CVE-2016-4955
Public on 2016-07-05
Modified on 2017-01-04
Description
ntpd in NTP 4.x before 4.2.8p8, when autokey is enabled, allows remote attackers to cause a denial of service (peer-variable clearing and association outage) by sending (1) a spoofed crypto-NAK packet or (2) a packet with an incorrect MAC value at a certain time.
Severity
Low
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | ntp | 2016-08-01 | ALAS-2016-727 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv2 | 2.6 | AV:N/AC:H/Au:N/C:N/I:N/A:P |
| NVD | CVSSv2 | 4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
| NVD | CVSSv3 | 5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |