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Preemptive Protection against GlobalSCAPE Secure FTP Server Remote Denial of Service

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Check Point Reference: CPAI-2006-048
Date Published:
Severity:
Last Updated:
Source: OSVDB ID: 24451
Industry Reference(s): CVE-2006-1693
Protection Provided by: VPN-1
  • NGX R61
  • NGX R60
InterSpect
  • NGX
Who is Vulnerable?
GlobalSCAPE Secure FTP Server prior to 3.1.4
Vulnerability Description
GlobalSCAPE Secure FTP Server is an FTP server application for Microsoft Windows. The application is susceptible to a remote denial of service vulnerability. The issue is triggered when an unspecified custom command with a lengthy parameter line is passed to the server, causing the server to crash.
Update/Patch Available
Update to version 3.1.4 Build 01.10.2006.
http://globalscape.com/downloads/gsftps.asp
Vulnerability Details
The vulnerability is caused due to an unspecified error in the processing of custom commands. The service and can be crashed using an overly long parameter.

Protection Overview
By enabling this protection, SmartDefense will block the vulnerability based on several considerations: FTP patterns (e.g. suspicious login attempt patterns), overly long FTP commands and inspection of the Malicious Code Protector (MCP).

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

VPN-1 NGX R61

How Can I Protect My Network?
1. Click Application Intelligence > FTP > FTP Patterns; The FTP Patterns window opens. The protection's options are enabled by default (as seen below): 



2. Install security policy on all modules.

How Do I Know if My Network is Under Attack?
SmartView Tracker will log the following entries:

Attack Name: FTP Patterns Protection Violation
Attack Information: FTP Command Buffer Overflow Attempt

 

VPN-1 NGX R60

How Can I Protect My Network?
1. Click Application Intelligence > FTP > FTP Patterns; The FTP Patterns window opens. The protection's options are enabled by default (as seen below): 



2. Install security policy on all modules.

How Do I Know if My Network is Under Attack?
SmartView Tracker will log the following entries:

Attack Name: FTP Patterns Protection Violation
Attack Information: FTP Command Buffer Overflow Attempt

InterSpect NGX

How Can I Protect My Network?
1. Click Application Intelligence > FTP > FTP Patterns; The FTP Patterns window opens. The protection's options are enabled by default (as seen below): 



2. Install security policy on all modules.

How Do I Know if My Network is Under Attack?
SmartView Tracker will log one of the following entries:

Attack Name: FTP Patterns Protection Violation
Attack Information: FTP Command Buffer Overflow Attempt