Secunia Research: Wuzly "preview" Local File Inclusion Vulnerability

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                    Secunia Research 19/12/2011

      - Wuzly "preview" Local File Inclusion Vulnerability -

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Table of Contents

Affected Software...................................................1
Severity............................................................2
Vendor's Description of Software....................................3
Description of Vulnerability........................................4
Solution............................................................5
Time Table..........................................................6
Credits.............................................................7
References..........................................................8
About Secunia.......................................................9
Verification.......................................................10

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1) Affected Software

* Wuzly version 2.0.

NOTE: Other versions may also be affected.

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2) Severity 

Rating: Moderately critical
Impact: Exposure of sensitive information
Where:  From remote

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3) Vendor's Description of Software 

"Wuzly is a free, reliable blogging platform that allows you to create 
a blog in minutes."

Product Link:
http://www.wuzly.com/

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4) Description of Vulnerability

Secunia Research has discovered a vulnerability in Wuzly, which can be 
exploited by malicious people to disclose sensitive information.

Input passed to the "preview" parameter to index.php is not properly 
verified in blog_system/data_functions.php before being used to 
include files. This can be exploited to include arbitrary files from 
local resources via Base64-encoded directory traversal sequences and 
NULL bytes.

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5) Solution 

A fix is not currently available.

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6) Time Table

28/11/2011 - Requested security contact.
07/12/2011 - Requested security contact (second attempt).
19/12/2011 - Public Disclosure.

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7) Credits 

Discovered by Morten Bartvig, Secunia Research.

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8) References

The Common Vulnerabilities and Exposures (CVE) project has assigned 
CVE-2011-3837 for the vulnerability.

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9) About Secunia

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10) Verification 

Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2011-87/

Complete list of vulnerability reports published by Secunia Research:
http://secunia.com/secunia_research/

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