Directory Traversal Vulnerability in FreshFTP

2010.11.03
Risk: High
Local: No
Remote: Yes
CWE: CWE-22


Ogólna skala CVSS: 9.3/10
Znaczenie: 10/10
Łatwość wykorzystania: 8.6/10
Wymagany dostęp: Zdalny
Złożoność ataku: Średnia
Autoryzacja: Nie wymagana
Wpływ na poufność: Pełny
Wpływ na integralność: Pełny
Wpływ na dostępność: Pełny

Vulnerability ID: HTB22628 Reference: http://www.htbridge.ch/advisory/directory_traversal_vulnerability_in_fre shftp.html Product: FreshFTP Vendor: FreshWebMaster ( http://www.freshwebmaster.com ) Vulnerable Version: 5.36 and Probably Prior Versions Vendor Notification: 27 September 2010 Vulnerability Type: Directory Traversal Vulnerability Status: Not Fixed, Vendor Alerted, Awaiting Vendor Response Risk level: High Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing (http://www.htbridge.ch/) Vulnerability Details: 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.

Referencje:

http://xforce.iss.net/xforce/xfdb/62555
http://www.securityfocus.com/bid/44072
http://www.securityfocus.com/archive/1/archive/1/514259/100/0/threaded
http://www.osvdb.org/68667
http://www.htbridge.ch/advisory/directory_traversal_vulnerability_in_freshftp.html
http://secunia.com/advisories/41798
http://packetstormsecurity.org/1010-exploits/freshftp-traversal.txt


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