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SmartFTP Banner Handling Buffer Overflow Vulnerability
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Secunia Advisory:
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SA24051
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Release Date:
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2007-02-05
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Last Update:
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2007-04-03
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Popularity:
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8,700 views
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Critical:
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Moderately critical
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Impact:
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System access
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | SmartFTP 2.x
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| CVE reference: | CVE-2007-0790
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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.
http://www.smartftp.com/download/
Provided and/or discovered by:
Marsu Pilami
Changelog:
2007-02-09: Added CVE reference.
2007-04-03: Updated "Solution" and "Solution Status" sections to include fix information from vendor.
Original Advisory:
http://www.smartftp.com/forums/index....mp;pid=39668&st=0&#entry39668
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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