Vulnerability CVE-2017-6463
Published: 2017-03-27

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.

Type:

CWE-20

 (Improper Input Validation)

CVSS2 => (AV:N/AC:L/Au:S/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4/10
2.9/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
NTP -> NTP 

 References:
http://support.ntp.org/bin/view/Main/NtpBug3387
http://support.ntp.org/bin/view/Main/SecurityNotice#March_2017_ntp_4_2_8p10_NTP_Secu
http://www.securityfocus.com/bid/97049
http://www.securitytracker.com/id/1038123
https://access.redhat.com/errata/RHSA-2017:3071
https://access.redhat.com/errata/RHSA-2018:0855
https://security.FreeBSD.org/advisories/FreeBSD-SA-17:03.ntp.asc
https://support.apple.com/HT208144
https://usn.ubuntu.com/3707-2/
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