#VU12125 Configuration error in ntp - CVE-2017-6463
Published: April 24, 2018
Vulnerability identifier: #VU12125
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:U/U:Green
CVE-ID: CVE-2017-6463
CWE-ID: CWE-16
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
ntp
ntp
Software vendor:
ntp.org
ntp.org
Description
The vulnerability allows a remote authenticated attacker to cause DoS condition on the target system.
The weakness exists in the unpeer option due to the NTP server's parsing of configuration directives. A remote attacker can submit a specially crafted message and cause the service to crash.
The weakness exists in the unpeer option due to the NTP server's parsing of configuration directives. A remote attacker can submit a specially crafted message and cause the service to crash.
Remediation
Update to versions 4.2.8p10 or 4.3.94.