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Wowza Streaming Engine 4.5.0 Cleartext Storage Of Sensitive Information


Vendor: Wowza Media Systems, LLC.
Product web page: https://www.wowza.com
Affected version: 4.5.0 (build 18676)

Summary: Wowza Streaming Engine is robust, customizable, and scalable
server software that powers reliable video and audio streaming to any
device. Learn the benefits of using Wowza Streaming Engine to deliver
high-quality live and on-demand video content to any device.

Desc: The application stores sensitive information in cleartext within
a resource that might be accessible to another control sphere. When the
file is modified it is automatically applied into the application with
newly created user account. Wowza stores sensitive information such as
username and password in cleartext in admin.password file, which is readable
by local users.

Tested on: Microsoft Windows 7 Ultimate SP1 (EN)
           Winstone Servlet Engine v1.0.5
           Servlet/2.5 (Winstone/1.0.5)


Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
                            @zeroscience


Advisory ID: ZSL-2016-5342
Advisory URL: http://www.zeroscience.mk/en/vulnerabilities/ZSL-2016-5342.php


03.07.2016

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C:\>type "C:\Program Files (x86)\Wowza Media Systems\Wowza Streaming Engine 4.5.0\conf\admin.password"
# Admin password file (format [username][space][password][space][group])
# username password group|group
admin admin admin
beebee pass1234 admin|advUser
test 123123 admin|advUser