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Category:   Application (Generic)  >   BMC Remedy Action Request System Vendors:   BMC Software
BMC Remedy Action Request System Flaw Lets Remote Authenticated Users Modify Certain User Data on the Target System
SecurityTracker Alert ID:  1042177
SecurityTracker URL:  http://securitytracker.com/id/1042177
CVE Reference:   CVE-2018-19505   (Links to External Site)
Date:  Nov 28 2018
Impact:   Modification of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 7.1
Description:   A vulnerability was reported in BMC Remedy Action Request System. A remote authenticated user can modify certain data on the target system.

A remote authenticated user can cause the system to fail to set the correct user context in certain impersonation scenarios to modify certain data on the target system.

Rafael Pedrero reported this vulnerability.

Impact:   A remote authenticated user can modify certain data on the target system.
Solution:   The vendor has issued a fix (Remedy 8.1).
Vendor URL:  www.bmc.com/ (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Any), UNIX (AIX), UNIX (HP/UX), UNIX (Solaris - SunOS), Windows (Any)

Message History:   None.


 Source Message Contents

Subject:  [FD] CVE-2018-19505 - Impersonation may lead to incorrect user context in Remedy AR System Server in BMC Remedy 7.1

<!--
# Exploit Title: Impersonation may lead to incorrect user context in Remedy
AR System Server in BMC Remedy 7.1
# Date: 23-11-2018
# Exploit Author: Rafael Pedrero
# Vendor Homepage: http://www.bmc.com/
# Software Link: http://www.bmc.com/
# Version: Impersonation may lead to incorrect user context in Remedy AR
System Server in BMC Remedy 7.1
# Tested on: all
# CVE : 1CVE-2018-19505
# Category: webapps

1. Description

Remedy AR System Server in BMC Remedy 7.1 may fail to set the correct user
context in certain impersonation scenarios, which can allow a user to act
with the identity of a different user.


2. Proof of Concept

Impersonation may lead to incorrect user context in Remedy AR System Server
in BMC Remedy 7.1.

Go to WorkOrderConsole:

In Request:
/WOI:WorkOrderConsole/Default+User+View+(Support)/userdata.js?winname=SERVERWOIWOI+WORKOrderConsole12345643244
(last values can change)

In response change the user value in function
UserData_Init(){ARKWSetup(2,"USERNAME_TO_CHANGE","....more values).


3. Solution:

Update to the latests version Remedy AR System Server in BMC Remedy 8.1.

-->

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