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Adobe Flash Player 11.3 Kern Table Parsing Integer Overflow

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Adobe Flash Player 11.3 Kern Table Parsing Integer Overflow



This module exploits a vulnerability found in the ActiveX component of Adobe Flash Player before 11.3.300.271. By supplying a specially crafted .otf font file with a large nTables value in the 'kern' header, it is possible to trigger an integer overflow, which results in remote code execution under the context of the user. This vulnerability has also been exploited in the wild in limited targeted attacks. Please note in order to ensure reliability, the exploit is forced to modify your URIPATH parameter to less than 3 characters, which may cause possible URIPATH collisions.


  • Alexander Gavrun
  • sinn3r <sinn3r@metasploit.com>
  • juan vazquez <juan.vazquez@metasploit.com>




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/adobe_flash_otf_font
msf exploit(adobe_flash_otf_font) > show targets
msf exploit(adobe_flash_otf_font) > set TARGET < target-id >
msf exploit(adobe_flash_otf_font) > show options
    ...show and set options...
msf exploit(adobe_flash_otf_font) > exploit

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