Netsweeper 4.0.8 - Arbitrary File Upload / Execution

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+ Netsweeper 4.0.8 - Arbitrary File Upload and Execution +

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Affected Product: Netsweeper

Vendor Homepage : www.netsweeper.com

Version 	: 4.0.8 (and probably other versions)

Discovered by  	: Anastasios Monachos (secuid0) - [anastasiosm (at) gmail (dot) com]

Patched      	: Yes

CVE		: CVE-2014-9619



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+ Product Description +

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Netsweeper is a software solution specialized in content filtering.



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+ Exploitation Details +

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Netsweeeper 4.0.8 (and probably other versions) allows an authenticated user with admin privileges on the Cloud Manager web console, to upload arbitrary PHP code (eg PHP shell) and further execute it.



To replicate the bug, pipe the following request while being authenticated using admin privileges: http://netsweeper/webadmin/ajaxfilemanager/ajaxfilemanager.php



From the response page you can upload any GIF-lookalike php shell (remember to use basic evasion technique for file to upload successfully, hint: filename="secuid0.php.gif" with gif like header and php shell following)



Then, access your shell from: https://netsweeper/webadmin/deny/images/secuid0.php.gif and profit.



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+ Solution +

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Upgrade to latest version.



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+ Disclosure Timeline +

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24-Nov-2014: Initial Communication

03-Dec-2014: Netsweeper responded

03-Dec-2014: Shared full details to replicate the issue

10-Dec-2014: Netsweeper fixed the issue in releases 3.1.10, 4.0.9, 4.1.2

17-Dec-2014: New releases 3.1.10, 4.0.9, 4.1.2 made available to the public

18-Dec-2014: Confirm fix

17-Jan-2015: CVE assigned CVE-2014-9619

11-Aug-2015: Public disclosure