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CVE-2016-4953 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
http://bugs.ntp.org/3045	CVE	Issue TrackingVendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00018.html	CVE	Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00020.html	CVE
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00023.html	CVE	Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00024.html	CVE	Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00028.html	CVE	Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00040.html	CVE	Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html	CVE
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.html	CVE
http://packetstormsecurity.com/files/137321/Slackware-Security-Advisory-ntp-Updates.html	CVE
http://packetstormsecurity.com/files/137322/FreeBSD-Security-Advisory-FreeBSD-SA-16-24.ntp.html	CVE
https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf	CVE	Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf	CVE	Third Party Advisory
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03757en_us	CVE	Third Party Advisory
https://security.FreeBSD.org/advisories/FreeBSD-SA-16:24.ntp.asc	CVE	Third Party Advisory
https://security.gentoo.org/glsa/201607-15	CVE	Third Party Advisory
http://support.ntp.org/bin/view/Main/NtpBug3045	CVE	PatchVendor Advisory
http://support.ntp.org/bin/view/Main/SecurityNotice	CVE	Vendor Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11	CVE	Third Party AdvisoryUS Government Resource
https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11	CVE
https://www.kb.cert.org/vuls/id/321640	CVE
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160603-ntpd	CVE
http://www.kb.cert.org/vuls/id/321640	CVE	Third Party AdvisoryUS Government Resource
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html	CVE	Third Party Advisory
http://www.securityfocus.com/archive/1/538599/100/0/threaded	CVE
http://www.securityfocus.com/archive/1/538600/100/0/threaded	CVE
http://www.securityfocus.com/archive/1/540683/100/0/threaded	CVE
http://www.securityfocus.com/archive/1/archive/1/538599/100/0/threaded	CVE
http://www.securityfocus.com/archive/1/archive/1/538600/100/0/threaded	CVE
http://www.securityfocus.com/archive/1/archive/1/540683/100/0/threaded	CVE
http://www.securityfocus.com/bid/91010	CVE	Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1036037	CVE	Third Party AdvisoryVDB Entry
http://bugs.ntp.org/3045	[email protected]	Issue TrackingVendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00018.html	[email protected]	Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00020.html	[email protected]
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00023.html	[email protected]	Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00024.html	[email protected]	Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00028.html	[email protected]	Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00040.html	[email protected]	Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html	[email protected]
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.html	[email protected]
http://packetstormsecurity.com/files/137321/Slackware-Security-Advisory-ntp-Updates.html	[email protected]
http://packetstormsecurity.com/files/137322/FreeBSD-Security-Advisory-FreeBSD-SA-16-24.ntp.html	[email protected]
https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf	[email protected]	Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf	[email protected]	Third Party Advisory
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03757en_us	[email protected]	Third Party Advisory
https://security.FreeBSD.org/advisories/FreeBSD-SA-16:24.ntp.asc	[email protected]	Third Party Advisory
https://security.gentoo.org/glsa/201607-15	[email protected]	Third Party Advisory
http://support.ntp.org/bin/view/Main/NtpBug3045	[email protected]	PatchVendor Advisory
http://support.ntp.org/bin/view/Main/SecurityNotice	[email protected]	Vendor Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11	[email protected]	Third Party AdvisoryUS Government Resource
https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11	[email protected]
https://www.kb.cert.org/vuls/id/321640	[email protected]
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160603-ntpd	[email protected]
http://www.kb.cert.org/vuls/id/321640	[email protected]	Third Party AdvisoryUS Government Resource
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html	[email protected]	Third Party Advisory
http://www.securityfocus.com/archive/1/538599/100/0/threaded	[email protected]
http://www.securityfocus.com/archive/1/538600/100/0/threaded	[email protected]
http://www.securityfocus.com/archive/1/540683/100/0/threaded	[email protected]
http://www.securityfocus.com/archive/1/archive/1/538599/100/0/threaded	[email protected]
http://www.securityfocus.com/archive/1/archive/1/538600/100/0/threaded	[email protected]
http://www.securityfocus.com/archive/1/archive/1/540683/100/0/threaded	[email protected]
http://www.securityfocus.com/bid/91010	[email protected]	Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1036037	[email protected]	Third Party AdvisoryVDB Entry

see all 64 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-287	Improper Authentication	[email protected]

Affected Products

Product	Versions
ntp ntp	>= 4.2.0, < 4.2.8 >= 4.3.0, < 4.3.93 4.2.8 - 4.2.8 p1 4.2.8 p1-beta1
CPE cpe:2.3:a:ntp:ntp:::::::: cpe:2.3:a:ntp:ntp:4.2.8:-:::::: cpe:2.3:a:ntp:ntp:4.2.8:p1:::::: cpe:2.3:a:ntp:ntp:4.2.8:p1-beta1:::::: cpe:2.3:a:ntp:ntp:4.2.8:p1-beta2:::::: cpe:2.3:a:ntp:ntp:4.2.8:p1-beta3:::::: cpe:2.3:a:ntp:ntp:4.2.8:p1-beta4:::::: cpe:2.3:a:ntp:ntp:4.2.8:p1-beta5:::::: cpe:2.3:a:ntp:ntp:4.2.8:p1-rc1:::::: cpe:2.3:a:ntp:ntp:4.2.8:p1-rc2:::::: cpe:2.3:a:ntp:ntp:4.2.8:p2:::::: cpe:2.3:a:ntp:ntp:4.2.8:p2-rc1:::::: cpe:2.3:a:ntp:ntp:4.2.8:p2-rc2:::::: cpe:2.3:a:ntp:ntp:4.2.8:p2-rc3:::::: cpe:2.3:a:ntp:ntp:4.2.8:p3:::::: cpe:2.3:a:ntp:ntp:4.2.8:p3-rc1:::::: cpe:2.3:a:ntp:ntp:4.2.8:p3-rc2:::::: cpe:2.3:a:ntp:ntp:4.2.8:p3-rc3:::::: cpe:2.3:a:ntp:ntp:4.2.8:p4:::::: cpe:2.3:a:ntp:ntp:4.2.8:p5:::::: cpe:2.3:a:ntp:ntp:4.2.8:p6:::::: cpe:2.3:a:ntp:ntp:4.2.8:p7:::::: Remediation No remediation found in references.
oracle solaris	10 11.3
CPE cpe:2.3:o:oracle:solaris:10:::::::* cpe:2.3:o:oracle:solaris:11.3:::::::* Remediation No remediation found in references.
suse manager	2.1
CPE cpe:2.3:a:suse:manager:2.1:::::::* Remediation No remediation found in references.
suse manager proxy	2.1
CPE cpe:2.3:a:suse:manager_proxy:2.1:::::::* Remediation No remediation found in references.
suse openstack cloud	5
CPE cpe:2.3:a:suse:openstack_cloud:5:::::::* Remediation No remediation found in references.
opensuse leap	42.1
CPE cpe:2.3:o:opensuse:leap:42.1:::::::* Remediation No remediation found in references.
opensuse opensuse	13.2
CPE cpe:2.3:o:opensuse:opensuse:13.2:::::::* Remediation No remediation found in references.
suse linux enterprise desktop	12 sp1
CPE cpe:2.3:o:suse:linux_enterprise_desktop:12:sp1:::::: Remediation No remediation found in references.
suse linux enterprise server	11 sp2 11 sp3 11 sp4 12 sp1
CPE cpe:2.3:o:suse:linux_enterprise_server:11:sp2:::ltss:::* cpe:2.3:o:suse:linux_enterprise_server:11:sp3:::ltss:::* cpe:2.3:o:suse:linux_enterprise_server:11:sp4:::::: cpe:2.3:o:suse:linux_enterprise_server:12:sp1:::::: Remediation No remediation found in references.
siemens simatic net cp 443-1 opc ua firmware	All versions
CPE cpe:2.3:o:siemens:simatic_net_cp_443-1_opc_ua_firmware:::::::: Remediation No remediation found in references.
siemens simatic net cp 443-1 opc ua	All versions
CPE cpe:2.3:h:siemens:simatic_net_cp_443-1_opc_ua:-:::::::* Remediation No remediation found in references.
siemens tim 4r-ie firmware	All versions
CPE cpe:2.3:o:siemens:tim_4r-ie_firmware:::::::: Remediation No remediation found in references.
siemens tim 4r-ie	All versions
CPE cpe:2.3:h:siemens:tim_4r-ie:-:::::::* Remediation No remediation found in references.
siemens tim 4r-ie dnp3 firmware	All versions
CPE cpe:2.3:o:siemens:tim_4r-ie_dnp3_firmware:::::::: Remediation No remediation found in references.
siemens tim 4r-ie dnp3	All versions
CPE cpe:2.3:h:siemens:tim_4r-ie_dnp3:-:::::::* Remediation No remediation found in references.

Change History

32 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
May 6, 2026	Status Change	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Jul 16, 2021	CVE Modified	[email protected]
Jun 9, 2021	Modified Analysis	[email protected]
Jun 8, 2021	CVE Modified	[email protected]
Apr 15, 2021	CVE Modified	[email protected]
Apr 13, 2021	CVE Modified	[email protected]
Jun 18, 2020	Modified Analysis	[email protected]
May 28, 2020	CPE Deprecation Remap	[email protected]
May 28, 2020	CPE Deprecation Remap	[email protected]
May 28, 2020	CPE Deprecation Remap	[email protected]
May 28, 2020	CPE Deprecation Remap	[email protected]
May 28, 2020	CPE Deprecation Remap	[email protected]
May 28, 2020	CPE Deprecation Remap	[email protected]
May 28, 2020	CPE Deprecation Remap	[email protected]
May 28, 2020	CPE Deprecation Remap	[email protected]
May 28, 2020	CPE Deprecation Remap	[email protected]
May 28, 2020	CPE Deprecation Remap	[email protected]
May 28, 2020	CPE Deprecation Remap	[email protected]
May 28, 2020	CPE Deprecation Remap	[email protected]
May 28, 2020	CPE Deprecation Remap	[email protected]
Nov 21, 2017	CVE Modified	[email protected]
Sep 1, 2017	CVE Modified	[email protected]
Jul 1, 2017	CVE Modified	[email protected]
Jun 9, 2017	CVE Modified	[email protected]
Nov 28, 2016	CVE Modified	[email protected]
Oct 4, 2016	CVE Modified	[email protected]
Jul 14, 2016	CVE Modified	[email protected]
Jul 7, 2016	Modified Analysis	[email protected]
Jul 5, 2016	Initial Analysis	[email protected]

CVE-2016-4953 Details

Description

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References to Advisories, Solutions, and Tools

Weakness Enumeration

Affected Products

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