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CVE-2016-9042 (GCVE-0-2016-9042)

Vulnerability from cvelistv5 – Published: 2018-06-04 20:00 – Updated: 2024-09-17 03:53
VLAI
Summary
An exploitable denial of service vulnerability exists in the origin timestamp check functionality of ntpd 4.2.8p9. A specially crafted unauthenticated network packet can be used to reset the expected origin timestamp for target peers. Legitimate replies from targeted peers will fail the origin timestamp check (TEST2) causing the reply to be dropped and creating a denial of service condition.
Severity
3.7 (Low)
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE
  • denial of service
Assigner
References
URL Tags
http://www.securitytracker.com/id/1038123 vdb-entryx_refsource_SECTRACK
https://security.FreeBSD.org/advisories/FreeBSD-S… vendor-advisoryx_refsource_FREEBSD
http://www.securitytracker.com/id/1039427 vdb-entryx_refsource_SECTRACK
http://www.securityfocus.com/bid/97046 vdb-entryx_refsource_BID
http://www.ubuntu.com/usn/USN-3349-1 vendor-advisoryx_refsource_UBUNTU
http://www.securityfocus.com/archive/1/archive/1/… mailing-listx_refsource_BUGTRAQ
http://seclists.org/fulldisclosure/2017/Nov/7 mailing-listx_refsource_FULLDISC
http://www.securityfocus.com/archive/1/540403/100… mailing-listx_refsource_BUGTRAQ
https://lists.fedoraproject.org/archives/list/pac… vendor-advisoryx_refsource_FEDORA
http://seclists.org/fulldisclosure/2017/Sep/62 mailing-listx_refsource_FULLDISC
http://www.securityfocus.com/archive/1/archive/1/… mailing-listx_refsource_BUGTRAQ
https://support.hpe.com/hpsc/doc/public/display?d… x_refsource_CONFIRM
https://www.talosintelligence.com/vulnerability_r… x_refsource_MISC
http://packetstormsecurity.com/files/142101/FreeB… x_refsource_MISC
https://kc.mcafee.com/corporate/index?page=conten… x_refsource_CONFIRM
https://support.apple.com/kb/HT208144 x_refsource_CONFIRM
https://support.f5.com/csp/article/K39041624 x_refsource_CONFIRM
https://bto.bluecoat.com/security-advisory/sa147 x_refsource_CONFIRM
http://packetstormsecurity.com/files/142284/Slack… x_refsource_MISC
https://cert-portal.siemens.com/productcert/pdf/s… x_refsource_CONFIRM
https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11 x_refsource_MISC
Impacted products
Vendor Product Version CPE status
Talos Network Time Protocol Affected: NTP 4.2.8p9
guessed Create a notification for this product.
Date Public
2017-03-29 00:00
Show details on NVD website
To clipboard 

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              "Third Party Advisory"
            ],
            "url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbux03962en_us"
          },
          {
            "source": "talos-cna@cisco.com",
            "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11"
          },
          {
            "source": "talos-cna@cisco.com",
            "tags": [
              "Exploit",
              "Mitigation",
              "Third Party Advisory"
            ],
            "url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2016-0260"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://packetstormsecurity.com/files/142101/FreeBSD-Security-Advisory-FreeBSD-SA-17-03.ntp.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://packetstormsecurity.com/files/142284/Slackware-Security-Advisory-ntp-Updates.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://seclists.org/fulldisclosure/2017/Nov/7"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://seclists.org/fulldisclosure/2017/Sep/62"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.securityfocus.com/archive/1/540403/100/0/threaded"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.securityfocus.com/archive/1/archive/1/540403/100/0/threaded"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.securityfocus.com/archive/1/archive/1/540464/100/0/threaded"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Permissions Required",
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "http://www.securityfocus.com/bid/97046"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "http://www.securitytracker.com/id/1038123"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "http://www.securitytracker.com/id/1039427"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.ubuntu.com/usn/USN-3349-1"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://bto.bluecoat.com/security-advisory/sa147"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10201"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7KVLFA3J43QFIP4I7HE7KQ5FXSMJEKC6/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-17:03.ntp.asc"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://support.apple.com/kb/HT208144"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://support.f5.com/csp/article/K39041624"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbux03962en_us"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Exploit",
              "Mitigation",
              "Third Party Advisory"
            ],
            "url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2016-0260"
          }
        ],
        "sourceIdentifier": "talos-cna@cisco.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-20"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-30T11:37:59+00:00",
      "cve": "CVE-2016-9042",
      "id": "CVE-2016-9042",
      "initial_release_date": "2016-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "12",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "ntp: DoS via origin timestamp check functionality",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2016/cve-2016-9042.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-05T01:22:18Z",
      "cve": "CVE-2016-9042",
      "id": "CVE-2016-9042",
      "initial_release_date": "2023-02-15T04:56:25Z",
      "product_status:known_affected": "31",
      "product_status:recommended": "96",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2016-9042",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2016-9042.json",
      "version": "15"
    }
  }
}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.