CVE-2017-6462

Impact:
Low
Public Date:
2017-03-21
IAVA:
2017-A-0084
CWE:
CWE-20->CWE-121
Bugzilla:
1433995: CVE-2017-6462 ntp: Buffer Overflow in DPTS Clock
A vulnerability was found in NTP, in the parsing of packets from the /dev/datum device. A malicious device could send crafted messages, causing ntpd to crash.

Find out more about CVE-2017-6462 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v3 metrics

CVSS3 Base Score 6.4
CVSS3 Base Metrics CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Physical
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity Impact High
Availability Impact High

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 7 (ntp) RHSA-2018:0855 2018-04-10
Red Hat Enterprise Linux 6 (ntp) RHSA-2017:3071 2017-10-26

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 5 ntp Will not fix

Acknowledgements

Red Hat would like to thank the NTP project for reporting this issue. Upstream acknowledges Cure53 as the original reporter.

Mitigation

Properly monitor your ntpd instances, and auto-restart ntpd (without -g) if it stops running.

Last Modified
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