Avaya IP Office 11 Insecure Transit / Password Disclosure Vulnerability

[+] Credits: John Page (aka hyp3rlinx)    
[+] Website: hyp3rlinx.altervista.org
[+] Source:  http://hyp3rlinx.altervista.org/advisories/AVAYA-IP-OFFICE-INSECURE-TRANSIT-PASSWORD-DISCLOSURE.txt
[+] twitter.com/hyp3rlinx
[+] ISR: ApparitionSec


[Vendor]
www.avaya.com


[Product]
Avaya IP Office v9.1.8.0 - 11

IP Office Platform provides a single, stackable, scalable small business communications system that grows with your business easily and cost-effectively.


[Vulnerability Type]
Insecure Transit Password Disclosure


[CVE Reference]
CVE-2020-7030
ASA-2020-077


[Security Issue]
A sensitive information disclosure vulnerability exists in the web interface component of IP Office that
may potentially allow a local user to gain unauthorized access to the component.

The request URL on port 7071 and the web socket component requests on port 7070 used by Atmosphere-Framework
within Avaya IP Office, pass Base64 encoded credentials as part of the URL query string.

https://<TARGET-IP>:7071/serveredition/autologin?auth=QWRtaW5pc3RyYXRvcjpBZG1pbmlzdHJhdG9y&referrer=https://x.x.x.x:7070&lang=en_US

wss://<TARGET-IP>:7070/WebManagement/webmanagement/atmosphere/QWRtaW5pc3RyYXRvcjpBZG1pbmlzdHJhdG9y?X-Atmosphere-tracking-id=0&
X-Atmosphere-Framework=2.0.5-javascript&X-Atmosphere-Transport=websocket&X-Cache-Date=0&Content-Type=text/x-gwt-rpc;%20charset=UTF-8&X-atmo-protocol=true 
 
Base64 credentials: QWRtaW5pc3RyYXRvcjpBZG1pbmlzdHJhdG9y
Value: Administrator:Administrator 

The Base64 encoded credentials can be easily disclosed if the machine used to logon to the web Manager is accessed by an attacker.
The URL plus the credentials can potentially be leaked or stored in some of the following locations.

Browser History
Browser Cache
Browser Developer Tools
Cached by web proxy
Referer Header
Web Logs
Shared Systems


[Avaya Products affected]
Avaya IP Office 9.x, 10.0 through 10.1.0.7, 11.0 through 11.0.4.2


[References]
https://downloads.avaya.com/css/P8/documents/101067493