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Insecure Library Loading
Moderately critical

SmartFTP Banner Handling Buffer Overflow Vulnerability

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Release Date:  2007-02-05    Last Update:  2007-04-03    Views:  13,258

Secunia Advisory SA24051

Where:

From remote

Impact:

System access

Solution Status:

Vendor Patch

Software:

CVE Reference(s):

Description


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.


Solution:
Update to version 2.5.1005.

Further details available to Secunia VIM customers

Provided and/or discovered by:
Marsu Pilami

Original Advisory:
http://www.smartftp.com/forums/index.php?showtopic=12630&pid=39668&st=0&#entry39668

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: SmartFTP Banner Handling Buffer Overflow Vulnerability

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