VIR Vulnerability Intelligence Relay

CVE-2017-6463

medium
Published 2017-03-27 · Modified 2026-05-13
💬 Discuss on Community ✚ Propose mitigation
CVSS v3
6.5
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4 NEW
—
not yet in upstream
VIR risk
6.5

Description

NTP before 4.2.8p10 and 4.3.x before 4.3.94 allows remote authenticated users to cause a denial of service (daemon crash) via an invalid setting in a :config directive, related to the unpeer option.

Predictions

Exploit likelihood
75%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact
OSVersionStatusFixed in
debian debianbullseyefixed1:4.2.8p10+dfsg-1

Application impact
VendorProductVersionsFixed
ntpntp4.2.8
ntpntp4.3.0
ntpntp4.3.1
ntpntp4.3.2
ntpntp4.3.3
ntpntp4.3.4
ntpntp4.3.5
ntpntp4.3.6
ntpntp4.3.7
ntpntp4.3.8
ntpntp4.3.9
ntpntp4.3.10
ntpntp4.3.11
ntpntp4.3.12
ntpntp4.3.13
ntpntp4.3.14
ntpntp4.3.15
ntpntp4.3.16
ntpntp4.3.17
ntpntp4.3.18
ntpntp4.3.19
ntpntp4.3.20
ntpntp4.3.21
ntpntp4.3.22
ntpntp4.3.23
ntpntp4.3.24
ntpntp4.3.25
ntpntp4.3.26
ntpntp4.3.27
ntpntp4.3.28
ntpntp4.3.29
ntpntp4.3.30
ntpntp4.3.31
ntpntp4.3.32
ntpntp4.3.33
ntpntp4.3.34
ntpntp4.3.35
ntpntp4.3.36
ntpntp4.3.37
ntpntp4.3.38
ntpntp4.3.39
ntpntp4.3.40
ntpntp4.3.41
ntpntp4.3.42
ntpntp4.3.43
ntpntp4.3.44
ntpntp4.3.45
ntpntp4.3.46
ntpntp4.3.47
ntpntp4.3.48
ntpntp4.3.49
ntpntp4.3.50
ntpntp4.3.51
ntpntp4.3.52
ntpntp4.3.53
ntpntp4.3.54
ntpntp4.3.55
ntpntp4.3.56
ntpntp4.3.57
ntpntp4.3.58
ntpntp4.3.59
ntpntp4.3.60
ntpntp4.3.61
ntpntp4.3.62
ntpntp4.3.63
ntpntp4.3.64
ntpntp4.3.65
ntpntp4.3.66
ntpntp4.3.67
ntpntp4.3.68
ntpntp4.3.69
ntpntp4.3.70
ntpntp4.3.71
ntpntp4.3.72
ntpntp4.3.73
ntpntp4.3.74
ntpntp4.3.75
ntpntp4.3.76
ntpntp4.3.77
ntpntp4.3.78
ntpntp4.3.79
ntpntp4.3.80
ntpntp4.3.81
ntpntp4.3.82
ntpntp4.3.83
ntpntp4.3.84
ntpntp4.3.85
ntpntp4.3.86
ntpntp4.3.87
ntpntp4.3.88
ntpntp4.3.89
ntpntp4.3.90
ntpntp4.3.91
ntpntp4.3.92
ntpntp4.3.93

References

CWEs

CWE-20

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.