HackDig : Dig high-quality web security articles for hackers

Chamilo LMS IDOR - (messageId) Delete POST Inject Vulnerability

2016-02-19 15:15
Document Title:
===============
Chamilo LMS IDOR - (messageId) Delete POST Inject Vulnerability


References (Source):
====================
http://www.vulnerability-lab.com/get_content.php?id=1720

Video: https://www.youtube.com/watch?v=3ApPhUIk12Y


Release Date:
=============
2016-02-15


Vulnerability Laboratory ID (VL-ID):
====================================
1720


Common Vulnerability Scoring System:
====================================
6.1


Product & Service Introduction:
===============================
Chamilo is an open-source (under GNU/GPL licensing) e-learning and content management system, aimed at improving access
to education and knowledge globally.
It is backed up by the Chamilo Association, which has goals including the promotion of the software, the maintenance of
a clear communication channel and
the building of a network of services providers and software contributors.

The Chamilo project aims at ensuring the availability and quality of education at a reduced cost, through the
distribution of its software free of charge,
the improvement of its interface for 3rd world countries devices portability and the provision of a free access public
e-learning campus.

(Copy of the Homepage: https://chamilo.org/chamilo-lms/ )


Abstract Advisory Information:
==============================
An Insecure Direct Object Reference vulnerability has been discoverd in the official web-application Product Chamilo
LMS.


Vulnerability Disclosure Timeline:
==================================
2016-02-15: Public Disclosure (Vulnerability Laboratory)


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


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


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


Technical Details & Description:
================================
An insecure direct object references occurd when an application provides direct access to objects based on
user-supplied input.
As a result of this vulnerability attackers can bypass authorization and access resources in the system directly, for
deleting
another users social wall posts Insecure Direct Object References allow attackers to bypass authorization and access
resources
directly by modifying the value of a parameter[Message id] used to directly point to an Message id of social wall post
id.

Vulnerability Method(s):
[+] GET

Vulnerable File(s):
[+] social/profile.php

Vulnerable Parameter(s):
[+] messageId


Proof of Concept (PoC):
=======================
The security vulnerability can be exploited by remote attackers with low privilege web-application user account and low
user interaction.
For security demonstration or to reproduce the vulnerability follow the provided information and steps below to
continue.

1. User A goes to User B or Admin soical wall in platform : /profile.php?u=[USER ID]

2. choose any Posts related to USER B or ADMIN . and figure out the messageId of Post by replaying to it and
intercept the data to show the messageId parameter.

3. User A as Remote attacker will use this link filled with messageId in last to delete others posts
http://SOMESITE/CHAMILOSCRIPTPATH/main/social/profile.php?messageId=28


Security Risk:
==============
The security risk of the object reference web validation vulnerability in the web-application is estimated as high.
(CVSS 6.1)


Credits & Authors:
==================
Lawrence Amer - ( http://www.vulnerability-lab.com/show.php?user=Lawrence%20Amer )


Disclaimer & Information:
=========================
The information provided in this advisory is provided as it is without any warranty. Vulnerability Lab disclaims all
warranties, either expressed
or implied, including the warranties of merchantability and capability for a particular purpose. Vulnerability-Lab or
its suppliers are not liable
in any case of damage, including direct, indirect, incidental, consequential loss of business profits or special
damages, even if Vulnerability-Lab
or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or
limitation of liability for
consequential or incidental damages so the foregoing limitation may not apply. We do not approve or encourage anybody
to break any vendor licenses,
policies, deface websites, hack into databases or trade with fraud/stolen material.

Domains: www.vulnerability-lab.com - www.vuln-lab.com -
www.evolution-sec.com
Contact: admin () vulnerability-lab com - research () vulnerability-lab com - admin ()
evolution-sec com
Section: magazine.vulnerability-db.com - vulnerability-lab.com/contact.php -
evolution-sec.com/contact
Social: twitter.com/#!/vuln_lab - facebook.com/VulnerabilityLab -
youtube.com/user/vulnerability0lab
Feeds: vulnerability-lab.com/rss/rss.php - vulnerability-lab.com/rss/rss_upcoming.php -
vulnerability-lab.com/rss/rss_news.php
Programs: vulnerability-lab.com/submit.php - vulnerability-lab.com/list-of-bug-bounty-programs.php -
vulnerability-lab.com/register/

Any modified copy or reproduction, including partially usages, of this file requires authorization from Vulnerability
Laboratory. Permission to
electronically redistribute this alert in its unmodified form is granted. All other rights, including the use of other
media, are reserved by
Vulnerability-Lab Research Team or its suppliers. All pictures, texts, advisories, source code, videos and other
information on this website
is trademark of vulnerability-lab team & the specific authors or managers. To record, list (feed), modify, use or edit
our material contact
(admin () vulnerability-lab com or research () vulnerability-lab com) to get a permission.

Copyright © 2016 | Vulnerability Laboratory - [Evolution Security GmbH]™



--
VULNERABILITY LABORATORY - RESEARCH TEAM
SERVICE: www.vulnerability-lab.com
CONTACT: research () vulnerability-lab com



_______________________________________________
Sent through the Full Disclosure mailing list
https://nmap.org/mailman/listinfo/fulldisclosure
Web Archives & RSS: http://seclists.org/fulldisclosure/


Source: 88/beF/6102/erusolcsidlluf/gro.stsilces

Read:2884 | Comments:0 | Tags: Vulnerability

“Chamilo LMS IDOR - (messageId) Delete POST Inject Vulnerability”0 Comments

Submit A Comment

Name:

Email:

Blog :

Verification Code:

Announce

Share high-quality web security related articles with you:)

Tools