ntpd in NTP before 4.2.8p9, when running on Windows, allows remote attackers to cause a denial of service via a large UDP packet.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2016-9312 from the MITRE CVE dictionary dictionary and NIST NVD.
This issue did not affect the versions of ntp as shipped with Red Hat Enterprise Linux 5, 6, and 7. This issue only affected ntpd running on the Windows OS.
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
| CVSS3 Base Score | 7.5 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| Attack Vector | Network |
| Attack Complexity | Low |
| Privileges Required | None |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity Impact | None |
| Availability Impact | High |
| 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 |
Vulmon