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Directory Traversal Vulnerability in 3D FTP Client

Advisory ID:HTB22565
Product:3D FTP Client
Vendor:SiteDesigner Technologies, Inc.
Vulnerable Versions:9.0 build 2 and probably prior
Tested Version:9.0 build 2
Advisory Publication:August 5, 2010 [without technical details]
Vendor Notification:August 5, 2010
Public Disclosure:August 19, 2010
Vulnerability Type:Path Traversal [CWE-22]
CVE Reference:CVE-2010-3102
Risk Level:High
CVSSv2 Base Score:7.6 (AV:N/AC:H/Au:N/C:C/I:C/A:C)
Discovered and Provided:High-Tech Bridge Security Research Lab
 

Advisory Details:

High-Tech Bridge SA Security Research Lab has discovered vulnerability in 3D FTP Client which could be exploited to execute arbitrary code on vulnerable system.

1) Directory Traversal Vulnerability in 3D FTP Client: CVE-2010-3102
The vulnerability exists due to insufficient sanitation of the downloaded filename. A remote attacker controlling an FTP server can trick user into downloading file with specially crafted filename, containing directory traversal sequences (e.g. "..\..\..\..\..\..\..\somefile.exe") and write it into arbitrary locations on the target system. Successful exploitation might allow remote code execution but requires that victim uses 3D FTP Client to connect to the FTP server and download a malicious file.


ImmuniWeb® On-Demand Web Application Penetration Test


Solution:
Currently we are not aware of any vendor-supplied patches or other solutions. The vendor was contacted in accordance to our Vendor Notification Policy but we didn't get any answer or feedback.


References:
[1] High-Tech Bridge Advisory HTB22565 - https://www.htbridge.com/advisory/HTB22565 - Directory Traversal Vulnerability in 3D FTP Client
[2] 3D FTP Client - 3dftp.com - 3D-FTP is a lightning-fast and secure FTP Client software for transferring files between your computer and FTP, FTPS and SFTP servers.
[3] Common Vulnerabilities and Exposures (CVE) - http://cve.mitre.org/ - international in scope and free for public use, CVE® is a dictionary of publicly known information security vulnerabilities and exposures.
[4] Common Weakness Enumeration (CWE) - http://cwe.mitre.org - targeted to developers and security practitioners, CWE is a formal list of software weakness types.
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