Rule: 

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Sid: 
100000136

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Summary:
This event is generated when an attempt is made to exploit a vulnerability
associated with the gnu_mailutils IMAP4 server.

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Impact:
Serious. Execution of arbitrary commands may be possible.

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Detailed Information:

A vulnerability exists in the way that the GNU Mailutils IMAP4 server handles malformed IMAP commands containing format strings.  This may permit the execution of arbitrary code on a vulnerable server.

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Affected Systems:
GNU Mailutils 0.5, 0.6

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Attack Scenarios:
An attacker can send an IMAP command containing format strings, possibly permitting the execution of arbitrary code.

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Ease of Attack: 
Simple, exploit scripts exist.

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False Positives:
None known.

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False Negatives:
None Known

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Corrective Action: 
Upgrade to version 0.6.90 or higher.

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Contributors: 
Judy Novak <judy.novak@sourcefire.com>

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Additional References:

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