Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2016-4957

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.

Published

2016-07-05T01:59:04.283

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-476

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	ntp	ntp	4.2.8	Yes
Application	ntp	ntp	4.3.92	Yes
Operating System	oracle	solaris	10	Yes
Operating System	oracle	solaris	11.3	Yes
Application	suse	manager_proxy	2.1	Yes
Application	suse	openstack_cloud	5	Yes
Operating System	novell	suse_manager	2.1	Yes
Operating System	opensuse	leap	42.1	Yes
Operating System	opensuse	opensuse	13.2	Yes
Operating System	suse	linux_enterprise_desktop	12	Yes
Operating System	suse	linux_enterprise_server	11	Yes
Operating System	suse	linux_enterprise_server	11	Yes
Operating System	suse	linux_enterprise_server	11	Yes
Operating System	suse	linux_enterprise_server	12	Yes

References

http://bugs.ntp.org/3046 Issue Tracking, Vendor Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00018.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00023.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00024.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00028.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00040.html Mailing List, Third Party Advisory ([email protected])
http://support.ntp.org/bin/view/Main/NtpBug3046 Patch, Vendor Advisory ([email protected])
http://support.ntp.org/bin/view/Main/SecurityNotice Release Notes, Vendor Advisory ([email protected])
http://www.kb.cert.org/vuls/id/321640 Third Party Advisory, US Government Resource ([email protected])
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html Third Party Advisory ([email protected])
http://www.securitytracker.com/id/1036037 Third Party Advisory, VDB Entry ([email protected])
https://security.FreeBSD.org/advisories/FreeBSD-SA-16:24.ntp.asc Third Party Advisory ([email protected])
https://security.gentoo.org/glsa/201607-15 Third Party Advisory ([email protected])
http://bugs.ntp.org/3046 Issue Tracking, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00018.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00023.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00024.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00028.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00040.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://support.ntp.org/bin/view/Main/NtpBug3046 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://support.ntp.org/bin/view/Main/SecurityNotice Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.kb.cert.org/vuls/id/321640 Third Party Advisory, US Government Resource (af854a3a-2127-422b-91ae-364da2661108)
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1036037 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://security.FreeBSD.org/advisories/FreeBSD-SA-16:24.ntp.asc Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201607-15 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)