CVE-2017-6463

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.

Category

6.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 1.85% Top 20%
Vendor Advisory ubuntu.com Vendor Advisory FreeBSD.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory ntp.org Vendor Advisory ntp.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securitytracker.com/id/1038123 vdb entry third party advisory
https://support.apple.com/HT208144
https://usn.ubuntu.com/3707-2/ vendor advisory
https://security.FreeBSD.org/advisories/FreeBSD-SA-17:03.ntp.asc vendor advisory
http://www.securityfocus.com/bid/97049 vdb entry third party advisory
https://access.redhat.com/errata/RHSA-2017:3071 vendor advisory
http://support.ntp.org/bin/view/Main/SecurityNotice#March_2017_ntp_4_2_8p10_NTP_Secu vendor advisory
http://support.ntp.org/bin/view/Main/NtpBug3387 vendor advisory
https://access.redhat.com/errata/RHSA-2018:0855 vendor advisory
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03962en_us

Frequently Asked Questions

What is the severity of CVE-2017-6463?
CVE-2017-6463 has been scored as a medium severity vulnerability.
How to fix CVE-2017-6463?
To fix CVE-2017-6463, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-6463 being actively exploited in the wild?
It is possible that CVE-2017-6463 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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