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Ubiquiti airOS Arbitrary File Upload

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Ubiquiti airOS Arbitrary File Upload

Disclosed
02/13/2016
Created
05/30/2018

Description

This module exploits a pre-auth file upload to install a new root user to /etc/passwd and an SSH key to /etc/dropbear/authorized_keys. FYI, /etc/{passwd,dropbear/authorized_keys} will be overwritten. /etc/persistent/rc.poststart will be overwritten if PERSIST_ETC is true. This method is used by the "mf" malware infecting these devices.

Author(s)

  • 93c08539
  • wvu <wvu@metasploit.com>

Platform

Unix

Architectures

cmd

Development

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 exploit/linux/ssh/ubiquiti_airos_file_upload
msf exploit(ubiquiti_airos_file_upload) > show targets
    ...targets...
msf exploit(ubiquiti_airos_file_upload) > set TARGET < target-id >
msf exploit(ubiquiti_airos_file_upload) > show options
    ...show and set options...
msf exploit(ubiquiti_airos_file_upload) > 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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