CVE-2015-7974

7.7 HIGH
Published: January 26, 2016 Modified: May 06, 2026
View on NVD

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."

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://bugs.ntp.org/show_bug.cgi?id=2936
Source: cve@mitre.org
Issue Tracking Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2016-2583.html
Source: cve@mitre.org
Third Party Advisory
http://support.ntp.org/bin/view/Main/NtpBug2936
Source: cve@mitre.org
Vendor Advisory
http://www.debian.org/security/2016/dsa-3629
Source: cve@mitre.org
Third Party Advisory
http://www.securityfocus.com/bid/81960
Source: cve@mitre.org
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1034782
Source: cve@mitre.org
Third Party Advisory VDB Entry
http://www.talosintel.com/reports/TALOS-2016-0071/
Source: cve@mitre.org
Exploit Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf
Source: cve@mitre.org
Third Party Advisory
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03750en_us
Source: cve@mitre.org
Third Party Advisory
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03766en_us
Source: cve@mitre.org
Third Party Advisory
https://security.FreeBSD.org/advisories/FreeBSD-SA-16:09.ntp.asc
Source: cve@mitre.org
Third Party Advisory
https://security.gentoo.org/glsa/201607-15
Source: cve@mitre.org
Third Party Advisory
https://security.netapp.com/advisory/ntap-20171031-0001/
Source: cve@mitre.org
Third Party Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11
Source: cve@mitre.org
Third Party Advisory US Government Resource
http://bugs.ntp.org/show_bug.cgi?id=2936
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2016-2583.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://support.ntp.org/bin/view/Main/NtpBug2936
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://www.debian.org/security/2016/dsa-3629
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.securityfocus.com/bid/81960
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1034782
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://www.talosintel.com/reports/TALOS-2016-0071/
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03750en_us
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03766en_us
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://security.FreeBSD.org/advisories/FreeBSD-SA-16:09.ntp.asc
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://security.gentoo.org/glsa/201607-15
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://security.netapp.com/advisory/ntap-20171031-0001/
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory US Government Resource

28 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.7 / 10.0
EPSS (Exploit Probability)
10.7%
93th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-287

Affected Vendors

netapp debian ntp siemens

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