Input validation error in ntp - CVE-2016-7434

 

Input validation error in ntp - CVE-2016-7434

Published: January 13, 2017 / Updated: August 10, 2020


Vulnerability identifier: #VU39825
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2016-7434
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vendor: ntp.org
Affected software:
ntp

Detailed vulnerability description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The read_mru_list function in NTP before 4.2.8p9 allows remote attackers to cause a denial of service (crash) via a crafted mrulist query.


How to mitigate CVE-2016-7434

Install update from vendor's website.

Sources