J-Security Center

Title: Broker FTP Directory Permissions Vulnerability

Severity: MODERATE

Description:

Broker FTP is a FTP Server package for Windows NT/2000 and Windows 95/98 from TransSoft.

Multiple vulnerabilities exist in Broker FTP Server that could allow a remote attacker to browse root directories and possibly retrieve account names and passwords.

During a default install, Broker FTP asks the user to create a FTP directory for the server, e.g.: d:\FTP. Once installation is complete, any user, including anonymous, can connect to the service and browse the entire drive in which Broker FTP has been installed.

A second vulnerability exists in Broker FTP whereby a remote attacker could gain access to usernames, passwords and account information. If the root directory of the Broker FTP is the same as the install location, an unauthorized user could browse directories until locating the %%WinDir%%\BrokerProfiles.Dat file. Accounts and user information (including user rights) are stored within this file in clear text and easily retrievable.

It is unknown at this time whether any or all users have write access to the root directory or any other directory other than their own.

Affected Products:

  • TransSoft Broker FTP Server 4.7.0.5.0

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