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

0
votes
1answer
120 views

Can there still be SQL injection when storing the password as a hash?

Could there be any SQL injection vulnerability in the code below since it only queries the database for username and bcrypt hash? Would the vulnerability of this code be more on the bcrypt hashing ...
1
vote
1answer
387 views

Is this enough to tackle script / malicious code insertion in GET, POST requests?

I've got legacy PHP code which attempts to prevent script/SQL injection with the following: if (!empty($_POST)) { reset($_POST); while (list($k,$v)=each($_POST)) { if(!is_array($_POST{...
-5
votes
1answer
131 views

What is the most secure database? [closed]

I need to learn about database systems, but first I need to know which is the safest. For example, information like government data need to be protected, so what is the best database to handle this ...
2
votes
1answer
130 views

Bypassing login with SQL Injection

I'm learning about SQL Injection, and I'm playing around on my local machine with vulnerable web application, which has login form. How the login mechanism works is that it first searches whether ...
0
votes
0answers
37 views

Oracle PL/SQL SQL Injection Test from Unicode to Windows-1252

I have a DB using windows-1252 character encoding and dynamic SQL that does simple single quote escaping like this... l_str := REPLACE(TRIM(someUserInput),'''',''''''); Because the DB is windows-...
1
vote
0answers
28 views

Error based SQLi, i don't understand this SQL statement [duplicate]

I'm trying to validate a challenge on Error-based SQL injection: and there is this SQL statement in the documentation which procude an error, but i really don't see why (also i'm not sure to ...
1
vote
1answer
162 views

How make SQL select query without comma? [closed]

I am trying SQLi and comma was filtered there. How make SELECT SQL request without a comma?
3
votes
1answer
107 views

SQL injection: insert data from Get request

I am using the vulnerable web app mutillidae. There is a webpage where you can view information from a profile but you first need to provide a user and a password. Once you click send, it sends it to ...
2
votes
2answers
632 views

SQLMap: How to dump tables that begin with a specific letter?

I would like to know the command of SQLMap, which permits me to retreive just tables that begin with a special letter. Example with letter "T": sqlmap.py -u www.website -D database -T tables (...)
0
votes
0answers
44 views

sqlmap receiving corrupt/garbage data for password column only

sqlmap is receiving corrupt/garbage data for the password column. The rest of the columns extract just fine. Example: Đ\x9eđ\x98Ú I did a bit of research and a few people have experienced the ...
1
vote
2answers
134 views

Is my code using mysqli_real_escape_string and quotes100% safe against SQL Injection?

My code is: SELECT * FROM tlb_members WHERE username="{mysqli_real_escape_string($_GET['test'])}" I'm searching and some people said using quotes in SQL statements is safe. Is this true?
3
votes
1answer
86 views

Why is this SQL Injection attempt failing on DVWA?

I'm practicing SQL injection on DVWA (non-blind) with the lowest security settings. I want to list the tables in the current database. To do that, I attempt to enter 0'; show tables;-- in the User ID ...
0
votes
2answers
35 views

How to protect data of users in multi-user site?

I am working on a system where people can make their accounts with few things being stored in database like id (that will be auto increment), first name, last name, username etc. Now I am well aware ...
1
vote
0answers
53 views

Open source tool to test a WAF against OWASP Top 10? [closed]

Are there any open source tools to test a WAF against OWASP Top 10? Especially I am looking for a tool that tests a WAF against different types of attacks & reports test results.
1
vote
2answers
285 views

SQLmap POST parameter 'txtLoginID' is not injectable

I have a lab machine that I have been practicing some SQL injection on. I know that the POST parameter that I am trying to exploit is vulnerable as I was able to extract the user DB manually. I ...
0
votes
1answer
146 views

How too use R0b0tPirates 500 error bypass

I had a valid injection, but could not exploit it due to 500 errors, so I looked around and found that R0b0t Pirates, a blog that specializes in tools like sqlmap, has put out a 500 error bypass, ...
0
votes
0answers
47 views

Encoding payloads for GWT version 7

I'm auditing a website built with Google Web Toolkit. It uses serialization version 7, so the tools from GDS Security won't work (they only work till version 5). Using this technique I got all classes,...
30
votes
4answers
2k views

Is it okay to reveal database's table names?

I'm developing web application that uses database. I have to do some operations which needs database table names and db table schema. Will it be secure if I send this kind of information to client ...
0
votes
1answer
89 views

How does Netsparker extract the version of SQL Server during a SQL injection?

We are using netsparker cloud version On last week when netsparker scan it detect SQL Injection Vulnerabilities. However I am surprised as the injection query throw error for casting and the scanner ...
0
votes
1answer
80 views

What does the below SQL injection indicate?

What is the meaning of this command in SQL ? php?que_id =-1/**/UNION/**/ ALL/**/SELECT What does /**/? indicate here?
-1
votes
1answer
135 views

why database show vulnerable column when i give a wrong parameter in query?

When we try for inject a website for find vulnerable column then sometimes we need to give a wrong value in the website parameter. Like www.vhul-web.com/index.php?id=1 union select 1,2,3 -- - Now ...
1
vote
2answers
2k views

What makes an Android application vulnerable to SQL Injection?

Definition of SQL Injection SQL injection is a code injection technique, used to attack data-driven applications, in which malicious SQL statements are inserted into an entry field for execution (e.g....
4
votes
1answer
87 views

xp_cmdshell to add domain admin

Did an assessment on SQL injection the other day and the only question I didn't do was to add an domain admin. Got access to xp_cmdshell. Tried net user username password /ADD /DOMAIN but permission ...
0
votes
1answer
616 views

Exploit SQL injection in OWASP ZAP

I have done a normal scan (not fuzzing) of a website using ZAP in attack mode, and it gives me several possible injections. My question is if there is any way to try to exploit these within ZAP, ...
5
votes
1answer
152 views

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 ...
8
votes
2answers
117 views

Response to unauthorized scan by legit company? [closed]

On Christmas day, our web service came under an apparent attack and we responded by blocking the (single) source IP. Upon later investigation, it turns out the 'attack' was actually an intense ...
3
votes
1answer
337 views

SQLMAP and DBMS credentials, how do you use them?

for educational purposes and in order to develop a test for students, i try to "hack" a website developped by a friend : http://www.websitetohack.com.index.php?id=5 When i launch SQLMAP, it finds a "...
1
vote
2answers
18k views

sqlmap unable to find SQL injection vulnerablitity

so i just started up with sqlmap to learn sql injection vulnerability on my application. Here I followed steps as per some tutorials. So this are the steps which i followed : sqlmap.py -u "http://...
3
votes
2answers
86 views

Presence of table “sqlmapoutput” in PostgreSQL database

I was pentesting a client's database and saw this one table "sqlmapoutput" in one of the user created schemas. It's a PostgreSQL DBMS. and he has no idea how it came there. There was no data in the ...
16
votes
3answers
2k views

How to defeat doubling up apostrophes to create SQLi attack?

I know some developers double up apostrophes to mitigate SQLi. (This is when the input is ' so it becomes '') Is there a way to beat this? This is on MS SQl Server.
3
votes
0answers
365 views

SQL security - ACID transactions and locking to prevent financial fraud (timing attack?) [closed]

I am trying to prevent something similar to this from happening: http://hackingdistributed.com/2014/04/06/another-one-bites-the-dust-flexcoin/ Basically the financial exchange was using non-ACID ...
4
votes
1answer
411 views

SQL Injection - login bypass [closed]

Background information: SQL Injection as a school task. Login bypass. Given two input fields name and password. Confirm via solve button. Info on what I have and was able to find out: it is ...
17
votes
4answers
9k views

Is it possible to do SQL injection (HIGH Level) on Damn Vulnerable Web App?

I searched all over google to see how it would be possible to bypass the following (it's from the high level of security from DVWA): <?php if (isset($_GET['Submit'])) { // Retrieve data $id ...
1
vote
1answer
104 views

Can SQL test by using SqlMap tool harm a website?

I am just learning about SQL injection attack, and I want to test this by using sqlmap on my own website.However I wonder if the attack can cause any harm on my website's services during the attack? ...
5
votes
1answer
267 views

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 cookie)...
18
votes
3answers
25k views

SQL injection with AND 1=1

Please explain the meaning of "AND 1 = 1" in a SQL injection attack. It's from an exercise in my university. E.g. select * from user where id = 'smith'' AND 1=1;-- and birthdate = 1970; or ...
3
votes
0answers
259 views

Plugin for integrating SQLMAP and BURP SUITE

I am trying to do SQL Injection using the SQLMAP Burp Plugin which I downloaded from http://code.google.com/p/gason/downloads/list. I have followed the steps for windows provided in http://resources....
2
votes
0answers
62 views

Bypass an escape function - SQL injection (Educational Purpose) [duplicate]

I am trying to simulate an SQL injection on a VM Apache server. The query I send is being converted into the part of a parameter's value i.e an escape function is restricting me. For example if I ...
1
vote
2answers
261 views

Blind SQL injection: Can you execute a hex string as part of the query?

Sorry in advance if this is a noobish question, but I can't seem to find the right phrasing to get the answer on google or here--I'm pretty new to SQL and am working on a SQLi challenge that is a ...
1
vote
0answers
204 views

How to tell sqlmap to resume an exploit from results-*.csv file?

How to notify SQLMap to resume an exploit from results-*.csv file? Example: ~/.sqlmap/output/results-xxxxxxxxxx.csv Target URL,Place,Parameter,Techniques http://example.com:80/login.php,POST,...
-1
votes
1answer
47 views

Is this PHP script secure? [closed]

I'm trying to create a secure website. Can someone let me know if this is susceptible to SQL injection? If it is, could you provide me with an exmaple of a statement that would work for injection? I'...
6
votes
1answer
327 views

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] ...
2
votes
1answer
154 views

sql injection: single quote vs double quote

Can someone explain me why this code: $sql='select * from admin where user_name="$user" and password="$pass" ' ; $re = mysql_query($sql); is not vulnerable (payload: "or 1=1-- ) while this ...
-4
votes
1answer
123 views

SQLi : Can I extract a mysql data without knowing column's name?

Here's the vulnerability code: <?php $filtered = "/information|schema|_/i"; #... blahblah $query = "SELECT * FROM user WHERE id='$id' AND pw='$pw';"; // exist hidden column $...
2
votes
1answer
56 views

SOP for SQL Injection Attack

What should (or) how an Incident Handler do (or) follow when an SQL injection attack is reported? Initial Response Analysis Action Aiming to make a procedure guide to follow for myself and my team....
3
votes
1answer
358 views

Google crawling and SQL injection

recently my logs shows attack signatures from /news/html/?0'union//select//1//from//(select//count(*),concat(floor(rand(0)*2),0x3a,(select//concat(user,0x3a,password)//from//pwn_base_admin//limit/...
2
votes
2answers
117 views

Is it possible to do anything against a website with SQL injection that returns 400?

So today at my job I notified a senior programmer that I found an SQL injection at our website. However, when I make an SQL injection, the page just returns 400, so I can't really see any errors or ...
1
vote
1answer
412 views

How to use a Blind SQL-i keyword?

After scanning my website with uniscan I found a few vulnerabilities. I found this answer here and tried but it does not return anything except what it should return. Blind SQL Injection: [+] Vul [...
6
votes
1answer
176 views

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. ...
1
vote
0answers
76 views

Double Query injection

I'm trying to learn about "Double Query Injections", but in the tutorials they write following the command but without any explanation: (select * from (select count(*), concat(0x3a,0x3a,(select ...