Vulnerability identifier: #VU12304
Vulnerability risk: Medium
CVSSv3.1: 7.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-682
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
ntp
Server applications /
Other server solutions
Vendor: ntp.org
Description
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to improper performance of the initial sync calculations. A remote attacker can cause the service to crash via unknown vectors, related to a "root distance that did not include the peer dispersion."
Mitigation
Update to version 4.2.8p9.
Vulnerable software versions
ntp: 4.2.8p1 - 4.2.8p8
External links
http://www.nwtime.org/ntp428p9_release/
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.