Waraxe IT Security Portal

tinman · Active user

Apologies for kicking in the doors and posting here unannounced. I'm looking for a bit of advice from the people here who know what they are doing!

You know how you get something in your head and you just want to beat it? Well, I've got one of those on my hands. It is an irritating local PHPBB that I would love to take down. I've pretty much covered all the bases a newbie can think of. It's PHPBB 2.0.22 without any mods - so it is done up pretty well.

A look at the neighbouring sites don't show any doors apart from one running osCommerce (but can't find anything broken on that).

The hosting is on a Linux VPS - so there is no way into that.

So, it looks like I am stuffed - unless I've missed something. However, a click on a link falls over and gives me this:

waraxe · Site admin

This error message points to the fact, that php setting "allow_url_include" is "Off", so no RFI possibilities in that server.
And if that remote website's url is hardcoded (you can't control it), then it is not security hole, but just unexploitable bug.
Next, i suggest to try to find as much as possible co-located websites on that server (there are multiple ways to enumerate neighbours) and then try to look for any exploitable bug or feature. Use Acunetix or other web vuln scanners, if you don't affraid log noise. There can be websites with some half-installed applications, "secret directories", etc etc. This is your best chance. And of course you can use nmap, enumerate all TCP and UDP open ports, determine services and you never know, maybe something is breakable. Also consider dumb methods, like bruteforce against webapplications. Maybe that oscommerce admin is using username "admin" and password "letmein" Smile

You will not know that, unless you try it out Wink

tinman · Active user

Thank you for the response Mr Waraxe. I feel very honored.

The osCommerce appears to be fairly out of date. I downloaded the current version to have a sniff at the layout and the 'admin' directory is missing on my target. It is a little difficult to age the install but downloading the stylesheet.css gave a date in the comments of 2003 - (the latest is 2008) so probably old and neglected. With no admin directory I am a little stuffed, but on the other hand a number of directories allow browsing. This has given me a list of modules on it, but none of those are helpful.

I'm not worried about the noise and these VPS things tend to be self managed - so I may go fairly undetected.

Nmap gives me this:

waraxe · Site admin

There are many ports open, so you can try ftp/pop3/imap/mysql password bruteforce. If you can guess mysql root password, then local file reading and writing will be possible.
Be sure to indentify all services versions and look for exploits. Try anonymous ftp access. Do traceroute and pinpoint target's perimeter router. Try snmp sweeping, nmap and other things against router - you never know Smile

Best options are ports 80 (web applications) and port 3306 (mysql root pass bruteforce).

tinman · Active user

Thank you for your help Sir.

The Acunetix is showing one or two points of interest.

Can you recommend a brute force tool/script?

waraxe · Site admin

My suggestion is Hydra:

http://freeworld.thc.org/thc-hydra/

One thing to mention - it seems to support only mysql 3.x and 4.x.
I have mysql 5.x on my local PC and hydra failed. Quick look at src code revealed the fact, that mysql 5-th. version is not (yet) supported ...

tinman · Active user

'BRUTUS' seems to work on MYSQL5, but it is 'win' only. Your suggestion to use Acunetix has shown a couple of SQLInjection expoits. It allows '
All I am looking to do is drop all the tables (nothing more refined than that!), so how would I manipulate this?

I guess I would URL encode something like:

' OR 1=1 DROP * #

But it is a guess. I'm very new to this.

waraxe · Site admin

No, in mysql you can't do such tricks. Try to use sql injection for fetching sensitive info, for example admin credentials. This can open the door to the admin interface, where file upload or something like that can be possible. But first info you need is mysql version. This should be seen via port 3306, even without successful authentication ("banner grabbing").

tinman · Active user

I don't get a banner when I try and connect from a command line Sad

mysql -h xxx.xxx.xxx.xxx -u root -p
or
mysql -h xxx.xxx.xxx.xxx -u root
yields:

Access denied for user 'root'@'blah.blah.blah' (using password: NO) + YES

If I go http:xxx.xxx.xxx.xxx:3306 (don't ask, but worth a try) it tries to download a file called 'k3s9aspq.bin' - I can't open it as the character set is wrong. It perhaps means something?

waraxe · Site admin

For banner grabbing just telnet to port 3306 Smile

tinman · Active user

That's not looking so good Sad

waraxe · Site admin

1. Your IP is temporarily banned from mysql access. So just wait and try again or change IP address.
2. This sql injection case does not need single quotes.
Try this:

tinman · Active user

Initially I did not see anything - no errors. Then I notice this:

4.1.22-standard-log

Smile

Mmmm. Getting warmer????

gibbocool · Advanced user

now just guess the database name and you can get username and passwords!

try users, usertable, user etc

waraxe · Site admin

Yes, as it is not version 5.x, then you can't dircetly read database schema and only way to find interesting tables and fields is guessing.
First, just in case try this: