CVE-2016-4957

HIGH 7.5CVE-2016-4957 · Published 05/07/2016 · updated 17/06/2026

Package	Affected versions	Patched versions
ntp ntp	`= 4.2.8= 4.3.92`	No fix yet
manager proxy suse	`= 2.1`	No fix yet
openstack cloud suse	`= 5`	No fix yet

Description

ntpd in NTP before 4.2.8p8 allows remote attackers to cause a denial of service (daemon crash) via a crypto-NAK packet. NOTE: this vulnerability exists because of an incorrect fix for CVE-2016-1547.

References

bugs.ntp.org/3046 · Issue Tracking
lists.opensuse.org/opensuse-security-announce/2016-06/msg00018.html · Mailing List
lists.opensuse.org/opensuse-security-announce/2016-06/msg00023.html · Mailing List
lists.opensuse.org/opensuse-security-announce/2016-06/msg00024.html · Mailing List
lists.opensuse.org/opensuse-security-announce/2016-06/msg00028.html · Mailing List
lists.opensuse.org/opensuse-security-announce/2016-06/msg00040.html · Mailing List
support.ntp.org/bin/view/Main/NtpBug3046 · Patch
support.ntp.org/bin/view/Main/SecurityNotice · Release Notes
kb.cert.org/vuls/id/321640 · Third Party Advisory
oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html · Third Party Advisory
securitytracker.com/id/1036037 · Third Party Advisory
security.freebsd.org/advisories/FreeBSD-SA-16:24.ntp.asc · Third Party Advisory
security.gentoo.org/glsa/201607-15 · Third Party Advisory

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