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Linksys WVBR0-25 User-Agent Command Execution

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Linksys WVBR0-25 User-Agent Command Execution

Disclosed
12/13/2017
Created
06/14/2018

Description

The Linksys WVBR0-25 Wireless Video Bridge, used by DirecTV to connect wireless Genie cable boxes to the Genie DVR, is vulnerable to OS command injection in version < 1.0.41 of the web management portal via the User-Agent header. Authentication is not required to exploit this vulnerability.

Author(s)

  • HeadlessZeke

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/http/linksys_wvbr0_user_agent_exec_noauth
msf exploit(linksys_wvbr0_user_agent_exec_noauth) > show targets
    ...targets...
msf exploit(linksys_wvbr0_user_agent_exec_noauth) > set TARGET < target-id >
msf exploit(linksys_wvbr0_user_agent_exec_noauth) > show options
    ...show and set options...
msf exploit(linksys_wvbr0_user_agent_exec_noauth) > 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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