CVE-2016-4953

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.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

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

References

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

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