|Check Point Reference:||CPAI-2018-1113|
|Date Published:||28 Nov 2018|
|Last Updated:||25 Dec 2018|
|Protection Provided by:||
|Who is Vulnerable?||PowerDNS Recursor before 4.0.8.|
|Vulnerability Description||A denial of service vulnerability exists PowerDNS Recursor. The vulnerability is due to a NULL pointer dereference. An unauthenticated remote attacker could exploit this vulnerability by sending a specially crafted DNS query to a vulnerable server. Successful exploitation would result in a crash of the server process leading to denial of service.|
This protection detects 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: PowerDNS Recursor Denial of Service (CVE-2017-15120)