imei Addmimistrator’s BugBlog

——————-Summary—————-
Software: MyBB
Sowtware’s Web Site: http://www.mybboard.com
Versions: 1.1.4
Class: Remote
Status: Patched
Exploit: Available
Discovered by: imei addmimistrator
Risk Level: Medium
—————–Description—————
There is a security bug in MyBB 1.1.4 software (latest version fully patched) that allows attacker initualize arbitary varables with arbitary values and perform many attck kinds same SQLINJECTION attack.

bug is in result of Extracting values. In fact forgetting to define “KILL_GLOBALS” constant in /archive/index.php file is reason of this weakness. cause of this flew, an attacker can insert his varables and overwrite his values.
————–See Also——————
{inc/init.php}near 28
if(!defined(”KILL_GLOBALS”))
{
@extract($_POST, EXTR_OVERWRITE);
@extract($_GET, EXTR_OVERWRITE);
}

————–Exploit———————-

mybb/archive/index.php?_SERVER[HTTP_CLIENT_IP]=’sql
————–Solution———————
upgrade to vendors provided patch
————–Credit———————–
Discovered by: imei addmimistrator
addmimistrator(4}gmail(O}com
imei(4}Kapda(O}IR
www.myimei.com
myimei.com/security

Posted by imei on Saturday, June 24th, 2006 at 5:22 am.