CVE-2016-7429
ntp: Attack on interface selection
Severity
LowRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · November 21, 2016
Updated · May 13, 2026
Description
A flaw was found in the way ntpd running on a host with multiple network interfaces handled certain server responses. A remote attacker could use this flaw which would cause ntpd to not synchronize with the source.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
If you are going to configure your OS to disable source address checks, also configure your firewall configuration to control what interfaces can receive packets from what networks.
CVSS / CWE
CVSS 3.0 · 3.7CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS 2.0 · 2.6AV:N/AC:H/Au:N/C:N/I:N/A:P
CWE not specified