Re: MODX SQLi from oss-sec

Brandon Perry <[email protected]>
Newsgroups gmane.comp.security.full-disclosure
Message-ID <CAOJKFBCk+p6i1EHCQ0x57g0vNi+6ao8ZRPvYtZ9bUo-iVr60Tg@mail.gmail.com>
FWIW I believe it is this line that is vulnerable in particular. I can't
prove this at the moment though:

core/model/modx/processors/resource/getnodes.class.php:134:
 "(SELECT COUNT(*) FROM {$this->modx->getTableName('modResource')} WHERE
context_key = modContext.{$this->modx->escape('key')} AND id IN
({$this->defaultRootId})) > 0",



On Sat, Mar 8, 2014 at 11:24 AM, Brandon Perry <[email protected]>wrote:

> Sorry, oss-sec link:
> http://seclists.org/oss-sec/2014/q1/532
>
>
> On Sat, Mar 8, 2014 at 11:24 AM, Brandon Perry <[email protected]>wrote:
>
>> The author of the email to the oss-sec says he isn't sure if the linked
>> commit fixes the issue and it should.
>>
>> You can exploit this possibly using a blind time or boolean sqli. This is
>> me just playing around after doing some code analysis. Possibly other
>> connectors are affected? No idea about whether authentication will be
>> needed for all vectors, but in my cursory testing it needed at least a
>> PHPSESSID cookie (maybe just get first index to get anon PHPSESSID, who
>> knows).
>>
>> [2014-03-08 11:03:33] (ERROR @ /modx/connectors/lang.js.php) Error 42000
>> executing statement:
>> Array
>> (
>>     [0] => 42000
>>     [1] => 1064
>>     [2] => You have an error in your SQL syntax; check the manual that
>> corresponds to your MySQL server version for the right syntax to use near
>> '1=1' at line 1
>> )
>>
>> [2014-03-08 11:03:33] (ERROR @ /modx/connectors/lang.js.php) Could not
>> prepare context: mgr 1=1
>> [2014-03-08 11:03:44] (ERROR @ /modx/connectors/lang.js.php) Error 42S22
>> executing statement:
>> Array
>> (
>>     [0] => 42S22
>>     [1] => 1054
>>     [2] => Unknown column 'mgr' in 'where clause'
>> )
>>
>> [2014-03-08 11:03:44] (ERROR @ /modx/connectors/lang.js.php) Could not
>> prepare context: mgr and 1=1
>> [2014-03-08 11:03:54] (ERROR @ /modx/connectors/lang.js.php) Error 42S22
>> executing statement:
>> Array
>> (
>>     [0] => 42S22
>>     [1] => 1054
>>     [2] => Unknown column 'mgr' in 'where clause'
>> )
>>
>>
>>
>> --
>> http://volatile-minds.blogspot.com -- blog
>> http://www.volatileminds.net -- website
>>
>
>
>
> --
> http://volatile-minds.blogspot.com -- blog
> http://www.volatileminds.net -- website
>



-- 
http://volatile-minds.blogspot.com -- blog
http://www.volatileminds.net -- website

_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.grok.org.uk/full-disclosure-charter.html
Hosted and sponsored by Secunia - http://secunia.com/
lmpx.com only provides a reader for public news (NNTP) servers. It is not affiliated with the servers or forums shown here and is not responsible for the content of articles, which is written by their respective authors.