CVE-2015-7974

Published: Jan 26, 2016Modified: May 6, 2026

7.7

Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N

Exploitability: 3.1 / Impact: 4.0

Source: 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."

Affected (27)

Products: Ntp: Ntp · Siemens: Tim 4r Ie Firmware, Tim 4r Ie Dnp3 Firmware · Netapp: Clustered Data Ontap, Oncommand Balance · +1 more

Show all products

Ntp: Ntp · Siemens: Tim 4r Ie Firmware, Tim 4r Ie Dnp3 Firmware · Netapp: Clustered Data Ontap, Oncommand Balance · Debian: Debian Linux

1 product

2 products

Tim 4r Ie Firmware

Tim 4r Ie Dnp3 Firmware

2 products

Clustered Data Ontap

Oncommand Balance

1 product

Configuration A

21 vulnerable

Vulnerable Software	Affected Versions
Ntp Ntp	From 4.2.0 to 4.2.8
Ntp Ntp	From 4.3.0 to 4.3.90
Ntp Ntp	Version 4.2.8
Ntp Ntp	Version 4.2.8 p1-beta1
Ntp Ntp	Version 4.2.8 p1-beta2
Ntp Ntp	Version 4.2.8 p1-beta3
Ntp Ntp	Version 4.2.8 p1-beta4
Ntp Ntp	Version 4.2.8 p1-beta5
Ntp Ntp	Version 4.2.8 p1-rc1
Ntp Ntp	Version 4.2.8 p1-rc2
Ntp Ntp	Version 4.2.8 p1
Ntp Ntp	Version 4.2.8 p2-rc1
Ntp Ntp	Version 4.2.8 p2-rc2
Ntp Ntp	Version 4.2.8 p2-rc3
Ntp Ntp	Version 4.2.8 p2
Ntp Ntp	Version 4.2.8 p3-rc1
Ntp Ntp	Version 4.2.8 p3-rc2
Ntp Ntp	Version 4.2.8 p3-rc3
Ntp Ntp	Version 4.2.8 p3
Ntp Ntp	Version 4.2.8 p4
Ntp Ntp	Version 4.2.8 p5

Configuration B

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Siemens Tim 4r Ie Firmware	All versions

Running on/with	Platform Versions
Siemens Tim 4r Ie	All versions

Configuration C

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Siemens Tim 4r Ie Dnp3 Firmware	All versions

Running on/with	Platform Versions
Siemens Tim 4r Ie Dnp3	All versions

Configuration D

2 vulnerable

Vulnerable Software	Affected Versions
Netapp Clustered Data Ontap	All versions
Netapp Oncommand Balance	All versions

Configuration E

2 vulnerable

Vulnerable Software	Affected Versions
Debian Debian Linux	Version 8.0
Debian Debian Linux	Version 9.0

Related CWEs

Improper Authentication

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

References (28)

http://bugs.ntp.org/show_bug.cgi?id=2936

Source: cve@mitre.org

Issue TrackingVendor 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 AdvisoryVDB Entry

http://www.securitytracker.com/id/1034782

Source: cve@mitre.org

Third Party AdvisoryVDB Entry

http://www.talosintel.com/reports/TALOS-2016-0071/

Source: cve@mitre.org

ExploitThird 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 AdvisoryUS Government Resource

http://bugs.ntp.org/show_bug.cgi?id=2936

Source: af854a3a-2127-422b-91ae-364da2661108

Issue TrackingVendor 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 AdvisoryVDB Entry

http://www.securitytracker.com/id/1034782

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party AdvisoryVDB Entry

http://www.talosintel.com/reports/TALOS-2016-0071/

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitThird 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 AdvisoryUS Government Resource

Timeline

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