It was discovered that ntpd as a client did not correctly check the originate timestamp in received packets. A remote attacker could use this flaw to send a crafted packet to an ntpd client that would effectively disable synchronization with the server, or push arbitrary offset/delay measurements to modify the time on the client.
Platform | Package | Release Date | Advisory |
---|---|---|---|
Amazon Linux 1 | ntp | 2016-02-09 13:30 | ALAS-2016-649 |
Score Type | Score | Vector | |
---|---|---|---|
Amazon Linux | CVSSv2 | 6.4 | AV:N/AC:L/Au:N/C:N/I:P/A:P |
NVD | CVSSv2 | 5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
NVD | CVSSv3 | 5.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |