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MS14-068 Microsoft Kerberos Checksum Validation Vulnerability

This module exploits a vulnerability in the Microsoft Kerberos implementation. The problem exists in the verification of the Privilege Attribute Certificate (PAC) from a Kerberos TGS request, where a domain user may forge a PAC with arbitrary privileges, including Domain Administrator. This module requests a TGT ticket with a forged PAC and exports it to a MIT Kerberos Credential Cache file. It can be loaded on Windows systems with the Mimikatz help. It has been tested successfully on Windows 2008.

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Module Name

auxiliary/admin/kerberos/ms14_068_kerberos_checksum

Authors

  • Tom Maddock
  • Sylvain Monne
  • juan vazquez <juan.vazquez [at] metasploit.com>

References

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 auxiliary/admin/kerberos/ms14_068_kerberos_checksum msf auxiliary(ms14_068_kerberos_checksum) > show actions ...actions... msf auxiliary(ms14_068_kerberos_checksum) > set ACTION <action-name> msf auxiliary(ms14_068_kerberos_checksum) > show options ...show and set options... msf auxiliary(ms14_068_kerberos_checksum) > run

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