CVE-2016-4956

Description

ntpd in NTP 4.x before 4.2.8p8 allows remote attackers to cause a denial of service (interleaved-mode transition and time change) via a spoofed broadcast packet. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-1548.

References

http://bugs.ntp.org/3042

http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00018.html

http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00023.html

http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00024.html

http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00028.html

http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00040.html

http://support.ntp.org/bin/view/Main/NtpBug3042

http://support.ntp.org/bin/view/Main/SecurityNotice

http://www.kb.cert.org/vuls/id/321640

http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html

http://www.securityfocus.com/bid/91009

http://www.securitytracker.com/id/1036037

https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03757en_us

https://security.FreeBSD.org/advisories/FreeBSD-SA-16:24.ntp.asc

https://security.gentoo.org/glsa/201607-15

Details

Risk Information

CVSS v2.0

CVSS v3.0