|Check Point Reference:||CPAI-2019-1537|
|Date Published:||26 Nov 2019|
|Last Updated:||5 Mar 2020|
|Protection Provided by:||
|Who is Vulnerable?||Dovecot|
|Vulnerability Description||A denial-of-service vulnerability exists in the Dovecot server. The vulnerability is due to a NULL pointer dereference in the submission-login service when authentication is aborted. Successful exploitation of this vulnerability could cause a partial denial of service of the affected system.|
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: Web Server Enforcement Violation.
Attack Information: Dovecot Submission-Login Service NULL Pointer Dereference Denial of Service (CVE-2019-11494)