Check Point Reference: | CPAI-2017-0016 |
Date Published: | 10 Jan 2017 |
Severity: | Medium |
Last Updated: | Tuesday 10 January, 2017 |
Source: | Network Time Foundation Sec 3110 |
Industry Reference: | CVE-2016-9312 |
Protection Provided by: |
Security Gateway |
Who is Vulnerable? | ntp.org NTP prior to 4.2.8p9 |
Vulnerability Description | A denial of service vulnerability has been reported in the Windows port of Network Time Foundation's NTP Daemon. The vulnerability is due to insufficient error handling when receiving large UDP packets. A remote, unauthenticated attacker can exploit this vulnerability by sending a large UDP packet to the target server. |
This protection will detect and block attempts to exploit this vulnerability.
In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.
This protection's log will contain the following information:
Attack Name: NTP Enforcement Violation.
Attack Information: Network Time Protocol Windows Daemon getEndptFromIoCtx Denial of Service