Check Point Reference: | CPAI-2014-1921 |
Date Published: | 3 Aug 2014 |
Severity: | High |
Last Updated: | Tuesday 19 April, 2016 |
Source: | |
Industry Reference: | CVE-2014-0239 |
Protection Provided by: |
Security Gateway |
Who is Vulnerable? | Samba Team Samba 4.0.x prior to 4.0.18, Samba Team Samba 4.1.x prior to 4.1.8. |
Vulnerability Description | A denial of service vulnerability exists in Samba DNS server. The server fails to check the reply flag of DNS packets, making it vulnerable to reply to a spoofed reply. This could result in a "ping-pong" type attack where two vulnerable servers attack each other. Successful exploitation could result in excessive consumption of resources on both vulnerable servers, possibly causing a denial of service condition. |
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: DNS Enforcement Violation.
Attack Information: Samba DNS Reply Flag Denial of Service