3526.txt

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Rule:

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Sid:
3526

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Summary:
This event is generated when an attempt is made to exploit a vulnerability
associated with the Oracle XML Database (XDB) FTP UNLOCK command.

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Impact:
A successful attack may allow arbitrary commands to be executed on a
vulnerable server by an authenticated user.

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Detailed Information:
The Oracle XDB UNLOCK command is vulnerable to a buffer overflow
attack.  A fixed size buffer is allocated for a parameter associated
with the command.  A user-supplied parameter value that is longer than
the allocated buffer can cause a buffer overflow and allow the subsequent
execution of arbitrary commands on a vulnerable server.  It should be
noted that valid credentials must be supplied for authentication and access
to the server.

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Affected Systems:
Oracle 9.2.0.1

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Attack Scenarios:
An attacker can craft an UNLOCK command and supply it an overly long
parameter.

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Ease of Attack:
Simple. Exploits 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 the most current non-affected version of the product.


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Contributors:
Sourcefire Vulnerability Research Team
Judy Novak <[e-mail]>

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Additional References:

Variations in Exploit methods between Linux and Windows - David Litchfield:
http://www.blackhat.com/presentations/bh-usa-03/bh-us-03-litchfield-paper.pdf

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