Meinberg LANTIME Web Configuration Utility 6.16.008 – Arbitrary File Read

• Exploit Database
• 36 阅读

• 作者： Jakub Palaczynski
  日期： 2017-12-13
• 类别：

  • webapps
  平台：

  • cgi
• 来源：https://www.exploit-db.com/exploits/43332/

• Title: Meinberg LANTIME Web Configuration Utility - Arbitrary File Read
  Author: Jakub Palaczynski
  CVE: CVE-2017-16787
  
  
  Exploit tested on:
  ==================
  
  Meinberg LANTIME Web Configuration Utility 6.16.008
  
  
  Vulnerability affects:
  ======================
  All LTOS6 firmware releases before 6.24.004
  
  
  Vulnerability:
  **************
  
  Arbitrary File Read:
  ====================
  
  It is possible to read arbitrary file on the system with root permissions
  
  Proof of Concept:
  First instance:
  https://host/cgi-bin/mainv2?value=800&showntpclientipinfo=xxx&ntpclientcounterlogfile=/etc/passwd&lcs=xxx
  Info-User user is able to read any file on the system with root permissions.
  
  Second instance:
  User with Admin-User access is able to read any file on the system via
  firmware update functionality. Curl accepts "file" schema which actually
  downloads file from the filesystem. Then it is possible to download
  /upload/update file which contains content of requested file.
  
  Contact:
  ========
  
  Jakub[dot]Palaczynski[at]gmail[dot]com