National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2016-4957 Detail

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.

Source:  MITRE      Last Modified:  07/04/2016

Quick Info

CVE Dictionary Entry:
CVE-2016-4957
Original release date:
07/04/2016
Last revised:
11/20/2017
Source:
US-CERT/NIST

Impact

CVSS Severity (version 3.0):
CVSS v3 Base Score:
8.6 High
Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H (legend)
Impact Score:
4.0
Exploitability Score:
3.9
CVSS Version 3 Metrics:
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Changed
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
High
CVSS Severity (version 2.0):
CVSS v2 Base Score:
5.0 MEDIUM
Vector:
(AV:N/AC:L/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore:
2.9
Exploitability Subscore:
10.0
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
Low
Authentication:
Not required to exploit
Impact Type:
Allows disruption of service

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

Hyperlink Resource Type Source Name
http://bugs.ntp.org/3046 External Source CONFIRM http://bugs.ntp.org/3046
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00018.html Third Party Advisory External Source SUSE SUSE-SU-2016:1563
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00023.html Third Party Advisory External Source SUSE openSUSE-SU-2016:1583
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00024.html Third Party Advisory External Source SUSE SUSE-SU-2016:1584
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00028.html Third Party Advisory External Source SUSE SUSE-SU-2016:1602
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00040.html Third Party Advisory External Source SUSE openSUSE-SU-2016:1636
http://support.ntp.org/bin/view/Main/NtpBug3046 Patch; Vendor Advisory External Source CONFIRM http://support.ntp.org/bin/view/Main/NtpBug3046
http://support.ntp.org/bin/view/Main/SecurityNotice Vendor Advisory External Source CONFIRM http://support.ntp.org/bin/view/Main/SecurityNotice
http://www.kb.cert.org/vuls/id/321640 Third Party Advisory; US Government Resource External Source CERT-VN VU#321640
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html Third Party Advisory External Source CONFIRM http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
http://www.securitytracker.com/id/1036037 External Source SECTRACK 1036037
https://security.FreeBSD.org/advisories/FreeBSD-SA-16:24.ntp.asc External Source FREEBSD FreeBSD-SA-16:24
https://security.gentoo.org/glsa/201607-15 External Source GENTOO GLSA-201607-15

Technical Details

Vulnerability Type (View All)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:o:oracle:solaris:10:*:*:*:*:*:*:*
cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:*
Configuration 2
OR
cpe:2.3:o:novell:leap:42.1:*:*:*:*:*:*:*
cpe:2.3:o:novell:opensuse:13.2:*:*:*:*:*:*:*
cpe:2.3:o:novell:suse_linux_enterprise_debuginfo:11.0:sp2:*:*:*:*:*:*
cpe:2.3:o:novell:suse_linux_enterprise_debuginfo:11.0:sp3:*:*:*:*:*:*
cpe:2.3:o:novell:suse_linux_enterprise_debuginfo:11.0:sp4:*:*:*:*:*:*
cpe:2.3:o:novell:suse_linux_enterprise_desktop:12.0:sp1:*:*:*:*:*:*
cpe:2.3:o:novell:suse_linux_enterprise_server:11.0:sp2:*:*:ltss:*:*:*
cpe:2.3:o:novell:suse_linux_enterprise_server:11.0:sp3:*:*:ltss:*:*:*
cpe:2.3:o:novell:suse_linux_enterprise_server:11.0:sp4:*:*:*:*:*:*
cpe:2.3:o:novell:suse_linux_enterprise_server:12.0:sp1:*:*:*:*:*:*
cpe:2.3:o:novell:suse_manager:2.1:*:*:*:*:*:*:*
cpe:2.3:o:novell:suse_manager_proxy:2.1:*:*:*:*:*:*:*
cpe:2.3:o:novell:suse_openstack_cloud:5:*:*:*:*:*:*:*
Configuration 3
OR
cpe:2.3:a:ntp:ntp:4.0.72:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.0.73:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.0.90:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.0.91:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.0.92:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.0.93:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.0.94:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.0.95:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.0.96:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.0.97:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.0.98:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.0.99:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.1.0:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.1.2:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.0:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.2:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.2:p1:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.2:p2:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.2:p3:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.2:p4:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.4:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.4:p0:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.4:p1:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.4:p2:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.4:p3:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.4:p4:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.4:p5:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.4:p6:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.4:p7:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.4:p7_rc1:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.4:p7_rc2:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.4:p7_rc3:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.4:p7_rc4:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.4:p7_rc5:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.4:p7_rc6:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.4:p7_rc7:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.4:p8:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p124:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p125:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p126:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p127:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p128:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p129:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p130:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p131:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p132:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p133:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p134:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p135:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p136:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p137:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p138:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p139:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p140:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p141:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p142:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p143:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p144:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p145:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p146:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p147:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p148:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p149:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p150:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p151:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p152:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p153:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p154:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p155:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p156:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p157:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p158:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p159:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p160:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p161:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p162:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p163:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p164:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p165:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p166:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p167:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p168:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p169:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p170:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p171:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p172:*:*:*:*:*:*
Showing 100 of 725 CPEs, view all CPEs here.

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