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1CRM On-Premise Software 8.5.7 Cross Site Scripting

1CRM On-Premise Software 8.5.7 Cross Site Scripting
Posted Aug 2, 2019
Authored by Kusol Watchara-Apanukorn

1CRM On-Premise Software version 8.5.7 suffers from a persistent cross site scripting vulnerability.

tags | exploit, xss
advisories | CVE-2019-14221
MD5 | 695d17c31875b8e4c67974086fb55238

1CRM On-Premise Software 8.5.7 Cross Site Scripting

Change Mirror Download
******************************************************************
* 1CRM On-Premise Software 8.5.7 *
* Stored XSS *
******************************************************************


////////////////////////////////////////////////////////////////////////////////////

# Exploit Title: 1CRM On-Premise Software 8.5.7 - Cross-Site Scripting
# Date: 19/07/2019
# Exploit Author: Kusol Watchara-Apanukorn
# Vendor Homepage: https://1crm.com/
# Version: 8.5.7 <=
# Tested on: CentOS 7.6.1810 (Core)
# CVE : CVE-2019-14221
////////////////////////////////////////////////////////////////////////////////////


//////////////////////////////////////////////////////////////////////////////////////////////////////////////

1CRM On-Premise Software 8.5.7 allows XSS via a payload that is
mishandled during a Run Report operation. ///

//////////////////////////////////////////////////////////////////////////////////////////////////////////////


Vulnerability Description:

XSS flaws occur whenever an application includes untrusted data in a
new web page without proper validation or escaping, or updates an
existing web page with user supplied data using a browser API that can
create JavaScript. XSS allows attackers to execute scripts in the
victim’s browser which can hijack user sessions, deface web sites, or
redirect the user to malicious sites.


########################################################################################################################
Attack Narratives and Scenarios:
#

#
**Attacker**
#
1. Login as any user
#
2. Click Email icon
#
3. Click Report
#
4. Click Create Report
#
5. Fill Report Name (In our case we fill Company B)
#
6. Assign to Victim (In our case we assigned to admin)
#
7. Click Column Layout
#
8. Click Add empty column
#
9. Input malicious code (In our case:
<script>alert(document.cookie);</script>)
#
10. Click Save
#

#
**Victim**
#
1. Click email icon
#
2. Click Report
#
3. Choose report that we recently created (In our case we choose
Company B) #
4. Click Run Report
#
5. Admin cookie will popup
#
########################################################################################################################

PoC

-----------------------------------------

Github: https://github.com/cccaaasser/1CRM-CVE/blob/master/CVE-2019-14221.md


Vulnerability Disclosure Timeline:
==================================

19 July, 19 : Found Vulnerability

19 July, 19 : Vendor Notification

24 July 19 : Vendor Response

24 July 19 : Vendor Fixed

31 July, 19 : Vendor released new patched version 8.5.10

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