WISE-FTP FTP Client 'LIST' Command Directory Traversal Vulnerability

Bugtraq ID:	29844
Class:	Input Validation Error
CVE:	CVE-2008-2889
Remote:	Yes
Local:	No
Published:	Jun 20 2008 12:00AM
Updated:	May 07 2015 05:28PM
Credit:	Tan Chew Keong
Vulnerable:	AceBIT WISE-FTP 5.5.8 AceBIT WISE-FTP 4.1
Not Vulnerable:	AceBIT WISE-FTP 5.5.9

WISE-FTP FTP Client 'LIST' Command Directory Traversal Vulnerability

WISE-FTP is prone to a directory-traversal vulnerability because the application fails to sufficiently sanitize user-supplied input.

Exploiting this issue allows an attacker to write arbitrary files to locations outside of the application's current directory. This could help the attacker launch further attacks.

Versions prior to WISE-FTP 5.5.9 are vulnerable.

WISE-FTP FTP Client 'LIST' Command Directory Traversal Vulnerability

An attacker can exploit this issue by enticing an unsuspecting victim to connect to a malicious server.

The following proof of concept is available:

Response to LIST:

\..\..\..\..\..\..\..\..\..\testfile.txt\r\n

WISE-FTP FTP Client 'LIST' Command Directory Traversal Vulnerability

Solution:
The vendor has addressed this issue in WISE-FTP 5.5.9. Contact the vendor for details.

WISE-FTP FTP Client 'LIST' Command Directory Traversal Vulnerability

References:

• WISE-FTP FTP Client Directory Traversal Vulnerability (Tan Chew Keong)
  
• WISE-FTP Homepage (AceBIT)