CCE-92365-6| Platform: cpe:/o:amazon:linux, cpe:/o:amazon:linux:2 | Date: (C)2021-06-14 (M)2023-07-14 |
Description:
chrony is a daemon which implements the Network Time Protocol (NTP) and is designed to synchronize system clocks across a variety of systems and use a source that is highly accurate.
chrony can be configured to be a client and/or a server.
Rationale:
If chrony is in use on the system proper configuration is vital to ensuring time synchronization is working properly.
Note:
This recommendation only applies if chrony is in use on the system.
Remediation:
Add or edit server or pool lines to /etc/chrony.conf as appropriate:
server
Add or edit the OPTIONS in /etc/sysconfig/chronyd to include '-u chrony
OPTIONS="-u chrony"
Parameter:
[0.amazon.pool.ntp.org]
Technical Mechanism:
Add or edit server or pool lines to /etc/chrony.conf as appropriate:
server remote-server
Add or edit the OPTIONS in /etc/sysconfig/chronyd to include '-u chrony
OPTIONS="-u chrony"
| CCSS Severity: | CCSS Metrics: |
| CCSS Score : 8.1 | Attack Vector: NETWORK |
| Exploit Score: 2.2 | Attack Complexity: HIGH |
| Impact Score: 5.9 | Privileges Required: NONE |
| Severity: HIGH | User Interaction: NONE |
| Vector: AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H | Scope: UNCHANGED |
| | Confidentiality: HIGH |
| | Integrity: HIGH |
| | Availability: HIGH |
| | |
References: | Resource Id | Reference |
|---|
| SCAP Repo OVAL Definition | oval:org.secpod.oval:def:72871 |
| SCAP Repo OVAL Definition | oval:org.secpod.oval:def:72976 |
