Vulnerability CVE-2007-6741
Published: 2010-10-19   Modified: 2012-02-12

Description:
The ftp_PORT function in FTPServer.py in pyftpdlib before 0.2.0 does not prevent TCP connections to privileged ports if the destination IP address matches the source IP address of the connection from the FTP client, which might allow remote authenticated users to conduct FTP bounce attacks via crafted FTP data, as demonstrated by an FTP bounce attack against a NAT server, a related issue to CVE-1999-0017.

Type:

CWE-264

 (Permissions, Privileges, and Access Controls)

CVSS2 => (AV:N/AC:L/Au:S/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.5/10
6.4/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
G.rodola -> Pyftpdlib 

 References:
http://code.google.com/p/pyftpdlib/source/diff?spec=svn32&r=32&format=side&path=/trunk/pyftpdlib/FTPServer.py
http://code.google.com/p/pyftpdlib/source/detail?r=32
http://code.google.com/p/pyftpdlib/source/browse/trunk/HISTORY
http://code.google.com/p/pyftpdlib/issues/detail?id=11
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