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pyftpdlib FTP Server Multiple Vulnerabilities
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
This host is running pyftpdlib FTP server and is prone to multiple vulnerabilities.
Insight
Insight
- Race condition in the FTPHandler class allows remote attackers to cause a denial of service by establishing and then immediately closing a TCP connection. - Improper permission check for the NLST command allows remote authenticated users to bypass intended access restrictions and list the root directory via an FTP session. - Memory leak in the on_dtp_close function allows remote authenticated users to cause a denial of service by sending a QUIT command during a data transfer.
Affected Software
Affected Software
ftpserver.py in pyftpdlib before 0.5.2
Solution
Solution
Upgrade to pyftpdlib version 0.5.2 or later.
Common Vulnerabilities and Exposures (CVE)
References
- http://code.google.com/p/pyftpdlib/issues/detail?id=100
- http://code.google.com/p/pyftpdlib/issues/detail?id=104
- http://code.google.com/p/pyftpdlib/issues/detail?id=105
- http://code.google.com/p/pyftpdlib/issues/detail?id=114
- http://code.google.com/p/pyftpdlib/issues/detail?id=119
- http://code.google.com/p/pyftpdlib/source/browse/trunk/HISTORY
- http://code.google.com/p/pyftpdlib/downloads/list