ubuntu1~16.04.3",
        "2:1.19.3-1ubuntu1~16.04.4",
        "2:1.19.5-0ubuntu2~16.04.1",
        "2:1.19.6-1ubuntu4~16.04.1",
        "2:1.19.6-1ubuntu4.1~16.04.1"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2018-14665",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:18.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "xdmx",
            "binary_version": "2:1.19.6-1ubuntu4.2"
          },
          {
            "binary_name": "xdmx-tools",
            "binary_version": "2:1.19.6-1ubuntu4.2"
          },
          {
            "binary_name": "xmir",
            "binary_version": "2:1.19.6-1ubuntu4.2"
          },
          {
            "binary_name": "xnest",
            "binary_version": "2:1.19.6-1ubuntu4.2"
          },
          {
            "binary_name": "xorg-server-source",
            "binary_version": "2:1.19.6-1ubuntu4.2"
          },
          {
            "binary_name": "xserver-common",
            "binary_version": "2:1.19.6-1ubuntu4.2"
          },
          {
            "binary_name": "xserver-xephyr",
            "binary_version": "2:1.19.6-1ubuntu4.2"
          },
          {
            "binary_name": "xserver-xorg-core",
            "binary_version": "2:1.19.6-1ubuntu4.2"
          },
          {
            "binary_name": "xserver-xorg-legacy",
            "binary_version": "2:1.19.6-1ubuntu4.2"
          },
          {
            "binary_name": "xserver-xorg-xmir",
            "binary_version": "2:1.19.6-1ubuntu4.2"
          },
          {
            "binary_name": "xvfb",
            "binary_version": "2:1.19.6-1ubuntu4.2"
          },
          {
            "binary_name": "xwayland",
            "binary_version": "2:1.19.6-1ubuntu4.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "xorg-server",
        "purl": "pkg:deb/ubuntu/xorg-server@2:1.19.6-1ubuntu4.2?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2:1.19.6-1ubuntu4.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2:1.19.5-0ubuntu2",
        "2:1.19.6-1ubuntu1",
        "2:1.19.6-1ubuntu2",
        "2:1.19.6-1ubuntu3",
        "2:1.19.6-1ubuntu4",
        "2:1.19.6-1ubuntu4.1"
      ]
    }
  ],
  "aliases": [],
  "details": "Narendra Shinde discovered that the X.Org X server incorrectly handled\ncertain command line parameters when running as root with the legacy\nwrapper. When certain graphics drivers are being used, a local attacker\ncould possibly use this issue to overwrite arbitrary files and escalate\nprivileges.\n",
  "id": "USN-3802-1",
  "modified": "2026-04-22T07:36:36Z",
  "published": "2018-10-26T14:29:46Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-3802-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-14665"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "xorg-server, xorg-server-hwe-16.04 vulnerability",
  "upstream": [
    "UBUNTU-CVE-2018-14665"
  ]
}



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