CVE-2016-4953
Vulnerability from cvelistv5
Published
2016-07-05 01:00
Modified
2024-08-06 00:46
Severity ?
EPSS score ?
Summary
ntpd in NTP 4.x before 4.2.8p8 allows remote attackers to cause a denial of service (ephemeral-association demobilization) by sending a spoofed crypto-NAK packet with incorrect authentication data at a certain time.
References
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Advisory FreeBSD-SA-16:24.ntp", "refsource": "BUGTRAQ", "url": "http://www.securityfocus.com/archive/1/archive/1/538600/100/0/threaded" }, { "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf", "refsource": "CONFIRM", "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf" }, { "name": "https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11", "refsource": "CONFIRM", "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11" }, { "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf", "refsource": "CONFIRM", "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf" }, { "name": "https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11", "refsource": "MISC", "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11" } ] } } } }, "cveMetadata": { "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2016-4953", "datePublished": "2016-07-05T01:00:00", "dateReserved": "2016-05-23T00:00:00", "dateUpdated": "2024-08-06T00:46:39.916Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2016-4953\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2016-07-05T01:59:00.143\",\"lastModified\":\"2021-07-16T13:15:08.447\",\"vulnStatus\":\"Modified\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"ntpd in NTP 4.x before 4.2.8p8 allows remote attackers to cause a denial of service (ephemeral-association demobilization) by sending a spoofed crypto-NAK packet with incorrect authentication data at a certain time.\"},{\"lang\":\"es\",\"value\":\"ntpd en NTP 4.x en versiones anteriores a 4.2.8p8 permite a atacantes remotos provocar una denegaci\u00f3n de servicio (desmovilizaci\u00f3n de asociaci\u00f3n ef\u00edmera) mediante el env\u00edo de un paquete crypto-NAK falsificado con datos de autenticaci\u00f3n incorrectos en un momento determinado.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:N/A:P\",\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\",\"baseScore\":5.0},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-287\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.2.0\",\"versionEndExcluding\":\"4.2.8\",\"matchCriteriaId\":\"C240BAAB-8C12-4501-9DC6-FB877304E908\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.3.0\",\"versionEndExcluding\":\"4.3.93\",\"matchCriteriaId\":\"863751A2-A97F-47CD-8D57-6D60E6F3593D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ntp:ntp:4.2.8:-:*:*:*:*:*:*\",\"matchCriteriaId\":\"EEA51D83-5841-4335-AF07-7A43C118CAAE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ntp:ntp:4.2.8:p1:*:*:*:*:*:*\",\"matchCriteriaId\":\"C855BBD2-2B38-4EFF-9DBE-CA61CCACD0DE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ntp:ntp:4.2.8:p1-beta1:*:*:*:*:*:*\",\"matchCriteriaId\":\"49ADE0C3-F75C-4EC0-8805-56013F0EB92C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ntp:ntp:4.2.8:p1-beta2:*:*:*:*:*:*\",\"matchCriteriaId\":\"D8FF625A-EFA3-43D1-8698-4A37AE31A07C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ntp:ntp:4.2.8:p1-beta3:*:*:*:*:*:*\",\"matchCriteriaId\":\"E3B99BBD-97FE-4615-905A-A614592226F8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ntp:ntp:4.2.8:p1-beta4:*:*:*:*:*:*\",\"matchCriteriaId\":\"E7A9AD3A-F030-4331-B52A-518BD963AB8A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ntp:ntp:4.2.8:p1-beta5:*:*:*:*:*:*\",\"matchCriteriaId\":\"C293B8BE-6691-4944-BCD6-25EB98CABC73\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ntp:ntp:4.2.8:p1-rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"CEA650F8-2576-494A-A861-61572CA319D0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ntp:ntp:4.2.8:p1-rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"4ED21EE8-7CBF-4BC5-BFC3-185D41296238\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ntp:ntp:4.2.8:p2:*:*:*:*:*:*\",\"matchCriteriaId\":\"C76A0B44-13DE-4173-8D05-DA54F6A71759\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ntp:ntp:4.2.8:p2-rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"1450241C-2F6D-4122-B33C-D78D065BA403\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ntp:ntp:4.2.8:p2-rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"721AFD22-91D3-488E-A5E6-DD84C86E412B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ntp:ntp:4.2.8:p2-rc3:*:*:*:*:*:*\",\"matchCriteriaId\":\"8D6ADDB1-2E96-4FF6-AE95-4B06654D38B0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ntp:ntp:4.2.8:p3:*:*:*:*:*:*\",\"matchCriteriaId\":\"41E44E9F-6383-4E12-AEDC-B653FEA77A48\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ntp:ntp:4.2.8:p3-rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"466D9A37-2658-4695-9429-0C6BF4A631C2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ntp:ntp:4.2.8:p3-rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"99774181-5F12-446C-AC2C-DB1C52295EED\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ntp:ntp:4.2.8:p3-rc3:*:*:*:*:*:*\",\"matchCriteriaId\":\"4427EE6D-3F79-4FF5-B3EC-EE6BD01562CE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ntp:ntp:4.2.8:p4:*:*:*:*:*:*\",\"matchCriteriaId\":\"99C71C00-7222-483B-AEFB-159337BD3C92\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ntp:ntp:4.2.8:p5:*:*:*:*:*:*\",\"matchCriteriaId\":\"75A9AA28-1B20-44BB-815C-7294A53E910E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ntp:ntp:4.2.8:p6:*:*:*:*:*:*\",\"matchCriteriaId\":\"8C213794-111D-41F3-916C-AD97F731D600\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ntp:ntp:4.2.8:p7:*:*:*:*:*:*\",\"matchCriteriaId\":\"50811A7B-0379-4437-8737-B4C1ACBC9EFD\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:oracle:solaris:10:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"964B57CD-CB8A-4520-B358-1C93EC5EF2DC\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*: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Sightings
Author | Source | Type | Date |
---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.