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Multiple Vulnerabilities In PhotoPost Pro |
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Wednesday, 05 January 2005 |
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www.gulftech.org/?node=research&article_id=00063-01032005
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Multiple Vulnerabilities In PhotoPost Pro
January 3, 2005
Vendor : All Enthusiast, Inc.
URL : http://www.photopost.com/
Version : All Versions
Risk : Multiple Vulnerabilities
Description:
PhotoPost was designed to help you give your users exactly what they want. Your users will be thrilled to finally be able to upload and display their photos for your entire community to view and discuss, all with no more effort than it takes to post a text message to a forum. If you already have a forum (vBulletin, UBB Threads, phpBB, DCForum, or InvisionBoard), you'll appreciate that PhotoPost was designed to seamlessly integrate into your site without the need for your users to register twice and maintain two logins. PhotoPost Pro is vulnerable to some serious SQL Injection issues as well as cross site scripting. An update is available and all users should upgrade now.
Cross Site Scripting:
PhotoPost is prone to cross site scripting in several different scripts throughout the application. Below are examples:
http://path/showgallery.php?cat=[INT]&page=[XSS]
http://path/showgallery.php?si=[XSS]
http://path/showgallery.php?cat=[INT][XSS]
http://path/showgallery.php?ppuser=[INT]&cat=[INT][XSS]
This can be used to render hostile code in the context of the victims browser, or to steal cookie based credentials or other sensitive info.
SQL Injection Vulnerability:
There are several SQL Injection vulnerabilities in this application. Some are easy to exploit, others are not so easy.
http://path/showgallery.php?cat=[INT][SQL]
http://path/showgallery.php?ppuser=[INT][SQL]&cat=[INT]
These SQL issues can possibly be exploited to influence SQL queries and disclose arbitrary data. These will alse cause XSS if unsuccessful. Below is an example real world exploit that pulls the password hash for the user with the user id of one from the user table.
Proof Of Concept:
Due to the fact that some people feel the issues in this advisory and our last PhotoPost advisory were not accurate and unexploitable we have decided to include a proof of concept.
http://path/showgallery.php?ppuser=-2'%20UNION%20SELECT%200,email, 0,0,0,0,0,0%20FROM%20user%20WHERE%20userid='1&cat=500
The above example is relatively harmless, but will pull the private email address of a user. This could just as easily be an admin password hash.
Solution:
PhotoPost 4.86 has been released to address these issues. Users should upgrade their installation as soon as possible.
Credits:
James Bercegay of the GulfTech Security Research Team
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