CVE-2016-4953
Published: 5 July 2016
ntpd in NTP 4.x before 4.2.8p8 allows remote attackers to cause a denial of service (ephemeral-association demobilization) by sending a spoofed crypto-NAK packet with incorrect authentication data at a certain time.
Notes
Author | Note |
---|---|
mdeslaur | incomplete fix for CVE-2015-7979 and CVE-2016-1547 redhat's fix for CVE-2015-7979 doesn't introduce this CVE Ubuntu uses redhat's fix |
Priority
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.5 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |