module

D-Link DIR-645 / DIR-815 diagnostic.php Command Execution

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Disclosed
2013-03-05
Created
2018-05-30

Description

Some D-Link Routers are vulnerable to OS Command injection in the web interface.
On DIR-645 versions prior 1.03 authentication isn't needed to exploit it. On
version 1.03 authentication is needed in order to trigger the vulnerability, which
has been fixed definitely on version 1.04. Other D-Link products, like DIR-300 rev B
and DIR-600, are also affected by this vulnerability. Not every device includes
wget which we need for deploying our payload. On such devices you could use the cmd
generic payload and try to start telnetd or execute other commands. Since it is a
blind OS command injection vulnerability, there is no output for the executed
command when using the cmd generic payload. A ping command against a controlled
system could be used for testing purposes. This module has been tested successfully
on DIR-645 prior to 1.03, where authentication isn't needed in order to exploit the
vulnerability.

Authors

Michael Messner devnull@s3cur1ty.de
juan vazquez juan.vazquez@metasploit.com

Platform

Linux,Unix

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