Input validation error in ntp - CVE-2016-7431

 

Input validation error in ntp - CVE-2016-7431

Published: January 13, 2017 / Updated: August 8, 2020


Vulnerability identifier: #VU39824
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2016-7431
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: ntp.org
Affected software:
ntp

Detailed vulnerability description

The vulnerability allows a remote non-authenticated attacker to manipulate data.

NTP before 4.2.8p9 allows remote attackers to bypass the origin timestamp protection mechanism via an origin timestamp of zero. NOTE: this vulnerability exists because of a CVE-2015-8138 regression.


How to mitigate CVE-2016-7431

Install update from vendor's website.

Sources