Check Point Advisories

Alt-N Technologies SecurityGateway Username Buffer Overflow

Check Point Reference: CPAI-2008-085
Date Published: 19 Jun 2008
Severity: High
Last Updated: 7 Dec 2015
Protection Provided by:

Security Gateway
R80, R77, R76, R75, R71, R70

Who is Vulnerable?
Vulnerability Description The Alt-N Technologies SecurityGateway offers email security with a spam filter that serves as an Exchange or SMTP firewall.A stack-based buffer overflow vulnerability was reported in Alt-N Technologies SecurityGateway. The vulnerability is due to a boundary error in the SecurityGateway that fails to properly handle the username field in certain HTTP requests. An attacker can exploit this issue by sending a specially crafted HTTP request to the target server. Successful exploitation may allow the attacker to execute arbitrary code on the target system.

Protection Overview

This protection will detect and block malformed HTTP requests sent to the vulnerable server.

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.

Security Gateway R80 / R77 / R76 / R75 / R71 / R70

  1. In the IPS tab, click Protections and find the Alt-N Technologies SecurityGateway Username Buffer Overflow protection using the Search tool and Edit the protection's settings.
  2. Install policy on all modules.

This protection's log will contain the following information:

Attack Name:  Security Products Enforcement Violation.
Attack Information:  Alt-N Technologies SecurityGateway Username Buffer Overflow

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