Rule:

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Sid:
7046
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Summary:
This event is generated when an attempt is made to exploit a known vulnerability in Microsoft systems using the mailslot service.

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Impact:
Serious. Execution of arbitrary code leading to unauthorized administrative access to the target host. Denial of Service (DoS) is also possible.

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Detailed Information:
A mailslot is used for messaging within domains between hosts using Microsoft Windows.

An unchecked buffer in the mailslot server service may allow an attacker to overflow a fixed length buffer and execute code of their choosing on an affected host.

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Affected Systems:
Microsoft Windows 2003
Microsoft Windows XP
Microsoft Windows 2000

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Attack Scenarios:

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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:
Apply the appropriate vendor supplied patches.

Upgrade to the latest non-affected version of the software.

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Contributors:
Sourcefire Vulnerability Research Team
Brian Caswell <bmc@sourcefire.com>
Nigel Houghton <nigel.houghton@sourcefire.com>

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Additional References:

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