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pyftpdlib FTP Server Denial of Service Vulnerability
12 years ago
4 years ago
This host is running pyftpdlib FTP server and is prone to Denial of Service vulnerability.
The flaw is due to race condition in the FTPHandler class, which allows remote attackers to cause a denial of service by establishing and then immediately closing a TCP connection, leading to the accept function having an unexpected return value of None.
ftpserver.py in pyftpdlib before 0.5.1
Upgrade to pyftpdlib version 0.5.2 or later.