Vulnerability CVE-2019-11331
Published: 2019-04-18   Modified: 2019-04-19

Description:
Network Time Protocol (NTP), as specified in RFC 5905, uses port 123 even for modes where a fixed port number is not required, which makes it easier for remote attackers to conduct off-path attacks.

Type:

CWE-254

 (Security Features)

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.8/10
6.4/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
NTP -> NTP 

 References:
http://www.securityfocus.com/bid/108010
https://support.f5.com/csp/article/K09940637
https://tools.ietf.org/html/draft-gont-ntp-port-randomization-00
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