Vulnerability identifier: #VU12304
Vulnerability risk: Medium
Exploitation vector: Network
Exploit availability: No
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."
Update to version 4.2.8p9.
Vulnerable software versions
ntp: 4.2.8p1, 4.2.8p2, 4.2.8p3, 4.2.8p4, 4.2.8p5, 4.2.8p6, 4.2.8p7, 4.2.8p8
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.