Date: Sun, 3 May 2020 13:44:20 +0200
From: Vulnerability Lab <research@...nerability-lab.com>
To: fulldisclosure@...lists.org
Subject: [FD] Joomla com_content v1.5 - Blind SQL-Injection Vulnerability

Document Title:
===============
Joomla com_content v1.5 - Blind SQL-Injection Vulnerability


References (Source):
====================
https://www.vulnerability-lab.com/get_content.php?id=2246


Release Date:
=============
2020-05-03


Vulnerability Laboratory ID (VL-ID):
====================================
2246


Common Vulnerability Scoring System:
====================================
7.5


Vulnerability Class:
====================
SQL Injection


Current Estimated Price:
========================
1.000€ - 2.000€


Abstract Advisory Information:
==============================
An independent vulnerability laboratory researcher discovered a remote
sql injection vulnerability  in the official Joomla com_content v1.5 CMS
web-application.


Vulnerability Disclosure Timeline:
==================================
2020-05-03: Public Disclosure (Vulnerability Laboratory)


Discovery Status:
=================
Published


Exploitation Technique:
=======================
Remote


Severity Level:
===============
High


Authentication Type:
====================
Restricted authentication (user/moderator) - User privileges


User Interaction:
=================
No User Interaction


Disclosure Type:
================
Independent Security Research


Technical Details & Description:
================================
A remote sql-injection web vulnerability has been discovered in the
official Joomla com_content v1.5 CMS web-application.
The vulnerability allows remote attackers to inject or execute own sql
commands to compromise the dbms or file system of the
application and web-server system.

The sql injection vulnerability is located in the `year` parameter of
the `option=com_content` module. The request method to
inject or execute commands is GET and the attack vector is located on
the client-side. Attackers with low privileged accounts
are able to inject own sql queries via insecure transmitted
`status_select` parameter to compromise the dbms.

Exploitation of the remote sql injection vulnerability requires no user
interaction and only a low privileged web-application user account.
Successful exploitation of the remote sql injection results in database
management system, web-server and web-application compromise.

Request Method(s):
[+] GET

Vulnerable Module(s):
[+] option=com_content

Vulnerable Parameter(s):
[+] year


Proof of Concept (PoC):
=======================
The remote sql injection web vulnerability can be exploited by remote
attackers without user interaction and with privileged user account.
For security demonstration or to reproduce the sql-injection
vulnerability follow the provided informationa and steps below to continue.


Dork: index.php?option=com_content&view=archive&year=1 [BSQLI]


PoC: Vulnerable Parameters
https://localhost:8080/index.php?option=com_content&view=archive&year='[BLIND
SQL-INJECTION]--


PoC: Exploitation
https://localhost:8080/index.php?option=com_content&view=archive&year=-1
or 1=1--
https://localhost:8080/index.php?option=com_content&view=archive&year=-1
or 1=0--


Credits & Authors:
==================
Milad Karimi -
https://www.vulnerability-lab.com/show.php?user=Milad%20Karimi


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=========================
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