Netsweeper 4.0.8 – Arbitrary File Upload / Execution
+--------------------------------------------------------+ + Netsweeper 4.0.8 - Arbitrary File Upload and Execution + +--------------------------------------------------------+ 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 +---------------------+ + Product Description + +---------------------+ Netsweeper is a software solution specialized in content filtering. +----------------------+ + Exploitation Details + +----------------------+ 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. +----------+ + Solution + +----------+ Upgrade to latest version. +---------------------+ + Disclosure Timeline + +---------------------+ 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 |