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osticket.txt

osticket.txt
Posted Jun 22, 2004
Authored by Guy Pearce

A flaw in osTicket will allow a malicious attacker the ability to view files that are supposed to be protected.

tags | advisory
SHA-256 | cac76973da432f255c3cf4113e13301d51783cd3cdae4aba949e8d31c2902592

osticket.txt

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ATTENTION ALL SITES USING OSTICKET. PLEASE DISABLE UPLOADS.

June 17 2004. Multiple Problems with osTicket

Software Data:

OSTICKET, http://www.osticket.com/
"Need to test the system before you install? Then try our demo version of the latest release of osTicket.
DEMO DISABLED"

Note: When a software group will not run their own program, you know it's not safe for you to run.

Problem:

CPanel and other webservers display directory listings of the /osticket/attachments folder. The documents here are private and often financial in nature.

Solution:

Disable directory listing, change osTicket upload code.

Details:

First look at a site using osticket
www.example.com/osticket/

Create a new ticket and upload a file with ticket.

Visit
www.example.com/osticket/attachments/

Now you see your uploaded file here. If you uploaded a PHP document containing

<?PHP
echo "<form action = ''><input type = 'text' name = 'cmd' value = '$cmd' size = '75'><BR>";
if (!$cmd)die;
system($cmd);
?>

You can now run commands on the server by clicking the script.

There's more:

The os ticket software limits the size of uploads by a "hidden" field in the submit form. A user can modify this and upload a file of ANY size possibly leading the site to be shut down if it has webspace or traffic limitations.

Extra:

About 2/3 of sites using the osTicket software do not have directory listings turned on. For the determined hacker they are not safe. When a file is uploaded, it is renamed ######_filename where # is a random number. Because there are no ip restrictions on number of tickets a user could upload the PHP script say 100 times then use another script to randomly guess numbers followed by _name. Then in a MAX of 10k tries they will have hacked the server. This means that the other 2/3 of sites are hackable, just over a longer period of time.

I am sorry to all the servers that were hacked to discover this exploit. (funny joke)

Other:

Cpanel includes osticket. osticket is free. Sites can be found on google with the following url, changed around depending on what you want.
http://www.google.com./search?q=%22Main%22+%22Help%22+%22Support+Ticket+System%22+php+attachment&hl=en&lr=&ie=UTF-8&start=10&sa=N
osTicket requires sql and these exploits lead to the database login info being shown.

Greets: Jack, the general, www.wehack.com

~`TOBY`~



UPDATE JUNE 21ST

ITS NOT RANDOM NUMBERS ITS THE TICKET NUMBER YOU ARE GIVEN! ALL SERVERS ARE VULNERABLE
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