CVE-2016-1547 (GCVE-0-2016-1547)

Vulnerability from cvelistv5 – Published: 2017-01-06 21:00 – Updated: 2024-08-05 23:02
VLAI
Summary
An off-path attacker can cause a preemptible client association to be demobilized in NTP 4.2.8p4 and earlier and NTPSec a5fb34b9cc89b92a8fef2f459004865c93bb7f92 by sending a crypto NAK packet to a victim client with a spoofed source address of an existing associated peer. This is true even if authentication is enabled.
Severity
5.3 (Medium)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE
  • unspecified
Assigner
certcc CNA under the mitre root
CNA scorecard E 42/100 over 156 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
NTP Project NTP Affected: 4.2.8p3
Affected: 4.2.8p4
guessed Create a notification for this product.
NTPsec Project NTPSec Affected: a5fb34b9cc89b92a8fef2f459004865c93bb7f92
guessed Create a notification for this product.
Date Public
2016-04-26 00:00
Show details on NVD website
To clipboard 

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            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://security.netapp.com/advisory/ntap-20171004-0002/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://www.arista.com/en/support/advisories-notices/security-advisories/1332-security-advisory-19"
          }
        ],
        "sourceIdentifier": "cret@cert.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-20"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-05-06T22:47:28+00:00",
      "cve": "CVE-2016-1547",
      "id": "CVE-2016-1547",
      "initial_release_date": "2016-04-26T00:00:00+00:00",
      "product_status:fixed": "368",
      "product_status:known_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "ntp: crypto-NAK preemptable association denial of service",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2016/cve-2016-1547.json",
      "version": "3"
    }
  }
}



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Sightings

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