full-disclosure - [FD] CVE Request:Directory Traversal in smilie module(MyBB <1.8.11)

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Message-ID: <PS1PR04MB1001D351675C29EF096C50F0DF0E0@PS1PR04MB1001.apcprd04.prod.outlook.com>
Date: Sun, 9 Apr 2017 13:23:09 +0000
From: Wester 95 <evilzyzeng@...look.com>
To: "fulldisclosure@...lists.org" <fulldisclosure@...lists.org>
Subject: [FD] CVE Request:Directory Traversal in smilie module(MyBB <1.8.11)

Hi team,

I would like to request one CVE for this vulnerability, thank you!

#################################

Description:

============

product:MyBB

Homepage:https://mybb.com/

vulnerable  version:<1.8.11

Severity:Low risk

===============

Proof of Concept:

=============

vulnerability address:http://127.0.0.1/mybb_1810/Upload/admin/index.php?module=config-smilies&action=add_multiple

vulnerability  file directory:/webroot/mybb_1810/Upload/admin/modules/config/smilies.php

vulnerability  Code:

Line 326 $path = $mybb->input['pathfolder'];

Line 327 $dir = @opendir(MYBB_ROOT.$path);

if we input "pathfolder" to "../../bypass/smile",Directory Traversal success!

============

Fixed:

============

This vulnerability was fixed in version 1.8.11

https://blog.mybb.com/2017/04/04/mybb-1-8-11-merge-system-1-8-11-release/

=============

Best regards,

Zhiyang Zeng of Tencent security platform department

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