U.S. flag   An official website of the United States government
Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock (Dot gov) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

CVE-2016-4953 Detail

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

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

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

Weakness Enumeration

CWE-ID CWE Name Source
CWE-287 Improper Authentication cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

CPEs loading, please wait.

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

29 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-4953
NVD Published Date:
07/04/2016
NVD Last Modified:
07/16/2021
Source:
MITRE