Check Point Advisories

IPSwitch WS_FTP Logging Server Daemon Denial of Service (CVE-2007-3823)

Vulnerability
Protection

Check Point Reference:	CPAI-2007-295
Date Published:	25 Oct 2009
Severity:	High
Last Updated:	Sunday 25 October, 2009
Source:
Industry Reference:	CVE-2007-3823
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	The Ipswitch WS_FTP server is a full featured secure File Transfer Protocol (FTP) server complete with several optional authentication mechanisms, encryption and data access controls. It is fully compliant with the File Transfer Protocol specifications. There exists a denial of service vulnerability in the way WS_FTP Logging Server Daemon handles WS_FTP logging requests. Remote unauthenticated attackers can exploit this vulnerability to cause a denial of service of an affected system. Upon a successful attack, the vulnerable WS_FTP logging server will terminate and exit, creating a denial of service condition. The service needs to be restarted manually to restore its functionality.

Protection Overview

This protection will detect and block 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.

Security Gateway R80 / R77 / R75

In the IPS tab, click Protections and find the IPSwitch WS_FTP Logging Server Daemon Denial of Service protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: FTP Enforcement Violation.
Attack Information: IPSwitch WS_FTP logging server daemon denial of service