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pyftpdlib FTP Server Information Disclosure Vulnerability
Information
Severity
Severity
Medium
Family
Family
FTP
CVSSv2 Base
CVSSv2 Base
5.0
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:L/Au:N/C:P/I:N/A:N
Solution Type
Solution Type
Vendor Patch
Created
Created
13 years ago
Modified
Modified
5 years ago
Summary
This host is running pyftpdlib FTP server and is prone to information disclosure vulnerability.
Insight
Insight
The flaw exists because pyftpdlib does not choose a random value for the port associated with the PASV command, which makes it easier for remote attackers to obtain potentially sensitive information about the number of in-progress data connections by reading the response to this command.
Affected Software
Affected Software
ftpserver.py in pyftpdlib before 0.1.1
Solution
Solution
Upgrade to pyftpdlib version 0.5.2 or later.