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Computer Associates License Client GETCONFIG Overflow

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Computer Associates License Client GETCONFIG Overflow

Disclosed
03/02/2005
Created
05/30/2018

Description

This module exploits a vulnerability in the CA License Client service. This exploit will only work if your IP address can be resolved from the target system point of view. This can be accomplished on a local network by running the 'nmbd' service that comes with Samba. If you are running this exploit from Windows and do not filter udp port 137, this should not be a problem (if the target is on the same network segment). Due to the bugginess of the software, you are only allowed one connection to the agent port before it starts ignoring you. If it wasn't for this issue, it would be possible to repeatedly exploit this bug.

Author(s)

  • hdm <x@hdm.io>
  • aushack <patrick@osisecurity.com.au>

Platform

Windows

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

Time is precious, so I don’t want to do something manually that I can automate. Leveraging the Metasploit Framework when automating any task keeps us from having to re-create the wheel as we can use the existing libraries and focus our efforts where it matters.

– Jim O’Gorman | President, Offensive Security

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