ZKTime Web Software 2.0 – Improper Access Restrictions

• Exploit Database
• 35 阅读

• 作者： Arvind V
  日期： 2017-08-18
• 类别：

  • webapps
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/43019/

• Exploit Title: ZKTime Web Software 2.0 - Broken Authentication
  CVE-ID: CVE-2017-14680
  Vendor Homepage: https://www.zkteco.com/product/ZKTime_Web_2.0_435.html
  Vendor of Product: ZKTeco
  Affected Product Code: ZKTime Web - 2.0.1.12280
  Category: WebApps
  Author: Arvind V.
  Author Social: @Find_Arvind
  
  ------------------------------------------
  
  Product description:
  ZKTime Web 2.0 is a cutting edge Web-based Time Attendance software, which
  provided a stable communication for devices through GPRS/WAN, hence, users
  can access the software anywhere by their Web Browser to remotely manage
  hundreds of T&A terminals under complex network condition (WLAN). The
  Application has an administrator role and application user role.
  
  Attack Description:
  The Application is a time attendance software which allows users to
  download their time and attendance data from the application in a PDF
  Format. The data includes their employee’s id, user-id, gender,
  birth-dates, phone numbers and access-areas. These PDF Files however are
  not properly authenticated. If any user get access to the file-download
  link, he can go ahead and download these files directly without any
  authentication.
  
  Proof of Concept Links:
  
  1) http://XX.XX.XX.XX:8081/tmp/report_file/Personnel_20170820144237.pdf
  <http://xx.xx.xx.xx:8081/tmp/report_file/Personnel_20170820144237.pdf>
  2) http://XX.XX.XX.XX:8081/tmp/report_file/Personnel_20170820144238.pdf
  <http://xx.xx.xx.xx:8081/tmp/report_file/Personnel_20170820144238.pdf>
  3) http://XX.XX.XX.XX:8081/tmp/report_file/Personnel_20170820144239.pdf
  <http://xx.xx.xx.xx:8081/tmp/report_file/Personnel_20170820144239.pdf>
  
  
  Impact:
  Personal details pertaining to the employees of the company are disclosed
  without their permissions. This leads to violation of user privacy.
  Moreover the information available can be used to mount further attacks.
  
  References:
  http://seclists.org/fulldisclosure/2017/Sep/39
  http://seclists.org/bugtraq/2017/Sep/20
  http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14680
  
  
  Vulnerability Timeline:
  18th August 2017 – Vulnerability Discovered
  20th August 2017 – Contacted Vendor – No Response
  1st September 2017 – Contacted Vendor again – No Response
  18th September 2017 – Vulnerability Disclosed