[NT] Hyperion FTP Server Buffer Overflow (dir)
From: support@securiteam.com
Date: 12/25/02
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From: support@securiteam.com To: list@securiteam.com Date: 25 Dec 2002 11:08:39 +0200
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Hyperion FTP Server Buffer Overflow (dir)
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SUMMARY
<http://www.mollensoft.com/> Hyperion FTP Server is a powerful, reliable
FTP server for Windows 95/98/NT/2000, and supports all basic FTP commands,
and much more, such as passive mode. A vulnerability in the server allows
a remote attacker to overflow an internal buffer causing it to execute
arbitrary code.
DETAILS
Vulnerable systems:
* Hyperion FTP Server version 2.8.11
A remotely exploitable vulnerability allows a remote user to execute an
arbitrary code, by issuing a "dir" command with a buffer of more than 300
bytes. This command will overflow an internal buffer, causing it to
overwrite the EIP address.
ADDITIONAL INFORMATION
The information has been provided by <mailto:securma@caramail.com>
securma massine.
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