module

MS14-068 Microsoft Kerberos Checksum Validation Vulnerability

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Disclosed
2014-11-18
Created
2018-05-30

Description

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.

Authors

Tom Maddock
Sylvain Monne
juan vazquez juan.vazquez@metasploit.com

References

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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