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CVE-2016-4954 Detail

Description

The process_packet function in ntp_proto.c in ntpd in NTP 4.x before 4.2.8p8 allows remote attackers to cause a denial of service (peer-variable modification) by sending spoofed packets from many source IP addresses in a certain scenario, as demonstrated by triggering an incorrect leap indication.


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

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Hyperlink Resource
http://bugs.ntp.org/3044 Issue Tracking  Vendor Advisory 
http://bugs.ntp.org/3044 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/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/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/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/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/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/2016-06/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/2016-07/msg00026.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.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/137321/Slackware-Security-Advisory-ntp-Updates.html
http://packetstormsecurity.com/files/137322/FreeBSD-Security-Advisory-FreeBSD-SA-16-24.ntp.html
http://packetstormsecurity.com/files/137322/FreeBSD-Security-Advisory-FreeBSD-SA-16-24.ntp.html
http://support.ntp.org/bin/view/Main/NtpBug3044 Patch  Vendor Advisory 
http://support.ntp.org/bin/view/Main/NtpBug3044 Patch  Vendor Advisory 
http://support.ntp.org/bin/view/Main/SecurityNotice 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://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.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.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/1/538599/100/0/threaded
http://www.securityfocus.com/archive/1/538600/100/0/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/1/540683/100/0/threaded
http://www.securityfocus.com/archive/1/archive/1/538599/100/0/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/1/538600/100/0/threaded
http://www.securityfocus.com/archive/1/archive/1/540683/100/0/threaded
http://www.securityfocus.com/archive/1/archive/1/540683/100/0/threaded
http://www.securitytracker.com/id/1036037 Third Party Advisory  VDB Entry 
http://www.securitytracker.com/id/1036037 Third Party Advisory  VDB Entry 
http://www.ubuntu.com/usn/USN-3096-1
http://www.ubuntu.com/usn/USN-3096-1
https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf Third Party Advisory 
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://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://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03757en_us Third Party Advisory 
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K3EYJQHJZ2KTVQ7ICEFHXTLZ36MRASWX/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K3EYJQHJZ2KTVQ7ICEFHXTLZ36MRASWX/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ORAMN3Q7TVJ54MBYF75XCJOE3DP7LYHT/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ORAMN3Q7TVJ54MBYF75XCJOE3DP7LYHT/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WNWGCQLW2VY72NIUYMJOCAKJKTXHDUK2/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WNWGCQLW2VY72NIUYMJOCAKJKTXHDUK2/
https://security.FreeBSD.org/advisories/FreeBSD-SA-16:24.ntp.asc 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://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-21-103-11 Third Party Advisory  US Government Resource 
https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11
https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11
https://www.kb.cert.org/vuls/id/321640
https://www.kb.cert.org/vuls/id/321640

Weakness Enumeration

CWE-ID CWE Name Source
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

30 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-4954
NVD Published Date:
07/04/2016
NVD Last Modified:
11/20/2024
Source:
MITRE