|Check Point Reference:||CPAI-2017-0869|
|Date Published:||24 Oct 2017|
|Last Updated:||25 Oct 2017|
|Protection Provided by:||
|Who is Vulnerable?||DNSmasq/Mikrotik DNSmasq 2.77|
|Vulnerability Description||An integer underflow vulnerability exists over Dnsmasq. This is due to the way Dnsmasq handles TTL requests. A successful attack could lead to a 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: DNSmasq Integer Underflow Denial Of Service (CVE-2017-13704)