usn-3500-1
Vulnerability from osv_ubuntu
Published
2017-11-29 18:01
Modified
2026-04-22 07:36
Summary
libxfont, libxfont1, libxfont2 vulnerability
Details

It was discovered that libXfont incorrectly followed symlinks when opening font files. A local unprivileged user could use this issue to cause the X server to access arbitrary files, including special device files.

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2017-16611",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:14.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libxfont1",
            "binary_version": "1:1.4.7-1ubuntu0.4"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:14.04:LTS",
        "name": "libxfont",
        "purl": "pkg:deb/ubuntu/libxfont@1:1.4.7-1ubuntu0.4?arch=source\u0026distro=trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:1.4.7-1ubuntu0.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:1.4.6-1",
        "1:1.4.6-1ubuntu1",
        "1:1.4.7-1",
        "1:1.4.7-1ubuntu0.1",
        "1:1.4.7-1ubuntu0.2",
        "1:1.4.7-1ubuntu0.3"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2017-16611",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:16.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libxfont1",
            "binary_version": "1:1.5.1-1ubuntu0.16.04.4"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "libxfont",
        "purl": "pkg:deb/ubuntu/libxfont@1:1.5.1-1ubuntu0.16.04.4?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:1.5.1-1ubuntu0.16.04.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:1.5.1-1",
        "1:1.5.1-1ubuntu0.16.04.1",
        "1:1.5.1-1ubuntu0.16.04.2",
        "1:1.5.1-1ubuntu0.16.04.3"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2017-16611",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:16.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libxfont2",
            "binary_version": "1:2.0.1-3~ubuntu16.04.3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "libxfont2",
        "purl": "pkg:deb/ubuntu/libxfont2@1:2.0.1-3~ubuntu16.04.3?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:2.0.1-3~ubuntu16.04.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:2.0.1-3~ubuntu16.04.1",
        "1:2.0.1-3~ubuntu16.04.2"
      ]
    }
  ],
  "aliases": [],
  "details": "It was discovered that libXfont incorrectly followed symlinks when opening\nfont files. A local unprivileged user could use this issue to cause the X\nserver to access arbitrary files, including special device files.\n",
  "id": "USN-3500-1",
  "modified": "2026-04-22T07:36:35Z",
  "published": "2017-11-29T18:01:32Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-3500-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2017-16611"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "libxfont, libxfont1, libxfont2 vulnerability",
  "upstream": [
    "UBUNTU-CVE-2017-16611"
  ]
}



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