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WinFtp Server Data Handling Denial of Service Vulnerability
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Secunia Advisory:
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SA23412
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Release Date:
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2006-12-20
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Last Update:
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2006-12-22
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Popularity:
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7,392 views
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Critical:
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Moderately critical
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Impact:
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DoS
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Where:
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From remote
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Solution Status:
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Unpatched
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| Software: | WinFTP Server 2.x
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| CVE reference: | CVE-2006-6673
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Description:
shinnai has discovered a vulnerability in WinFtp Server, which can be exploited by malicious people to cause a DoS (Denial of Service).
The vulnerability is caused due to an off-by-one error when processing data received from the client. This can be exploited to crash the service by sending an overly long string (greater than 500 bytes) to the service.
The vulnerability is confirmed in version 2.0.2. Other versions may also be affected.
Solution:
Restrict access to the FTP service.
Provided and/or discovered by:
shinnai
Changelog:
2006-12-22: Added CVE reference.
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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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