File: 1379.txt

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Rule:

--
Sid:
1379

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Summary:
This event is generated when an attempt is made to exploit a buffer 
overflow vulnerability associated with IPSWITCH WS_FTP server for 
Windows hosts.

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Impact:
Remote administrator access.  A successful attack can allow remote 
execution of arbitrary commands with privileges of administrator.

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Detailed Information:
A buffer overflow exists in WS_FTP server that may permit the execution 
of arbitrary commands with the privileges of administrator.  The exploit
can be generated by FTP client sending a STAT command accompanied by an 
argument greater than 479 bytes long.  This exploit requires login 
access to the FTP server.

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Affected Systems:
Hosts running WS_FTP server 2.0.3.

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Attack Scenarios:
An attacker may login to a vulnerable WS_FTP server and supply an overly
long file argument to cause a buffer overflow, allowing execution of 
arbitrary commands with the privileges of administrator.

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Ease of Attack:
Simple.  

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False Positives:
None Known.

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False Negatives:
None Known.

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Corrective Action:
Upgrade to the latest non-affected version of the software.

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Contributors:
Sourcefire Research Team
Brian Caswell <bmc@sourcefire.com> 
Nigel Houghton <nigel.houghton@sourcefire.com>
Judy Novak <judy.novak@sourcefire.com>

--
Additional References:

Security Focus:
http://www.securityfocus.com/advisories/3641

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