Marsu Pilami has discovered a vulnerability in SmartFTP, which can be exploited by malicious people to compromise a user's system.
The vulnerability is caused due to a boundary error when handling banner replies of ftp servers. This can be exploited to cause a heap-based buffer overflow via an overly long (greater than 4000 bytes) banner sent in reply to the client.
Successful exploitation requires that the user is tricked into connecting to a malicious ftp server.
The vulnerability is confirmed in version 2.0.1002. Other versions may also be affected.
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