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Hacking techniques include penetration testing, network security, reverse cracking, malware analysis, vulnerability exploitation, encryption cracking, social engineering, etc., used to identify and fix security flaws in systems.

HireHackking 
# Exploit Title: SQL Injection
# Date: 18 December, 2017
# Exploit Author: Rajwinder Singh
# Vendor Homepage: http://www.beims.com/products/
# Software Link: http://www.beims.com/optional-modules/#ccw

# Version: BEIMS ContractorWeb .NET System 5.18.0.0
# CVE : 2017-17721


Vulnerability Details:
======================
WEBNET/WOSummary/List in ZUUSE BEIMS ContractorWeb .NET 5.18.0.0 allows SQL injection via the tradestatus, assetno, assignto, building, domain, jobtype, site, trade, woType, workorderno, or workorderstatus parameter.

Impact:
======================
1. Database compromise
2. Server compromise
3. Application defacement
4. Internal network access and exploitation.


Proof-of-Concept:
====================
1. Injected SQL injection payload under page "/CWEBNET/WOSummary/List" in post parameter 'tradestatus' and received SQL error response from server.
2. Saved request in the text file to run automated SQLmap tool for further enumeration and successfully dumped full database which will not be disclosed.

Affected Component:
====================
URL: www.domain.com/CWEBNET/WOSummary/List
post parameters: tradestatus, assetno, assignto, building, domain, jobtype, site, trade, woType, workorderno, workorderstatus

Disclosure Timeline:
=====================
Mitre Notification: 18 December, 2017 
Public Disclosure: 18 December, 2017

Exploitation Technique:
=======================
Remote

Severity Level:
================
Critical

Description:
=====================================================
Request Method(s): [+] POST
Vulnerable Product: [+] BEIMS ContractorWeb .NET System 5.18.0.0

Reference: https://becomepentester.blogspot.ae/2017/12/ZUUSE-BEIMS-ContractorWeb-SQLInjection-CVE-2017-17721.html