USN-4229-2 (UBUNTU-CVE-2018-12327)

Vulnerability from osv_ubuntu – Published: 2021-03-15 22:24 – Updated: 2026-02-10 04:41 – Source website
VLAI
Summary
ntp vulnerability
Details

USN-4229-1 fixed a vulnerability in NTP. This update provides the corresponding update for Ubuntu 18.04 ESM.

Original advisory details:

It was discovered that ntpq and ntpdc incorrectly handled some arguments. An attacker could possibly use this issue to cause ntpq or ntpdc to crash, execute arbitrary code, or escalate to higher privileges.

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2018-12327",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "negligible",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:18.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "ntp",
            "binary_version": "1:4.2.8p10+dfsg-5ubuntu7.3+esm1"
          },
          {
            "binary_name": "ntpdate",
            "binary_version": "1:4.2.8p10+dfsg-5ubuntu7.3+esm1"
          },
          {
            "binary_name": "sntp",
            "binary_version": "1:4.2.8p10+dfsg-5ubuntu7.3+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "ntp",
        "purl": "pkg:deb/ubuntu/ntp@1:4.2.8p10+dfsg-5ubuntu7.3+esm1?arch=source\u0026distro=esm-apps/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:4.2.8p10+dfsg-5ubuntu7.3+esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:4.2.8p10+dfsg-5ubuntu3",
        "1:4.2.8p10+dfsg-5ubuntu4",
        "1:4.2.8p10+dfsg-5ubuntu5",
        "1:4.2.8p10+dfsg-5ubuntu6",
        "1:4.2.8p10+dfsg-5ubuntu7",
        "1:4.2.8p10+dfsg-5ubuntu7.1",
        "1:4.2.8p10+dfsg-5ubuntu7.1+esm1",
        "1:4.2.8p10+dfsg-5ubuntu7.1+esm2",
        "1:4.2.8p10+dfsg-5ubuntu7.2",
        "1:4.2.8p10+dfsg-5ubuntu7.2+esm1",
        "1:4.2.8p10+dfsg-5ubuntu7.3"
      ]
    }
  ],
  "aliases": [],
  "details": "USN-4229-1 fixed a vulnerability in NTP. This update provides the\ncorresponding update for Ubuntu 18.04 ESM.\n\nOriginal advisory details:\n\n It was discovered that ntpq and ntpdc incorrectly handled some arguments.\n An attacker could possibly use this issue to cause ntpq or ntpdc to crash,\n execute arbitrary code, or escalate to higher privileges.\n",
  "id": "USN-4229-2",
  "modified": "2026-02-10T04:41:45Z",
  "published": "2021-03-15T22:24:29Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4229-2"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-12327"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "ntp vulnerability",
  "upstream": [
    "UBUNTU-CVE-2018-12327"
  ]
}



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