National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2015-7704 Detail

Current Description

The ntpd client in NTP 4.x before 4.2.8p4 and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service via a number of crafted "KOD" messages.

Source:  MITRE
Description Last Modified:  08/07/2017
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.5 HIGH
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H (V3 legend)
Impact Score: 3.6
Exploitability Score: 3.9


Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 5.0 MEDIUM
Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Insufficient_Info
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://bugs.ntp.org/show_bug.cgi?id=2901 Issue Tracking Third Party Advisory Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2015-1930.html
http://rhn.redhat.com/errata/RHSA-2015-2520.html
http://support.ntp.org/bin/view/Main/NtpBug2901 Patch Vendor Advisory
http://support.ntp.org/bin/view/Main/SecurityNotice#October_2015_NTP_4_2_8p4_Securit Patch Vendor Advisory
http://www.debian.org/security/2015/dsa-3388
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
http://www.securityfocus.com/bid/77280 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1033951
https://bugzilla.redhat.com/show_bug.cgi?id=1271070 Issue Tracking Third Party Advisory VDB Entry
https://eprint.iacr.org/2015/1020.pdf Technical Description
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05270839 Third Party Advisory VDB Entry
https://security.gentoo.org/glsa/201607-15 Third Party Advisory VDB Entry
https://security.netapp.com/advisory/ntap-20171004-0001/
https://security.netapp.com/advisory/ntap-20171004-0002/
https://support.citrix.com/article/CTX220112
https://www.cs.bu.edu/~goldbe/NTPattack.html Not Applicable
https://www.kb.cert.org/vuls/id/718152 Patch Third Party Advisory US Government Resource

Technical Details

Vulnerability Type (View All)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
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:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p173:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p174:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p175:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p176:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p177:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p178:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p179:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p180:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p181:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p182:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p183:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p184:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p185:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p186:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p187:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p188:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p189:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p190:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p191:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p192:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p193:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p194:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p195:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p196:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p197:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p198:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p199:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p200:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.2.5:p201:*:*:*:*:*:*
Showing 100 of 769 CPEs, view all CPEs here.

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Change History

8 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2015-7704
NVD Published Date:
08/07/2017
NVD Last Modified:
05/17/2018