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www.waraxe.us Forum Index -> Remote file inclusion -> php shell -> root
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php shell -> root
PostPosted: Wed Jun 13, 2007 8:11 pm Reply with quote
drag
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Joined: May 31, 2007
Posts: 25




Is it possible to run local exploits within the r57 or c99 shell to escalate priveleges? Or do you need to be using an actual shell on the system?
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Re: php shell -> root
PostPosted: Fri Jun 15, 2007 9:47 am Reply with quote
ToXiC
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Joined: Dec 01, 2004
Posts: 181
Location: Cyprus




drag wrote:
Is it possible to run local exploits within the r57 or c99 shell to escalate priveleges? Or do you need to be using an actual shell on the system?


with php shells you have limited access to work only on tmp folders or on folders/files that are public.

To move futher on you need a binder (if you are able to install one) .. So to successfully compromise a system with c99 or r57 the system itself should be really stupitly configured.

but still .. maybe the system is patched and configured correctly .. but users that are on it leave the configuration.php or config.php or admin.php files on 777 r/w/e permition so everybody is able to read them ..

and if you move one step futher.. you can do something like this..

cat /etc/passwd

you got all the users on the site .. then write a small script that the only thing will do is.

cat /home/user1/configuration.php >> out.txt
cat /home/user2/configuration.php >> out.txt
cat /home/user3/configuration.php >> out.txt

cat /home/user1/config.php >> out.txt
cat /home/user2/config.php >> out.txt
cat /home/user3/config.php >> out.txt

(imagine having a server with more thatn 1000 sites on it.. NOT ALL THE USERS REMOVE 777 permition on those files)

after that download out.txt file and see what inside Smile

most probably a lot configuration files and a lot database names user/pass

.... then with c99 you can connect to the database and edit/or view the hash value of the admin..

.......( Then of course you call the owner of the site and you inform him to change the permitions ) Smile

Now ... With statistical results.. 3 out of 10 users use same password to cpanel/ssh/admin section of their web application (joomla/phpnuke/e107/etc etc)

Then is more likely to have an ssh password and if you want you can compromise the whole system easier with local exploits...


This is just a thought.. Its easier to exploit a users stupidity than a server's bug Smile

ToXiC

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who|grep -i blonde|talk; cd~;wine;talk;touch;unzip;touch; strip;gasp;finger;gasp;mount; fsck; more; yes; gasp; umount; make clean; sleep;wakeup;goto http://www.md5this.com
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PostPosted: Sat Jun 16, 2007 9:04 am Reply with quote
pexli
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ToXiC no need 777 perms on files to read him,604 enough to read this files witn owner nobody.
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PostPosted: Sat Jun 16, 2007 12:55 pm Reply with quote
ToXiC
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Posts: 181
Location: Cyprus




koko wrote:
ToXiC no need 777 perms on files to read him,604 enough to read this files witn owner nobody.


yes i was giving just an example..

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php shell -> root
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