CWE Code: 264
Vulnerability Type: privilege_escalation
CVSS Score: 6.5
CWE Name:  Permissions Privileges and Access Controls
Summary: 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.
Access Authentication: SINGLE
Access Complexity: LOW
Access Vector: NETWORK
Impact (C/I/A): PARTIAL/PARTIAL/PARTIAL
Published Date: 2010-10-19
Last Modified Date: 2010-10-20