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KingView Log File Parsing Buffer Overflow

This module exploits a vulnerability found in KingView <= 6.55. It exists in the KingMess.exe application when handling log files, due to the insecure usage of sprintf. This module uses a malformed .kvl file which must be opened by the victim via the KingMess.exe application, through the 'Browse Log Files' option. The module has been tested successfully on KingView 6.52 and KingView 6.53 Free Trial over Windows XP SP3.

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Module Name



  • Lucas Apa
  • Carlos Mario Penagos Hollman
  • juan vazquez <juan.vazquez [at]>



  • KingView 6.52 English / KingView 6.53 Free Trial / Kingmess.exe 65.20.2003.10300 / Windows XP SP3


  • windows



Module Options

To display the available options, load the module within the Metasploit console and run the commands 'show options' or 'show advanced':

msf > use exploit/windows/fileformat/kingview_kingmess_kvl msf exploit(kingview_kingmess_kvl) > show targets ...targets... msf exploit(kingview_kingmess_kvl) > set TARGET <target-id> msf exploit(kingview_kingmess_kvl) > show options and set options... msf exploit(kingview_kingmess_kvl) > exploit