SQL injection is a technique used to take advantage of non-validated input vulnerabilities to pass SQL commands through a Web application for execution by a backend database.

learn more… | top users | synonyms

-2
votes
1answer
113 views

Interesting security demos for beginners [closed]

I am thinking about a creating short security demo to get people interested in the security topic. I've had a couple of ideas just want to see if anyone has anything else interesting. Edit: I was ...
4
votes
2answers
154 views

In what situations does parameterizing a query NOT prevent SQL Injection?

While this isn't terribly common, I know that SQL Injection is still possible with a parameterized query, if you are calling a stored procedure that uses a parameter to construct and execute dynamic ...
1
vote
1answer
123 views

Do PHP/SQLI Prepared Statements Need Special Character Escaping?

I'm using php/mysqli queries such as this: $stmt = $con -> prepare("INSERT INTO `comments` (`uid`, `article_id`, `status`, `comment`) VALUES (?, ?, ?, ?)"); $stmt -> bind_param('iiis', $uid, ...
4
votes
2answers
317 views

Placeholders for cshtml — ASP.NET

I'm learning Application Security, and tutorials such as www.asp.net discuss updating databases with placeholders, instead of directly using user input @{ var title = ""; var genre = ""; ...
8
votes
3answers
2k views

SQL Injection if table structure/db structure not known

could an attacker who'd just found out that you're using mysql make an SQL Injection attack with only this information? If you don't know Any table/db name how come you can find it out? Is that even ...
4
votes
2answers
717 views

SQL Injection Modify / Insert Table Values

Is it possible to update a field in a MySQL database or insert a new row using SQL injection in this case: The only protection in the PHP code is mysql_real_escape_string(). The query is ...
-2
votes
2answers
120 views

How to know table name, and column names for login panel

I want to know the table name and column names of that table in website login page. How should I do that. There are only two input fields, Username and Password. And it is vulnerable to Sql ...
2
votes
0answers
39 views

Navigating SQL Injection Safeguards [duplicate]

I'm trying to get around the DVWA high security SQL injection challenge, I've tried a bunch of automated scanning tools with no luck, read a bunch of articles saying it's impossible now i've turned to ...
406
votes
19answers
52k views

How can I explain SQL injection without technical jargon?

I need to explain SQL injection to someone without technical training or experience. Can you suggest any approaches that have worked well?
0
votes
3answers
1k views

Does this simple function add something to prepared statements?

I've been researching how to completely prevent against SQL injection, but there are so many different forms of injecting that completely preventing it looks impossible to me. I am using prepared ...
1
vote
2answers
736 views

1'or'1'='1 help

When I put Username:anything and Password : 1'or'1'='1 Then my database retrieves the first row in the mysql table. But I want to retrieve the row corresponding to Username:anything row. How should I ...
4
votes
1answer
212 views

SQL injection with single statement query

Suppose I had a vulnerable query like this: var q = 'SELECT x FROM y WHERE id = ' + req.body.id + ' ORDER BY date DESC;'; For the purposes of this question, req.body.id could be any integer ...
1
vote
1answer
426 views

Devious Blind SQL Injection Payload

I came along this blind SQL injection time based payload and I need to understand how it works ...
3
votes
2answers
1k views

How does stored procedure prevents SQL injection?

May be I am not much clear about the stored procedure. Can someone explain me how stored procedure prevents SQL injection with a simple example using MySql.
2
votes
3answers
189 views

How do attackers find the database technology used by a web application?

These days there are several database technologies are available for data storage purpose. While performing injection attacks, how do attackers actually identify the database used by a website? If ...
2
votes
2answers
146 views

ASP.NET SqlDataSource injection risk

I have an internal website (going on the intranet) that is going to go through vigorous testing to make sure that it is secure, so I am battening down the hatches so to speak and I coded a .NET ...
6
votes
2answers
3k views

What is the meaning of “something AND 1=0” command in SQL?

I have read somewhere that in SQL injection attacks the attackers use such keywords into application entry points. Whats the purpose of doing this?
0
votes
1answer
81 views

What is the main function of xp_cmdshell in SQL Server and what are its related security issues?

I was researching on Injection issues in MS SQL Server. I came to read about xp_cmdshell. I think this must be enabled in the SQL server for attackers to perform many exploits. Actually what is this ...
12
votes
3answers
4k views

Why do testers often use the single quote ( ' ) to test for SQL injection?

It has been seen that security testers input either ' or ; into the application entry points to test for SQL injection. Why are these characters used?
5
votes
3answers
164 views

Is my vendor vulnerable to sql injection?

The company I work for has recently moved to an external vendor for payroll services. We did an initial upload of data from our old system to the new vendor. I noticed that our employees that have ...
2
votes
1answer
73 views

Why isn't recommended to use time-based blind for bruceforcing table/column names?

When not having priveleges on the session user you're using with sqlmap this warning appears when trying to retrieve table/column names, offering you to brute force names using a dictionary file, do ...
-1
votes
1answer
120 views

Is attempting mySQL injection illegal? [closed]

I was testing an SQL injector I made in Java and the site I tested it on said 'Detected security breach attempt' blah blah blah. Is what I did illegal or not? I have found different opinions and ...
7
votes
6answers
1k views

Faster SQL injection prevention

I looked around everywhere and I can't find the answer to my question. I'm using the latest PHP for server-sided scripting and MySQL for my database. The character set is utf8mb4, if that makes a ...
7
votes
4answers
6k views

Testing clean urls with sqlmap

Is it possible to test for SQL injection vulnerabilities with using sqlmap with a url that is using mod rewrite (or something like it) to make the urls clean? I know how to test my sites that have ...
0
votes
3answers
792 views

SQL injection filter evasion

During manual SQL injection testing I came upon this. Is there any way to bypass these filters that supposedly prevent a UNION based attack? <?php error_reporting(0); include('db.inc.php'); ...
1
vote
2answers
347 views

Assigning cPanel MySQL Privileges

When I log into cPanel, I go to create a new MySQL Database with the wizard. Usually, it is recommended to assign the database user with all of the permissions from Insert, Update, Alter, Execute, ...
1
vote
1answer
660 views
1
vote
1answer
235 views

how to null out a insert statement?

I am doing a SQLi-Quiz. Below is the orignal statement. insert into users(name,pass) values('bob', [injection point here]) The statement is heavily filterd because the website which supplys the ...
4
votes
1answer
210 views

Weird condition in blind SQL injection point, substr() is valid for exactly two chars

I'm exploiting a blind SQL injection point, which takes a variable as username then check if the username exists in a table. (It's running MySQL 5.X with PHP) So I'm using this to retrieve all ...
0
votes
0answers
537 views

SQLMap and Manage Engine Service Desk Plus Union Injection

Would like some assistance against this SQL injection: http://www.exploit-db.com/exploits/11793/ Proof of Concept: Microsoft Windows Environment with MySQL: ...
0
votes
1answer
2k views

sql injection vulnerability to codeigniter

Hello i want to know why this kind of example question never been asked before. i got this code from my college that they say this kind of code is able to prevent sql injection we use codeigniter to ...
0
votes
1answer
76 views

How sqlmap tests/injections are seen by the victim?

I wonder if the normal webmaster can get some information about SQL injection into their sites. I guess that it is written in some log, and only if you happen to see the logs you'll see that activity, ...
5
votes
2answers
808 views

Could this login form be “hacked” to allow access?

We have this legacy website which has horrendous code in it. I have just been looking through the login form/code and can see un-sanitised sql queries. E.g. in a nutshell: $email=$_POST['email']; ...
1
vote
1answer
839 views

Recognize site vulnerable for SQL injection

Although I understand the concept of a SQL injection and have done simple exploits (simple hack challenge sites and stuff) I'm wondering if one of the site run by my employer is vulnerable. Unlike ...
17
votes
3answers
832 views

Protecting Health Care Database

I am doing a minor project on information security in which i am implementing techniques listed below to protect a HEALTH CARE database. Preventing SQL Injection (using prepared ...
-5
votes
1answer
307 views

what type of database server is used by fb? [closed]

I want to know what type of server facebook uses ? If they use sql server , then is it vulnerable to sql injection ? Are all sql servers vulnerable to sql injection ? I just want to know this ...
-1
votes
1answer
70 views

Where do I put the request data?

Now, I understand this might not be the right place to post about Acunetix but I'm searching my site for any exploits and a couple of SQL Injection exploits have shown up on a /Profile page, how would ...
9
votes
3answers
8k views

What type of attacks can be used vs MongoDB?

I'm starting to learn MongoDB and was curious if it was susceptible to some type of injection attack similar to SQLi. Due to the nature of the DB, I don't think you can inject into it but... What ...
0
votes
1answer
411 views

SQLMap extracts weird chars in one column

I saw this behaviour many times but I never solved it. Sometimes using sqlmap after retrieving good data from columns it fails retrieving only one of them. I can't figure out why this happens for just ...
1
vote
0answers
85 views

What tools on unix can scan sql dumps for malware? [closed]

I'm attempting to check for malware, spam and any kind of injection/exploitation on a sql dump that has been provided and was wondering what kind of tools are there already in place to help with this? ...
1
vote
1answer
234 views

SQL truncation vulnerability

I came to know the SQL truncation vulnerability that I wasn't aware of. It is my understanding that this vulnerability is based on the fact that MySQL truncates the value of an "insert query" whether ...
0
votes
1answer
186 views

Why is it a bad idea to escape HTML before escaping SQL? [duplicate]

From the security perspective (and not usability as it's discussed here http://stackoverflow.com/questions/3648430/is-it-a-bad-idea-to-escape-html-before-inserting-into-a-database-instead-of-upon), ...
4
votes
1answer
2k views

Understanding Boolean Based SQL Injection

I am trying to understand the concept of Boolean Based Blind SQL Injection. I have gone through OWASP Guide To SQLi to understand it. However I am confused with how exactly does it work. Below id ...
16
votes
4answers
2k views

Does stored procedure prevent SQL Injection in postgreSQL

Is it true that stored procedure will prevent databases from being injected? I did a little research and I found out that SQL-Server, Oracle and MySQL are not safe against SQL injections if we only ...
0
votes
2answers
664 views

Is sqlmap traceable?

Is sqlmap still traceable when we use --tor --user-agent and macchanger? For example: sqlmap -u "[vulnerable_website_link]" --tor --user-agent="Mozilla/5.0 (compatible; Googlebot/2.1; ...
0
votes
1answer
691 views

SQL injection is possible but selected queries not working

I'm black-box testing an application which uses java spring framework and MySQL in the back-end. When I insert a single quote (') in a text box field, the server returns a HTTP status code 500 ...
1
vote
0answers
72 views

Which enterprise-class DBMS allow forbiddance of (No)SQL comments?

This question could be renamed "Would forbidding SQL comments inside transactions prevent some SQL injections?", but I'd like to know if some DBMS allow this first. The goal is to reduce the attack ...
4
votes
2answers
122 views

SQL abstraction layer : A preventive mechanism for SQLi?

While performing a pentest for a Java based application I came across an SQL (actually HQL) error by simply putting a single quote in one of the request parameters and breaking the syntax of the ...
0
votes
3answers
133 views

What is blind injection and how to simulate the issue?

What is blind SQL injection, and how does it differ from normal SQL injection? How can I simulate an issue of blind injection?
11
votes
1answer
1k views

How is time-based SQL injection different from other types of SQL injection?

I understand what a time-based SQL injection is, and I understand how it works (at least how it's detected/exploited). However, is there anything in specific which makes this type of injection any ...