File: 1935.txt

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Rule:

--
Sid:
1936

--
Summary:
This event is generated when an attempt is made to exploit a buffer
overflow condition in the Post Office Protocol (POP) command FOLD.

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Impact:
Possible remote execution of arbitrary code leading to a remote root 
compromise.

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Detailed Information:
A vulnerability exists such that an attacker may include files of their
choosing when supplying data to a POP server via the FOLD command.

The FOLD command allows the user to specify a mail folder to select.  By
specifying a very large argument, the user can exploit the buffer overflow
condition.

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Attack Scenarios:
Simple. An attacker can supply specially crafted packets to a POP server
via the FOLD function. 

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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>
Ricky Macatee <ricky.macatee@sourcefire.com>

--
Additional References:

RFC 937:
http://www.faqs.org/rfc/rfc937.txt

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