File: 2582.txt

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Rule:

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Sid:
2582

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Summary:
This event is generated when an attempt is made to exploit a directory
traversal associated with the Crystal Reports web viewer.

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Impact:
A successful attack may allow unauthorized files to be viewed or
possibly deleted.

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Detailed Information:
A vulnerability exists in the Crystal Reports web viewer that may permit
an attacker to view or delete unauthorized files.  The is due to a
failure to ensure that that a requested Crystal Report file location
is in the web root directory, permitting unauthorized files to be
viewed.

In addition, Crystal Reports assumes that the requested report
file for viewing is a temporary file and deletes it after the
web version has been viewed.  This problem combined with the
directory traversal vulnerability may allow sensitive or valuable
files to be deleted.

--
Affected Systems:
Crystal Reports 8.5 JAVA SDK
Crystal Reports RAS 8.5 for UNIX
Crystal Reports 9.0
Crystal Enterprise 9.0
Crystal Reports 10
Crystal Reports 10.0

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Attack Scenarios:
An attacker can request to view a file not in the web root
directory, permitting unauthorized information disclosure.
The viewed file will be deleted subsequently possibly causing
harm to the server.

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Ease of Attack:
Simple.

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False Positives:
None known.

--
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
Judy Novak <judy.novak@sourcefire.com>

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Additional References

CVE:
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0204

Other:
http://www.microsoft.com/security/bulletins/200406_crystal.mspx

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