File: 1080.txt

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Rule:  
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Sid:
1080

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Summary:
This event is generated when an attempt is made to access the Unify eWave 
ServletExec uploader servlet, which may lead to a web server compromise.

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Impact:
Serious. Execution of arbitrary code is possible.

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Detailed Information:
Unify eWave ServletExec is a webserver-based JSP and Java Servlet
environment available for many popular web servers (e.g., Apache, Netscape
web server, and IIS).  Versions of ServletExec before 3.0E contain a
vulnerability in UploadServlet that could allow an attacker to upload
arbitrary files, including executables used to compromise the web server.

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Affected Systems:
Unify eWave ServletExec versions before 3.0E. 

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Attack Scenarios:
Attacker sends a simple HTTP GET or POST like the following:
GET http://target/servlet/com.unify.ewave.servletexec.UploadServlet HTTP/1.0

The attacker could upload any arbitrary file onto the web server, including
executable code that can then be used to compromise the web server.

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Ease of Attack:
Relatively simple handcrafted HTTP GET or POST.

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False Positives:
It is possible that legitimate web administrators could use UploadServlet.

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False Negatives:
None Known

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Corrective Action:
Examine the packet to see if a web request was being done.  Try to
determine if the request was by a legitimate web admin or not.
Determine from the web server's configuration whether it was a threat or not
(e.g., whether the web server even runs ServletExec, and if so whether
it was running a vulnerable version).

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Contributors:
Original rule writer unknown
Original document author unkown
Sourcefire Vulnerability Research Team
Nigel Houghton <nigel.houghton@sourcefire.com>
Alex Kirk <alex.kirk@sourcefire.com>

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Additional References:

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