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Adobe Flash Player ShaderJob Buffer Overflow

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Adobe Flash Player ShaderJob Buffer Overflow

Disclosed
05/12/2015
Created
05/30/2018

Description

This module exploits a buffer overflow vulnerability related to the ShaderJob workings on Adobe Flash Player. The vulnerability happens when trying to apply a Shader setting up the same Bitmap object as src and destination of the ShaderJob. Modifying the "width" attribute of the ShaderJob after starting the job it's possible to create a buffer overflow condition where the size of the destination buffer and the length of the copy are controlled. This module has been tested successfully on: Windows 7 SP1 (32-bit), IE11 and Adobe Flash 17.0.0.169, Windows 7 SP1 (32-bit), Firefox 38.0.5 and Adobe Flash 17.0.0.169, Windows 8.1, Firefox 38.0.5 and Adobe Flash 17.0.0.169, and Linux Mint "Rebecca" (32 bits), Firefox 33.0 and Adobe Flash 11.2.202.457.

Author(s)

  • Chris Evans
  • Unknown
  • juan vazquez <juan.vazquez@metasploit.com>

Platform

Linux,Windows

Architectures

x86

Development

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

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