usn-4475-1
Vulnerability from osv_ubuntu
Published
2020-08-27 12:24
Modified
2026-04-27 14:11
Summary
chrony vulnerability
Details

It was discovered that Chrony incorrectly handled certain symbolic links. An attacker could possibly use this issue to cause a denial of service or expose sensitive information.

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2020-14367",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/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": "chrony",
            "binary_version": "3.2-4ubuntu4.5"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "chrony",
        "purl": "pkg:deb/ubuntu/chrony@3.2-4ubuntu4.5?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.2-4ubuntu4.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.1-5",
        "3.2-1build1",
        "3.2-1ubuntu3",
        "3.2-2",
        "3.2-2ubuntu2",
        "3.2-2ubuntu3",
        "3.2-4ubuntu1",
        "3.2-4ubuntu2",
        "3.2-4ubuntu3",
        "3.2-4ubuntu4",
        "3.2-4ubuntu4.1",
        "3.2-4ubuntu4.2",
        "3.2-4ubuntu4.4"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2020-14367",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:20.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "chrony",
            "binary_version": "3.5-6ubuntu6.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "chrony",
        "purl": "pkg:deb/ubuntu/chrony@3.5-6ubuntu6.2?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.5-6ubuntu6.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.5-2ubuntu2",
        "3.5-2ubuntu3",
        "3.5-4ubuntu2",
        "3.5-5ubuntu1",
        "3.5-6ubuntu1",
        "3.5-6ubuntu2",
        "3.5-6ubuntu3",
        "3.5-6ubuntu5",
        "3.5-6ubuntu6",
        "3.5-6ubuntu6.1"
      ]
    }
  ],
  "aliases": [],
  "details": "It was discovered that Chrony incorrectly handled certain symbolic links.\nAn attacker could possibly use this issue to cause a denial of service or\nexpose sensitive information.\n",
  "id": "USN-4475-1",
  "modified": "2026-04-27T14:11:25Z",
  "published": "2020-08-27T12:24:39Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4475-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-14367"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "chrony vulnerability",
  "upstream": [
    "UBUNTU-CVE-2020-14367"
  ]
}



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