ghsa-57qq-hwp2-xmcj
Vulnerability from github
Published
2022-05-24 17:15
Modified
2025-05-05 18:30
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details

ntpd in ntp before 4.2.8p14 and 4.3.x before 4.3.100 allows an off-path attacker to block unauthenticated synchronization via a server mode packet with a spoofed source IP address, because transmissions are rescheduled even when a packet lacks a valid origin timestamp.

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{
  "affected": [],
  "aliases": [
    "CVE-2020-11868"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-346",
      "CWE-400"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2020-04-17T04:15:00Z",
    "severity": "MODERATE"
  },
  "details": "ntpd in ntp before 4.2.8p14 and 4.3.x before 4.3.100 allows an off-path attacker to block unauthenticated synchronization via a server mode packet with a spoofed source IP address, because transmissions are rescheduled even when a packet lacks a valid origin timestamp.",
  "id": "GHSA-57qq-hwp2-xmcj",
  "modified": "2025-05-05T18:30:44Z",
  "published": "2022-05-24T17:15:43Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-11868"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1716665"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2020/05/msg00004.html"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/202007-12"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20200424-0002"
    },
    {
      "type": "WEB",
      "url": "https://www.oracle.com//security-alerts/cpujul2021.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00005.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00044.html"
    },
    {
      "type": "WEB",
      "url": "http://support.ntp.org/bin/view/Main/NtpBug3592"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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