National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2016-4954 Detail

Current Description

The process_packet function in ntp_proto.c in ntpd in NTP 4.x before 4.2.8p8 allows remote attackers to cause a denial of service (peer-variable modification) by sending spoofed packets from many source IP addresses in a certain scenario, as demonstrated by triggering an incorrect leap indication.

Source:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: 4.0 MEDIUM
Vector:  CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:L

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://bugs.ntp.org/3044
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/NtpBug3044 Patch Vendor Advisory
http://support.ntp.org/bin/view/Main/SecurityNotice Vendor Advisory
http://www.kb.cert.org/vuls/id/321640 Third Party Advisory US Government Resource
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
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

Weakness Enumeration

CWE-ID CWE Name Source
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') NIST  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:ntp:ntp:4.0.72:*:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.0.73:*:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.0.90:*:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.0.91:*:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.0.92:*:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.0.93:*:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.0.94:*:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.0.95:*:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.0.96:*:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.0.97:*:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.0.98:*:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.0.99:*:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.1.0:*:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.1.2:*:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.0:*:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.2:*:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.2:p1:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.2:p2:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.2:p3:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.2:p4:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.4:*:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.4:p0:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.4:p1:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.4:p2:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.4:p3:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.4:p4:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.4:p5:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.4:p6:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.4:p7:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.4:p7_rc1:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.4:p7_rc2:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.4:p7_rc3:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.4:p7_rc4:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.4:p7_rc5:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.4:p7_rc6:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.4:p7_rc7:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.4:p8:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p124:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p125:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p126:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p127:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p128:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p129:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p130:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p131:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p132:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p133:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p134:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p135:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p136:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p137:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p138:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p139:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p140:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p141:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p142:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p143:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p144:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p145:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p146:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p147:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p148:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p149:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p150:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p151:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p152:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p153:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p154:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p155:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p156:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p157:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p158:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p159:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p160:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p161:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p162:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p163:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p164:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p165:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p166:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p167:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p168:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p169:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p170:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p171:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p172:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p173:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p174:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p175:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p176:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p177:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p178:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p179:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p180:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p181:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p182:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p183:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p184:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p185:*:*:*:*:*:*
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 cpe:2.3:a:ntp:ntp:4.2.5:p186:*:*:*:*:*:*
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Showing 100 of 710 CPE Match Criteria, view all CPEs here


Change History

8 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-4954
NVD Published Date:
07/04/2016
NVD Last Modified:
11/20/2017