Lot of SQL injection on PHP-Nuke 6.5 (secure weblog!)

2003-05-13T00:00:00
ID SECURITYVULNS:DOC:4517
Type securityvulns
Reporter Securityvulns
Modified 2003-05-13T00:00:00

Description

/-----------------------------------------------------------------------------\ | 7 A 6 9 - A d v C: 010 |-----------------------------------------------------------------------------| | | [ PHP-Nuke SQL injection ] | \-----------------------------------------------------------------------------/ | 11/05/2003 | \------------/

Data.

    + Type:         SQL injection.

    + Software:     PHP-Nuke

    + Versions:     6.x (including 6.5) y 5.x

    + Exploit:      Yes

    + Author:        Albert Puigsech Galicia

    + Contact:     ripe@7a69ezine.org

Introduction.

    PhpNuke is a well known content management system programed

in PHP by Francisco Bucci, a lot of people use it because it is very easy to install and manage.

Description.

    Web_Links module, included on PHP-Nuke base package, has multiple

SQL injection (more than 20). The web user may be able to insert his own SQL code in most of the numeric values included in querys, because the plugin coder didn't use inverted comas.

Explotation.

    If the SQL agent allow us to use an UNION sentence (like MySQL 4

does) it is possible to extract information about anything inside the database, of course this includes passwords, personal data, etc. Otherwise, without UNION posibility we can't access to other SQL tables that web links management, so the only posiblity is to play with hits and votes.

    Some examples:

    [*] On viewlink function:

            $result = sql_query("select title,parentid from
            ".$prefix."_links_categories where cid=$cid", $dbi);

http://victim/modules.php?op=modload&name=Web_Links&file=index&l_op=viewlink&cid=2%20<our_code>

    [*] Vim index.php... There are a lot.

Patch.

    There is no patch for this vulnerability. But is easy to add inverted

comas on all numeric values.

Notes.

    I realy sorprised about PHP-Nuke usage. I can&#39;t understand that a

software with PHP-Nuke's security historial may be used. Lot of vulnerabilty have been discovered on this software in last months, and there are more bug. Recomandation for PHP-Nuke users: Migrate!

--

Albert Puigsech Galicia

http://ripe.7a69ezine.org