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Polycom Command Shell Authorization Bypass

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Polycom Command Shell Authorization Bypass

Disclosed
01/18/2013
Created
06/14/2018

Description

The login component of the Polycom Command Shell on Polycom HDX video endpoints, running software versions 3.0.5 and earlier, is vulnerable to an authorization bypass when simultaneous connections are made to the service, allowing remote network attackers to gain access to a sandboxed telnet prompt without authentication. Versions prior to 3.0.4 contain OS command injection in the ping command which can be used to execute arbitrary commands as root.

Author(s)

  • Paul Haas <Paul.Haas@Security-Assessment.com>
  • h00die <mike@shorebreaksecurity.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/unix/polycom_hdx_auth_bypass
msf exploit(polycom_hdx_auth_bypass) > show targets
    ...targets...
msf exploit(polycom_hdx_auth_bypass) > set TARGET < target-id >
msf exploit(polycom_hdx_auth_bypass) > show options
    ...show and set options...
msf exploit(polycom_hdx_auth_bypass) > 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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