SID:
295
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Rule:
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Summary:
This event is triggered when an attempt is made to overflow an imapd 
server.
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Impact:
Commands may be run on the IMAP server as the root user, This can lead 
to a complete compromise of the targeted system
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Detailed Information:
Failure to check the size of the value passed to the 'AUTHENTICATE' 
command on certain IMAPD implementations can lead to a buffer overflow. 
This in turn can allow arbitrary commands to be executed on the server.
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Affected Systems:
	Netscape Messaging Server 3.55
	University of Washington imapd 10.234
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Attack Scenarios:
An attacker may attempt to exploit a vulnerable imapd server, permitting
the execution of arbitrary commands possibly with the privilege of user 
"root".
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Ease of Attack:
simple. Sample exploit code is available.
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False Positives:
None known
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False Negatives:
None known
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Corrective Action:
Vendors have provided updated versions, upgrading will resolve this 
problem
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Contributors:
Snort documentation contributed by matthew harvey <indexone@yahoo.com>
Original Rule Writer Unknown
Sourcefire Research Team
Nigel Houghton <nigel.houghton@sourcefire.com>

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References:

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