Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2015-7871

Crypto-NAK packets in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to bypass authentication.

Published

2017-08-07T20:29:00.997

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Primary
CWE-287

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	ntp	ntp	< 4.2.8	Yes
Application	ntp	ntp	< 4.3.77	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.5	Yes
Application	ntp	ntp	4.2.8	Yes
Application	ntp	ntp	4.2.8	Yes
Application	ntp	ntp	4.2.8	Yes
Application	ntp	ntp	4.2.8	Yes
Application	ntp	ntp	4.2.8	Yes
Application	ntp	ntp	4.2.8	Yes
Application	ntp	ntp	4.2.8	Yes
Application	ntp	ntp	4.2.8	Yes
Application	ntp	ntp	4.2.8	Yes
Application	ntp	ntp	4.2.8	Yes
Application	ntp	ntp	4.2.8	Yes
Application	ntp	ntp	4.2.8	Yes
Application	ntp	ntp	4.2.8	Yes
Application	ntp	ntp	4.2.8	Yes
Application	ntp	ntp	4.2.8	Yes
Application	ntp	ntp	4.2.8	Yes
Operating System	debian	debian_linux	7.0	Yes
Operating System	debian	debian_linux	8.0	Yes
Operating System	debian	debian_linux	9.0	Yes
Application	netapp	oncommand_balance	-	Yes
Application	netapp	oncommand_performance_manager	-	Yes
Application	netapp	oncommand_unified_manager	-	Yes
Operating System	netapp	clustered_data_ontap	-	Yes
Operating System	netapp	data_ontap	-	Yes

References

http://support.ntp.org/bin/view/Main/NtpBug2941 Vendor Advisory ([email protected])
http://www.debian.org/security/2015/dsa-3388 Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/77287 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id/1033951 Third Party Advisory, VDB Entry ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=1274265 Issue Tracking, Third Party Advisory, VDB Entry ([email protected])
https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf ([email protected])
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05270839 Third Party Advisory, VDB Entry ([email protected])
https://security.gentoo.org/glsa/201604-03 Third Party Advisory, VDB Entry ([email protected])
https://security.gentoo.org/glsa/201607-15 Third Party Advisory, VDB Entry ([email protected])
https://security.netapp.com/advisory/ntap-20171004-0001/ Third Party Advisory ([email protected])
http://support.ntp.org/bin/view/Main/NtpBug2941 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2015/dsa-3388 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/77287 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1033951 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=1274265 Issue Tracking, Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf (af854a3a-2127-422b-91ae-364da2661108)
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05270839 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201604-03 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201607-15 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://security.netapp.com/advisory/ntap-20171004-0001/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)