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Rule:
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Sid:
2958
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Summary:
This event is generated when an attempt is made to exploit a known
vulnerability in Microsoft Network Dynamic Data Exchange (NetDDE)
services.
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Impact:
Serious. Execution of arbitrary code with system level privileges
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Detailed Information:
A vulnerability exists in Microsoft NetDDE that may allow an attacker to
run code of their choosing with system level privileges. A programming
error in the handling of network messages may give an attacker the
opportunity to overflow a fixed length buffer by using a specially
crafted NetDDE message.
This service is not started by default on Microsoft Windows systems, but
this issue can also be exploited locally in an attempt to escalate
privileges after a successful attack from an alternate vector.
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Affected Systems:
Microsoft Windows NT, 2000, 2003, XP, 98 and ME systems.
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Attack Scenarios:
An attacker needs to craft a special NetDDE message in order to overflow
the affected buffer.
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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
Disable the NetDDE service.
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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:
Microsoft Security Bulletin MS04-031:
http://www.microsoft.com/technet/security/bulletin/ms04-031.mspx
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