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Directory Traversal in FTPGetter
Vulnerability ID: HTB22567
Vendor: FTPGetter Team ( http://www.ftpgetter.com/ )
Vulnerable Version: 3.51.0.05 and Probably Prior Versions
Vendor Notification: 05 August 2010
Vulnerability Type: File Content Disclosure
Status: Not Fixed, Vendor Alerted, Awaiting Vendor Response
Risk level: High
Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing (http://www.htbridge.ch/)
When exploited, this vulnerability allows an anonymous attacker to write files to specified locations on a user's system.
The FTP client does not properly sanitise filenames containing directory traversal sequences that are received from an FTP server, for example
file named as "..\..\..\..\..\..\..\somefile.exe".
By tricking a user to download a directory from a malicious FTP server that contains files with backslash directory traversal sequences in their filenames,
an attacker can potentially write files into a user's Startup folder to execute malicious code when the user logs on.