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Sysax Multi Server SSH Username Buffer Overflow


Check Point Reference: CPAI-2012-375
Date Published:
Source: Security Focus Advisory 52190
Protection Provided by: Security Gateway
  • R75
Who is Vulnerable?
Sysax Multi Server 5.53
Vulnerability Description
A stack buffer overflow vulnerability has been reported in Sysax Multi Server SSH Service.
Vulnerability Details
The vulnerability is due to a boundary error when processing authentication requests. A remote attacker can exploit this issue by sending a specially crafted authentication request to the target. Successful exploitation would allow an attacker to inject and execute arbitrary code on the target.

Protection Overview
This protection will detect and block the transferring of specially crafted requests to the target.

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.

To configure the defense, select your product from the list below and follow the related protection steps.

Security Gateway R75 / R71 / R70

How Can I Protect My Network?

  1. In the IPS tab, click Protections and find the Sysax Multi Server SSH Username Buffer Overflow protection using the Search tool and Edit the protection's settings.
  2. Install policy on all modules.

How Do I Know if My Network is Under Attack?
SmartView Tracker will log the following entries:
Attack Name: SSH Protection Violation
Attack Information: Sysax Multi Server SSH Username Buffer Overflow