National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2015-7974 Detail

Current Description

NTP 4.x before 4.2.8p6 and 4.3.x before 4.3.90 do not verify peer associations of symmetric keys when authenticating packets, which might allow remote attackers to conduct impersonation attacks via an arbitrary trusted key, aka a "skeleton key."

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 6.3 MEDIUM
Vector: AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:N (V3.0 legend)
Impact Score: 4.0
Exploitability Score: 1.8


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

CVSS v2.0 Severity and Metrics:

Base Score: 2.1 LOW
Vector: (AV:N/AC:H/Au:S/C:N/I:P/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 3.9


Access Vector (AV): Network
Access Complexity (AC): High
Authentication (AU): Single
Confidentiality (C): None
Integrity (I): Partial
Availability (A): None
Additional Information:
Allows unauthorized modification

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://bugs.ntp.org/show_bug.cgi?id=2936 Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2016-2583.html
http://support.ntp.org/bin/view/Main/NtpBug2936 Vendor Advisory
http://www.debian.org/security/2016/dsa-3629
http://www.securityfocus.com/bid/81960
http://www.securitytracker.com/id/1034782
http://www.talosintel.com/reports/TALOS-2016-0071/
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03750en_us
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03766en_us
https://security.FreeBSD.org/advisories/FreeBSD-SA-16:09.ntp.asc
https://security.gentoo.org/glsa/201607-15
https://security.netapp.com/advisory/ntap-20171031-0001/

Technical Details

Vulnerability Type (View All)

  • 7PK - Security Features (CWE-254)

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:4.2.4: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:p128:*:*:*:*:*:*
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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:p141:*:*:*:*:*:*
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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:p149:*:*:*:*:*:*
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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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 cpe:2.3:a:ntp:ntp:4.2.5:p187:*:*:*:*:*:*
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Showing 100 of 797 CPEs, view all CPEs here.

Change History

11 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2015-7974
NVD Published Date:
01/26/2016
NVD Last Modified:
01/04/2018