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VLC MMS Stream Handling Buffer Overflow

This module exploits a buffer overflow in VLC media player VLC media player prior to 2.0.0. The vulnerability is due to a dangerous use of sprintf which can result in a stack buffer overflow when handling a malicious MMS URI. This module uses the browser as attack vector. A specially crafted MMS URI is used to trigger the overflow and get flow control through SEH overwrite. Control is transferred to code located in the heap through a standard heap spray. The module only targets IE6 and IE7 because no DEP/ASLR bypass has been provided.

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Module Name



  • Florent Hochwelker
  • sinn3r <sinn3r [at]>
  • juan vazquez <juan.vazquez [at]>



  • Automatic
  • Internet Explorer 6 on XP SP3
  • Internet Explorer 7 on 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/browser/vlc_mms_bof msf exploit(vlc_mms_bof) > show targets ...targets... msf exploit(vlc_mms_bof) > set TARGET <target-id> msf exploit(vlc_mms_bof) > show options and set options... msf exploit(vlc_mms_bof) > exploit

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