CVE Request:Directory Traversal in smilie module(MyBB <1.8.11)

[Wester 95 <evilzyzeng () outlook com>]

Hi team,


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


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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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Best regards,

Zhiyang Zeng of Tencent security platform department


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