Let’s crack the password using john the ripper: Step 1: Combine passwd & shadow Then I try to retrieve /etc/shadow and it’s also successful and obtain the following password hashes: root:$1$y6hGTk5a$1TpAFWhHwn44JOTsIANpk1:18164:0:99999:7::: vmware:$1$7nwi9F/D$AkdCcO2UfsCOM0IC8BYBb/:14042:0:99999:7::: I am able to retrieve the file /etc/passwd. I am trying out the 1997.php Exploitation Webmin: Arbitrary File Disclosure cp /usr/share/exploitdb/exploits/multiple/remote/1997.php. There is a Arbitrary File Disclosure exploit that maybe helpful. So I turn to searchsploit to check for any vulnerability to Webmin. I try some SQL injection test and it’s not vulnerable. The webpage shows a login form to login to Webmin. Following the Next button and fill in some info would just receive some taunting. Note: if you like to maintain the original root password, record the root entry in /etc/shadow file right before changing the root password and then place it back after the procedue is completed. run command: rm /etc/udev/rules.d/lesĪfter doing this, the VM should obtain an IP address correctly.If the VM does not obtain an IP address automatically. Approach: solve without automated exploitation tools.restart webmin with this command: sudo /etc/init.d/webmin restartĪfter that, you can go to in your web browser and login using root as the username and the password of your non-root user.Replace the asterisk in the first line with the password you aquired from /etc/shadow, so that the line looks something like this: root:$1$e/9mjoasd$asdasljjwynSD42 Save the file and exit the editor after that. You will need superuser rights to save it next we edit this file: gksudo gedit /etc/webmin/ers.get your encrypted password from /etc/shadow.įor example, the following command will output the password to the screen: sudo grep your_username /etc/shadow |cut -f2 -d:.To install through synaptic/apt, add the following to your /etc/apt/sources.list through a text editor (or software sources in Synaptic):Īfter you perform apt-get install webmin, you have to do the following: Note this ONLY changes the webmin root login password and does not change the your 'real' root password. Change your working path to the webmin binary install directory and then run : $ cd Then follow these instructions to change the password. If you don't know where it is, you can find it by running: $ locate or $ sudo find / -name To fix this, you need to manually change the Webmin root password.Īfter you perform # apt-get install webmin, you have to do the following: Find your webmin binary install directory and webmin configuration directory. If you install Webmin, and still have Ubuntu root password disabled, you won't be able to log in to the Webmin webpage, as the Webmin root login will be disabled too. Any user that can use Sudo permissions can log straigh in. You can now login as your normal username and password. When installed, pointing a browser to will load the webmin interface. deb file via and can be installed by double clicking the. Version 1.340 of webmin and possibly older are available directly as a. NB: See WebMin for the reasons why Webmin was dropped from Ubuntu, is unsupported and has been known to cause configuration problems. This article does not follow the style standards in the Wiki Guide.
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