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MS13-037 Microsoft Internet Explorer COALineDashStyleArray Integer Overflow

This module exploits an integer overflow vulnerability on Internet Explorer. The vulnerability exists in the handling of the dashstyle.array length for vml shapes on the vgx.dll module. The exploit has been built and tested specifically against Windows 7 SP1 with Internet Explorer 8. It uses either JRE6 or an information leak (to ntdll) to bypass ASLR, and by default the info leak is used. To make sure the leak is successful, the ntdll version should be either v6.1.7601.17514 (the default dll version on a newly installed/unpatched Windows 7 SP1), or ntdll.dll v6.1.7601.17725 (installed after apply MS12-001). If the target doesn't have the version the exploit wants, it will refuse to attack by sending a fake 404 message (webpage not found). If you wish to try the JRE6 component instead to bypass ASLR, you can set the advanced datastore option to 'JRE6'. If JRE6 is chosen but the target doesn't have this particular component, the exploit will also refuse to attack by sending a 404 message.

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Module Name

exploit/windows/browser/ms13_037_svg_dashstyle

Authors

  • Nicolas Joly
  • 4B5F5F4B
  • juan vazquez <juan.vazquez [at] metasploit.com>
  • sinn3r <sinn3r [at] metasploit.com>

References

Targets

  • IE 8 on Windows 7 SP1

Platforms

  • windows

Architectures

  • x86

Reliability

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/windows/browser/ms13_037_svg_dashstyle msf exploit(ms13_037_svg_dashstyle) > show targets ...targets... msf exploit(ms13_037_svg_dashstyle) > set TARGET <target-id> msf exploit(ms13_037_svg_dashstyle) > show options ...show and set options... msf exploit(ms13_037_svg_dashstyle) > exploit

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