Directory Traversal Vulnerability in TurboFTP Client

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Advisory ID:	HTB22509
Product:	TurboFTP
Vendor:	TurboSoft, Inc
Vulnerable Versions:	6.30.802 - 6.30.810 (32 and 64 bit)
Tested Version:	6.30.806
Advisory Publication:	July 19, 2010 [without technical details]
Vendor Notification:	July 19, 2010
Public Disclosure:	August 2, 2010
Vulnerability Type:	Path Traversal [CWE-22]
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 TurboFTP Client which could be exploited to execute arbitrary code on vulnerable system. 1) Directory Traversal Vulnerability in TurboFTP Client 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 target system. Successful exploitation might allow remote code execution but requires that victim uses TurboFTP client to connect to FTP server and download a malicious file.
How to Detect Path Traversal Vulnerabilities Website Security Test GDPR & PCI DSS Test Website CMS Security Test CSP & HTTP Headers Check WordPress & Drupal Scanning Try For Free 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 HTB22509 - https://www.immuniweb.com/advisory/HTB22509 - Directory Traversal Vulnerability in TurboFTP Client [2] TurboFTP - turboftp.com - TurboFTP is a secure FTP client program with SSH2 and SSL/TLS support that runs scheduled ftp tasks as NT service. [3] 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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