New Macromedia Security Zone Bulletin Posted

IMPORTANT: 

A new security bulletin describes a configuration problem 
that may affect ColdFusion installations. 

To learn about this new issue and what actions you can take 
to address it, please visit the Macromedia Security Zone: 

http://www.macromedia.com/go/mpsb05-03

MPSB05-03

ColdFusion MX 7 cross-site scripting in default error page

Originally posted: May 10, 2005

SUMMARY 

The default error page in the optional-use JRun Web Server 
bundled with ColdFusion MX 7 is vulnerable to a cross-site 
scripting attack. 

SOLUTION

Define a custom error page or download and install the
patch referenced below or use an alternative Web Server
with ColdFusion.

Affected Software Versions 

ColdFusion MX 7.0 

Severity Rating

Macromedia categorizes this issue as a moderate update and
recommends users patch their installations immediately.

Details 

A specially encoded URL can be used to create a cross-site 
scripting attack through the default 404 error page. 
Exploitation of the vulnerability requires a user to follow 
a hyperlink to a page that doesn’t exist on the server. 

Most customers using ColdFusion MX 7 will not be affected 
by this vulnerability because the majority of customers run 
ColdFusion MX 7 with other web servers. This vulnerability 
does not affect ColdFusion servers using connectors to any 
other web server such as IIS or Apache. Although the JRun 
Web Server is included with ColdFusion MX 7, it is not 
recommended for use in production environments and is 
intended for configuration, evaluation and testing purposes 
only. 

Making the Changes

NOTE: Back up your existing files before making changes.
As always, test the changes in a non-production environment
before applying the changes to production servers.

Install the security patch from the ColdFusion MX 7
Administrator. The installation process is the same for
all platforms and installation choices.

1. Download chf70-60112.jar (2K).

2. Open the ColdFusion MX 7 Administrator and select the
   System Information page.

3. Next to the Update File field, select the Browse Button
   and browse to the downloaded file.

4. Select the file and click Submit.

5. Restart ColdFusion.

The ColdFusion MX 7 hot fix JAR file does not need to be
retained after installing it with the ColdFusion
Administrator. The file has been copied into the correct
location.

The ColdFusion MX 7 hot fix JAR file will appear in the
System Information list.

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Macromedia is committed to addressing security issues and
providing customers with the information on how they can
protect themselves. If you identify what you believe may
be a security issue with a Macromedia product, please send
an e-mail to [email protected]. We will work to
address and communicate the issue appropriately.

Receiving Security Bulletins 

When Macromedia becomes aware of a security issue that we 
believe significantly affects our products or customers, 
we will notify customers when appropriate. Typically this 
notification will be in the form of a security bulletin 
explaining the issue and the response. Macromedia customers 
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bulletins when they are released can sign up for our 
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For additional information on security issues at Macromedia, 
please visit: 

http://www.macromedia.com/security 

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