|Check Point Reference:||CPAI-2011-369|
|Date Published:||9 Aug 2011|
|Last Updated:||Sunday 14 February, 2016|
|Protection Provided by:||
|Who is Vulnerable?|
|Vulnerability Description||A remote code execution vulnerability has been reported in Microsoft Windows DNS server service. The vulnerability is due to an error in the way the DNS server handles specially crafted DNS responses. A remote attacker can exploit this issue by sending a specially crafted DNS NAPTR response to an affected system. Successful exploitation of this vulnerability could result in code execution on the affected system.|
This protection will detect and block malformed DNS NAPTR server responses sent to the target DNS server.
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: Microsoft DNS Server NAPTR response code execution (MS11-058)