Check Point Advisories

Sysax Multi-Server SSHD Key Exchange Denial of Service

Vulnerability
Protection

Check Point Reference:	CPAI-2013-1891
Date Published:	4 Aug 2013
Severity:	Medium
Last Updated:	Thursday 18 April, 2024
Source:
Protection Provided by:	Security Gateway R75
Who is Vulnerable?	Sysax Multi-Server 6.10.
Vulnerability Description	A denial of service vulnerability has been reported in Sysax Multi-Server 6.10.
Vulnerability Details	The vulnerability is due to a specially-crafted SSH Key Exchange causing the service to crash.

Protection Overview

This protection will detect and block attempts to exploit this vulnerability.

In order for the protection to be activated, update your product to the latest update. For information on how to update , go to SBP-2006-05, Protection tab and select the version of your choice.

Security Gateway R75 / R71 / R70

In the IPS tab, click Protections and find the Sysax Multi-Server 6.10 SSHD Key Exchange denial of service protection using the Search tool and Edit the protection's settings.
Install policy on all modules.

SmartView Tracker will log the following entries:
Attack Name: SSH Protection Violation
Attack Information: Sysax Multi-Server 6.10 SSHD Key Exchange denial of service