CVE-2016-9042
Find out more about CVE-2016-9042 from the MITRE CVE dictionary dictionary and NIST NVD.
CVSS v3 metrics
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
| CVSS3 Base Score | 5.9 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |
| Attack Vector | Network |
| Attack Complexity | High |
| Privileges Required | None |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity Impact | None |
| Availability Impact | High |
Affected Packages State
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 7 | ntp | Not affected |
| Red Hat Enterprise Linux 6 | ntp | Not affected |
| Red Hat Enterprise Linux 5 | ntp | Not affected |
Acknowledgements
Red Hat would like to thank the NTP project for reporting this issue. Upstream acknowledges Matthew Van Gundy (Cisco) as the original reporter.Mitigation
Implement BCP-38.
Configure enough servers/peers that an attacker cannot target all of your time sources.
Properly monitor your ntpd instances, and auto-restart ntpd (without -g) if it stops running.
