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Status published
Critical
CVE-2015-7871
Crypto-NAK packets in ntpd in NTP 4.2.x before 4.2.8p4, and...
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://support.ntp.org/bin/view/Main/NtpBug2941
- https://bugzilla.redhat.com/show_bug.cgi?id=1274265
- http://www.securitytracker.com/id/1033951
- http://www.debian.org/security/2015/dsa-3388
- http://www.securityfocus.com/bid/77287
- https://security.gentoo.org/glsa/201604-03
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05270839
- https://security.gentoo.org/glsa/201607-15
- https://security.netapp.com/advisory/ntap-20171004-0001/
- https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf
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Affected Vendor
Affected Software
ntp, debian linux, oncommand balance, oncommand performance manager, oncommand unified manager, clustered data ontap, data ontap
Vulnerable Versions:
4.2.6, 4.3.0, 4.2.5, 4.2.8, 7.0, 8.0, 9.0
Timeline
Official Publish:
August 7th, 2017
Last Modified:
August 6th, 2024
Added to House:
July 19th, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.