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.

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Testing SQL injection using sqlmap

I'm just started using sqlmap to test for possible SQL injection attacks. I have got a website which is vulnerable: C:\Python27>python xxx\sqlmap\sqlmap.py -u http://www.example.com/page.php?id=1 ...
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How to get the output of a SQL injection?

This is just for learning purpose. I want to get all the usernames and passwords from a table in a MySQL server, where "magic quotes" have been disable. In the input for the username: I put something ...
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SQL Injection How to inject Clean/Rest URLS

I have a question I'm hoping you could help me with? Unclean url's: http://example.com/index.php?page=foo http://example.com/products?category=2&pid=25 ...
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Do I have to make any more check if I use prepared statements for integers?

I am currently using PDO with prepared statements for some integer values (see PDO::PARAM_INT). That means I call PDO like this: $stmt = $conn->prepare("SELECT `lastMove` FROM ".GAMES_TABLE. ...
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My site just got hit with a SQL injection attack, how can I tell what they were doing?

So a page on my site (it's a PHP page that displays newsletter articles) was vulnerable to SQL injection and got hit. I discovered it because it was doing enough database queries to cause the CPU load ...
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Presentation on Web App Security (ACM Student Chapter)

I am a member of the local ACM student chapter in my university and as part of our activities I am scheduled to give a talk on current issues on Web Application Security (and possibly secure coding ...
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What is SQL injection?

What is the meaning of SQL injection? I am not able to understand the term. And what problems may be caused by SQL injection?
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Does mysql_escape_string have any security vulnerabilities if all tables using Latin1 encoding?

I have heard that the PHP function mysql_escape_string has security vulnerabilities related to mult-byte characters. Are there any vulnerabilities if all tables are using Latin1 encoding?
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Best way to alert a website owner of a vulnerability?

recently i was browsing a site, and i noticed that at the end of the URL it said id=168, which is a common indicator that the site is vulnerable to an SQL injection attack. i did some tests and found ...
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SQL injection across multiple tables

If a website has multiple web apps, each of them connected to different tables in a database and all of the apps are protected from SQL Injection except one; can that one web app be used to ...
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SQL Injection explain this query

' 1=1 GROUP BY CONCAT_WS ('~',version(), FLOOR(rand(0)*2)) having min(0) 1>> My first question is what is CONCAT function is being used for in this query 2>> And Why do we use having min(0) in ...
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Database table name prefixes and security by obscurity

One of the most common pieces of advice with respect to securing WordPress, Magento, and other widely-used pieces of software is to add a prefix to database table names or change the default prefix. ...
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Backdoors after SQL injection?

I just found an injection vulnerability on a live site of a client. It looks like this: $sql = "SELECT * FROM users_dl WHERE Username = '" . $Uname . "' AND Password = '" . $Pword . "'"; I ...
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Possibility of SQL injection on table name that filters backticks?

I am reviewing an application that has something like this: table_name = table_name.replace('`', '') c.execute('SELECT * FROM `' + table_name + '`') Is this actually exploitable if the attacker ...
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SQL Injection - UNION SELECT and returning a 'keyword' to find exploitable columns

I have a problem I'm hoping someone could help with regarding the use of UNION SELECT, in a scripted/automated way to find columns that are exploitable (having already found the number of columns ...
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Why would output from sqlmap be trimmed?

I've decided to learn sqlmap but having an issue with Sqlmap trimming some of my output, the hash. The hash is about to be 32 characters long but I'm only getting 25 and the warning: [WARNING] ...
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How to make a site vulnerable to SQLi?

I've recently taken an interest in SQL injections - it (for some reason, correct me if I'm wrong) seemed like a good place to start (I am pretty much a beginner). Anyways, I want to make a site that I ...
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How to Insert data into a table with sqlmap using its sql-query command

I'm using sqlmap on a test site and I wanted to modify some of the data inside of a table. Using the switch "--sql-query". What is the correct syntax? example: is it --sql-query="My_query_here"? ...
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Does any database let you disable non-parameterized queries and therefore disable SQL injection?

Is there a database that allows this already? If not, here is how I think it could be done. I think it would require modifying the database software and the driver or code that is assembling the SQL ...
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How do I make SQL injection harder but not impossible?

I'm doing a CTF application for my final year project. I wanted to craft a SQL injection flag but I don't wish that they can simply found out the SQLi vulnerability by injecting ' . Hence, is there ...
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How SQL Injection works through URL

I am Web developer , but i don't understand something , i did search and asked many but they know it is just there but the don't give me a technical answer: Main Question : How SQL Injection works ...
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What dangerous characters need to be filtered from user input prior to use in a DB2 SQL query?

I'm looking to fully understand how to properly filter/escape dangerous characters from user input that will be interpolated into a DB2 SQL query. The sanitization routing that I'm analyzing works ...
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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']; ...
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Hibernate SQL Injection - Fortify 360

I am using Fortify 360 to analyze my code's security. Fortify has identified a Hibernate based delete method to perform a delete based on an object that has been passed in. My understanding of ...
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Can anybody recommend any gems for checking security vulnerabilities?

I want to check one of my RoR projects for security vulnerabilities. So can anybody recommend any gems for my needs?
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Scanning DVWA with w3af - Unable to detect SQLi when security on low

I've been messing around with DVWA (Damn vulnerable web application) and w3af. I've been scanning DVWA with w3af, and have used the spiderMan proxy and http config to setup auth credentials to get ...
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SQL Injection on URL, not on parameters

Should WAF or any protecting method, block SQLi done on URLs?(eg GET /test/url'or 1=1--)
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What exploit types do I need to protect against in PHP?

I recently learned that apparently, it is common for people to attempt SQL injections using the HTTP referrer in PHP. What other inputs do I need to protect against? I am currently "cleaning up" ...
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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 ...
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sqlmap HTTP 405 error on a vulnerable POST parameter

For academical purposes I need to explode a blind sql injection on a form paramater which is sent using the POST method. The form is very simple, it just has an input text box where to introduce the ...
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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 ...
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Is the separation of data from different applications via Oracle schemas considered secure?

I am evaluating the pros and cons of having different Oracle schemas vs. separate Oracle servers. Having a dedicated server for each application is really expensive and I only want to consider this if ...
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SQLmap injection not working, manually it works fine

I have built a vulnerable web application to demonstrate SQL injection. I want to show both manual injection and automated injection. The injection requires a) the user to be logged in (session ...
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Is Taking advantage of the IsNumeric() Function In VB.Net Through SQL Injection Possible?

Suppose this is the only mitigation used on a server: Dim IDPerson IDPerson = Request.Querystring("id") If IsNumeric(IDPerson) = True Then IDPerson = IDPerson Else IDPerson = 0 End If IDPerson is ...
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SQL Injection query error with backslash

I have a sql injection vulnerable site which works well if i input query like this qq' -- // or qq' -- ; . But when i inject without slash or semi-colon it throws following error "You have an error in ...
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Are there any tools for scanning for SQL injection vulnerabilities while logged in?

Some pages of my website were vulnerable to SQL injection. The injection worked only when the user was logged in. I have now fixed this problem, and now I want to make sure that no similar problems ...
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2000 Sets of Personal Information

So the story goes like this.. I recently rediscovered an old website i used to go on quite often but i couldn't remember my login. The site is poorly made and hasn't been updated in about 5 years, so ...
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How to test for SQL injection query

When testing for SQL injection in an URL like this: example.com/videos.php?id='34, we use character sequences like: ' " """" /*/ -' -- And many others... How could you test links like these for ...
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SQL injection using letters and numbers?

I was wondering if it is at all possible for a hacker to perform an SQL injection attack using just letters and numbers. For example, let's take a look at this PHP code which uses regular expressions ...
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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 = ""; ...
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Are image uploads also vulnerable to sql injection?

I have some good knowledge how sql injections work. I see that the Googling inurl upload.php will tell one about the upload paths in a website. My Question is that if a person finds a path by which he ...
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Create a page to experiment with SQL injection [closed]

This semester, I have taken a course on Information Security and my project for this course is to implement an SQL injection to obtain admin privileges. For this I first download Havij software ...
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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 ...
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Is it possible to test for Postgres BlindSQL injection using pg_sleep() in a WHERE clause?

In mysql, I am familiar with using the following payloads to test for blindsql when the WHERE clause is vulnerable (all payload examples from fuzzdb): 1 or sleep(TIME)# " or sleep(TIME)# ' or ...
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How do honeypots remain secure to 0days and newer exploits?

If honeypots are designed for a specific set of exploits, such as SQL injection and XSS, how do they protect themselves against other exploits? For instance, if I created a honeypot a few months ago, ...
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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 ...
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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 ...
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SQLi-protection ORDER BY

What would be a good check to remove all possibility of SQL-injection on an ORDER BY col where col is an unsafe variable? I'm currently removing [^A-Za-z0-9_] from the string in php. Is this too ...
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Changing windows client form values at runtime

I am performing a code audit of an older VB6 application which uses dynamically constructed SQL to execute against the database. While I see this as a SQL injection point, the developer contends that ...
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Demonstrating SQL injection

I want to do a demo for a login page that is vulnerable to SQL injection for training purposes. I already tried to build one using PHP and MySQL. I commented the code sanitation to make the page ...