ghsa-v9cv-3r4j-cx4j
Vulnerability from github
Published
2022-05-13 01:25
Modified
2025-01-14 21:31
Severity ?
5.3 (Medium) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N
Details

ntpd in ntp 4.2.x before 4.2.8p7 and 4.3.x before 4.3.92 allows authenticated users that know the private symmetric key to create arbitrarily-many ephemeral associations in order to win the clock selection of ntpd and modify a victim's clock via a Sybil attack. This issue exists because of an incomplete fix for CVE-2016-1549.

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{
  "affected": [],
  "aliases": [
    "CVE-2018-7170"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2018-03-06T20:29:00Z",
    "severity": "MODERATE"
  },
  "details": "ntpd in ntp 4.2.x before 4.2.8p7 and 4.3.x before 4.3.92 allows authenticated users that know the private symmetric key to create arbitrarily-many ephemeral associations in order to win the clock selection of ntpd and modify a victim\u0027s clock via a Sybil attack. This issue exists because of an incomplete fix for CVE-2016-1549.",
  "id": "GHSA-v9cv-3r4j-cx4j",
  "modified": "2025-01-14T21:31:36Z",
  "published": "2022-05-13T01:25:45Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-7170"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1550214"
    },
    {
      "type": "WEB",
      "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-18:02.ntp.asc"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/201805-12"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20180626-0001"
    },
    {
      "type": "WEB",
      "url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbux03962en_us"
    },
    {
      "type": "WEB",
      "url": "https://www.synology.com/support/security/Synology_SA_18_13"
    },
    {
      "type": "WEB",
      "url": "http://packetstormsecurity.com/files/146631/Slackware-Security-Advisory-ntp-Updates.html"
    },
    {
      "type": "WEB",
      "url": "http://support.ntp.org/bin/view/Main/NtpBug3415"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/archive/1/541824/100/0/threaded"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/103194"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}


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