Vulnerability identifier: #VU12125
Vulnerability risk: Medium
CVSSv3.1: 6.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-16
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
ntp
Server applications /
Other server solutions
Vendor: 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.
Mitigation
Update to versions 4.2.8p10 or 4.3.94.
Vulnerable software versions
ntp: 4.2.8 - 4.3.93
External links
http://support.ntp.org/bin/view/Main/NtpBug3387
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.