CVE-2016-4953

Summary

CVECVE-2016-4953
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2016-07-05 01:59:00 UTC
Updated2021-07-16 13:15:00 UTC
Descriptionntpd 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.

Risk And Classification

Problem Types: CWE-287

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Ntp Ntp All All All All
Application Ntp Ntp 4.2.8 - All All
Application Ntp Ntp 4.2.8 p1 All All
Application Ntp Ntp 4.2.8 p1-beta1 All All
Application Ntp Ntp 4.2.8 p1-beta2 All All
Application Ntp Ntp 4.2.8 p1-beta3 All All
Application Ntp Ntp 4.2.8 p1-beta4 All All
Application Ntp Ntp 4.2.8 p1-beta5 All All
Application Ntp Ntp 4.2.8 p1-rc1 All All
Application Ntp Ntp 4.2.8 p1-rc2 All All
Application Ntp Ntp 4.2.8 p2 All All
Application Ntp Ntp 4.2.8 p2-rc1 All All
Application Ntp Ntp 4.2.8 p2-rc2 All All
Application Ntp Ntp 4.2.8 p2-rc3 All All
Application Ntp Ntp 4.2.8 p3 All All
Application Ntp Ntp 4.2.8 p3-rc1 All All
Application Ntp Ntp 4.2.8 p3-rc2 All All
Application Ntp Ntp 4.2.8 p3-rc3 All All
Application Ntp Ntp 4.2.8 p4 All All
Application Ntp Ntp 4.2.8 p5 All All
Application Ntp Ntp 4.2.8 p6 All All
Application Ntp Ntp 4.2.8 p7 All All
Application Ntp Ntp All All All All
Application Ntp Ntp 4.2.8 - All All
Application Ntp Ntp 4.2.8 p1 All All
Application Ntp Ntp 4.2.8 p1-beta1 All All
Application Ntp Ntp 4.2.8 p1-beta2 All All
Application Ntp Ntp 4.2.8 p1-beta3 All All
Application Ntp Ntp 4.2.8 p1-beta4 All All
Application Ntp Ntp 4.2.8 p1-beta5 All All
Application Ntp Ntp 4.2.8 p1-rc1 All All
Application Ntp Ntp 4.2.8 p1-rc2 All All
Application Ntp Ntp 4.2.8 p2 All All
Application Ntp Ntp 4.2.8 p2-rc1 All All
Application Ntp Ntp 4.2.8 p2-rc2 All All
Application Ntp Ntp 4.2.8 p2-rc3 All All
Application Ntp Ntp 4.2.8 p3 All All
Application Ntp Ntp 4.2.8 p3-rc1 All All
Application Ntp Ntp 4.2.8 p3-rc2 All All
Application Ntp Ntp 4.2.8 p3-rc3 All All
Application Ntp Ntp 4.2.8 p4 All All
Application Ntp Ntp 4.2.8 p5 All All
Application Ntp Ntp 4.2.8 p6 All All
Application Ntp Ntp 4.2.8 p7 All All
Operating System Opensuse Leap 42.1 All All All
Operating System Opensuse Leap 42.1 All All All
Operating System Opensuse Opensuse 13.2 All All All
Operating System Opensuse Opensuse 13.2 All All All
Operating System Oracle Solaris 10 All All All
Operating System Oracle Solaris 11.3 All All All
Operating System Oracle Solaris 10 All All All
Operating System Oracle Solaris 11.3 All All All
Hardware Siemens Simatic Net Cp 443-1 Opc Ua - All All All
Operating System Siemens Simatic Net Cp 443-1 Opc Ua Firmware All All All All
Hardware Siemens Tim 4r-ie - All All All
Hardware Siemens Tim 4r-ie Dnp3 - All All All
Operating System Siemens Tim 4r-ie Dnp3 Firmware All All All All
Operating System Siemens Tim 4r-ie Firmware All All All All
Operating System Suse Linux Enterprise Desktop 12 sp1 All All
Operating System Suse Linux Enterprise Desktop 12 sp1 All All
Operating System Suse Linux Enterprise Server 11 sp2 All All
Operating System Suse Linux Enterprise Server 11 sp3 All All
Operating System Suse Linux Enterprise Server 11 sp4 All All
Operating System Suse Linux Enterprise Server 12 sp1 All All
Operating System Suse Linux Enterprise Server 11 sp2 All All
Operating System Suse Linux Enterprise Server 11 sp3 All All
Operating System Suse Linux Enterprise Server 11 sp4 All All
Operating System Suse Linux Enterprise Server 12 sp1 All All
Application Suse Manager 2.1 All All All
Application Suse Manager 2.1 All All All
Application Suse Manager Proxy 2.1 All All All
Application Suse Manager Proxy 2.1 All All All
Application Suse Openstack Cloud 5 All All All
Application Suse Openstack Cloud 5 All All All

References

ReferenceSourceLinkTags
Oracle Solaris Bulletin - April 2016 CONFIRM www.oracle.com Third Party Advisory
Document Display | HPE Support Center CONFIRM h20566.www2.hpe.com Third Party Advisory
SecurityFocus BUGTRAQ www.securityfocus.com
[security-announce] openSUSE-SU-2016:1636-1: important: Security update SUSE lists.opensuse.org Mailing List, Third Party Advisory
Siemens SIMATIC NET CP 443-1 OPC UA | CISA MISC us-cert.cisa.gov
[security-announce] openSUSE-SU-2016:1583-1: important: Security update SUSE lists.opensuse.org Mailing List, Third Party Advisory
[security-announce] SUSE-SU-2016:1568-1: important: Security update for SUSE lists.opensuse.org
Bug 3045 – Bad authentication demobilizes ephemeral associations CONFIRM bugs.ntp.org Issue Tracking, Vendor Advisory
support.ntp.org/bin/view/Main/NtpBug3045 CONFIRM support.ntp.org Patch, Vendor Advisory
NTP: Multiple vulnerabilities (GLSA 201607-15) — Gentoo Security GENTOO security.gentoo.org Third Party Advisory
Vulnerability Note VU#321640 - NTP.org ntpd is vulnerable to denial of service and other vulnerabilities CERT-VN www.kb.cert.org
[security-announce] SUSE-SU-2016:1602-1: important: Security update for SUSE lists.opensuse.org Mailing List, Third Party Advisory
cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf CONFIRM cert-portal.siemens.com
SecurityFocus BUGTRAQ www.securityfocus.com
SecurityFocus BUGTRAQ www.securityfocus.com
NTP CVE-2016-4953 Denial of Service Vulnerability BID www.securityfocus.com Third Party Advisory, VDB Entry
ntp Multiple Bugs Let Remote Users Modify Parameters and Deny Service - SecurityTracker SECTRACK www.securitytracker.com Third Party Advisory, VDB Entry
support.ntp.org/bin/view/Main/SecurityNotice CONFIRM support.ntp.org Vendor Advisory
Multiple Vulnerabilities in Network Time Protocol Daemon Affecting Cisco Products: June 2016 CISCO tools.cisco.com
SecurityFocus BUGTRAQ www.securityfocus.com
Vulnerability Note VU#321640 - NTP.org ntpd is vulnerable to denial of service and other vulnerabilities CERT-VN www.kb.cert.org Third Party Advisory, US Government Resource
Slackware Security Advisory - ntp Updates ≈ Packet Storm MISC packetstormsecurity.com
[security-announce] SUSE-SU-2016:1563-1: important: Security update for SUSE lists.opensuse.org Mailing List, Third Party Advisory
SecurityFocus BUGTRAQ www.securityfocus.com
[security-announce] SUSE-SU-2016:1912-1: important: Security update for SUSE lists.opensuse.org
[security-announce] SUSE-SU-2016:2094-1: important: Security update for SUSE lists.opensuse.org
SecurityFocus BUGTRAQ www.securityfocus.com
Siemens TIM 4R-IE Devices | CISA CONFIRM us-cert.cisa.gov
FreeBSD Security Advisory - FreeBSD-SA-16:24.ntp ≈ Packet Storm MISC packetstormsecurity.com
[security-announce] SUSE-SU-2016:1584-1: important: Security update for SUSE lists.opensuse.org Mailing List, Third Party Advisory
FreeBSD-SA-16:24 FREEBSD security.FreeBSD.org Third Party Advisory
cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf CONFIRM cert-portal.siemens.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 590721 Siemens TIM 4R-IE Devices Multiple Vulnerabilities (ICSA-21-103-11)
  • 590736 Siemens SIMATIC NET CP 443-1 OPC UA Multiple Vulnerabilities (ICSA-21-159-11)
  • 690292 Free Berkeley Software Distribution (FreeBSD) Security Update for FreeBSD (7cfcea05-600a-11e6-a6c3-14dae9d210b8)
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