Questions tagged [sql-injection]
SQL injection is a technique used to take advantage of vulnerabilities arising from non-validated input on web applications to pass SQL commands through for execution on a backend database.
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Understanding SQLMAP payload
So I was participating in a CTF and there was an sql injection problem. There is a wordpress page with a vulnerable plugin parameter (we will call the website https://vulnerable.com/), and the ...
3
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1answer
77 views
Security concerns in disseminating database design?
I work for a government agency, and we've been requested via a freedom of information request for the layout of the tables of one of our systems, a data dictionary and schema design request.
What are ...
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0answers
40 views
How to send file with SQLMap
Note: this is a challenge in a past CTF.
There is a webapp where you can submit an image that contains some text and the app will run an OCR and search for the text in a database. The app is ...
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0answers
40 views
Boolean blind SQLi with sqlmap
I am trying to run sqlmap in order to find a flag for a CTF. The injection string is sent via a POST request in the parameter called search. The response is received as either 1, 2, or 3 (error codes),...
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1answer
93 views
SQLI Login Bypass Cheat-sheets Question [duplicate]
Assuming you are authorized to pentest a live website that's login page is vulnerable to SQL Injection.
Lets say your backpack has only 2 crafted queries by you which is admin' -- and '=' 'OR'.
Your ...
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0answers
131 views
'=' 'OR' SQL Injection Login Bypass Question [duplicate]
I was testing SQLI Cheatsheets on a vulnerable test site.
This particular injection '=' 'OR' seems to work on the login page.
Why does that injection work? What's the back-end SQL code, if I could ...
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1answer
138 views
Bypass login with SQL injection with additional password check
I'm having some fun with SQL injection attacks, and I'm currently attempting to bypass a login using SQLi.
I think I've figured out the SQL query just fine, however this module also implemented an ...
2
votes
1answer
118 views
Got warnings last night from a SQL injection attack - What were they trying to do?
In sum, they tried 10 different commands. The site is ran on Wordpress, but has a security plugin that, "blocked a page visit to your site." I'm curious as to what they were trying to go after though....
2
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1answer
304 views
' OR 1=1/* SQL Injection Login Bypass Question
Recently I came across a SQL Injection Cheat Sheet which contains this particular cheat sheet which I am confused by ' or 1=1/*
Assuming I am testing it on this server-side code below.
SELECT * FROM ...
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1answer
178 views
SQL injection authentication bypass
I am testing a SQLi login bypass on the PHP code below:
if(isset($_POST["login"]) && isset($_POST["password"])) {
$sql="select * from users where login='{$_POST["login"]}' and password='{$...
3
votes
0answers
56 views
How Can Exploit Xss and Sqli via HTTP Verb Tampering?
I was reading a paper about 'HTTP Verb Tampering' here:
https://blog.jeremiahgrossman.com/2008/06/what-you-need-to-know-about-http-verb.html
The author said:
2) HTTP Verb tampering is generally ...
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0answers
73 views
SQLMAP injection with dynamic token?
I've a web app that has an injection point in POST data.
POST data requires 4 params and one of these is a session-custom token. The problem is that every time request is made i need to get a new ...
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2answers
103 views
Exploiting SQL Injection Vulnerability Using Logical Errors [closed]
<?php
/*
CREATE TABLE `message` (
`remote_addr` TEXT NOT NULL ,
`user_agent` TEXT NOT NULL ,
`name` TEXT NOT NULL ,
`text` TEXT NOT NULL
) ENGINE = MYISAM ;
INSERT INTO `message` (`remote_addr`, `...
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0answers
62 views
WAF is set to Alert, not block. We are seeing thousands of XSS and SQL Injection attacks. How can I tell if any were actually successful?
I'm pretty inexperienced with WAFs and the events/alerts it generates. I'm wondering how I can tell if any of those were successful? For example, in the last 24 hours we saw over 50K alerts/events ...
2
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0answers
251 views
How do I use sqlmap to dump the OWASP Juice Shop schema?
EDIT 4/12/19: Added reproduction steps.
I cannot seem to get sqlmap to successfully exploit and retrieve schema information from OWASP's deliberately vulnerable Juice Shop web application.
I've ...
1
vote
1answer
84 views
What kind of attack is a request like this?
The number of request strings like this one seems to have increased over the last weeks. They all have in common, that they contain a combination of google adwords / google adsense parameters and sql ...
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1answer
98 views
Is removing semi-colons an effective defense against SQL injection?
So obviously there is a security error if I have some code like this
execute("Select * where {} = {}".format(input1, input2))
As someone can simply, for input1, send in 1=1; DROP Table Users-- and ...
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2answers
76 views
When to perform secure code review?
OWASP recommends that secure code review to be performed throughout the SDLC process. Although it makes sense to perform secure code review before moving codes to production, could anyone here help ...
0
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1answer
59 views
SQL injection in Windows Services?
I have many Windows services which run on the server side only. It performs few CRUD operations on a database (MySQL).
There is a client application which allows a user to upload files through it to ...
1
vote
1answer
84 views
Sqlmap, update query and risk param
I was reading about the 'risk' param for sqlmap, and the docs contain information, that risk 3 level can update tables. What does it mean? As far as I understand, this can happen either in the app ...
0
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0answers
31 views
SQL injection in Go with database/sql lib
Is it possible to inject SQL statements with fmt.Sprintf instead of Db.qwery with the ? and not %s parameter? I know it's a bad habit to use it but I wonder if it's possible or not.
Example :
query :...
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1answer
143 views
“Malformed URL” string when trying to inject SQL
I'm trying to check if a particular form of a web app belonging to a bug bounty project is vulnerable to SQL injection.
After inserting a malformed URL, I get this message on my browser: "Malformed ...
1
vote
1answer
184 views
SQL Injection after Like Operator with continuing query
is it possible to add a new query like update in between this?:
SELECT characters.id as charId
FROM characters
WHERE characters.name
LIKE '%<User-Input-Here>%'
ORDER BY `level` DESC, exp DESC
...
-2
votes
3answers
214 views
How can I stay anonymous in a LAN without Internet access?
I need to perform attacks (SQL injection) on a server. I thought of using a proxy to be anonymous, but the topology is a LAN without Internet access. I have no idea of the protocols used in the ...
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1answer
310 views
sqlmap - Testing parameters when reading request from file
After hours of trial an error I decided to ask here for some advice.
I am currently trying to perform a sqlinj using using sqlmap on a system that was specifically designed to be attacked.
The API ...
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1answer
178 views
Is this website vulnerable to an SQL injection?
I have a SquirrelMail server setup, and when I play with the mailbox parameter in the following GET query
example.com/src/right_main.php?PG_SHOWALL=0&sort=0&startMessage=1&mailbox=Drafts%...
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0answers
126 views
Error based SQL Injection Oracle
I have this valid GET request:
GET /restrict/menuApc.do?ID_ASSISTITO=ciao&MVPG=ApcAssistitiRicerca&s_TIPO_ASSISTITO=&s_ASSISTITO=giovanni&s_TIPO_SOGGETTO= HTTP/1.1
Host: test:8080
...
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0answers
259 views
SQLmap check sql burp vulnerability
Burp suggests me that an application has an SQL injection point.
First request:
GET /restrict/menuApc.do?MVPG=ApcAssistitoTSRicercaPre&ASSISTITO_ID=*SRVZOSA40002294'&s_ELIMINATI=1&...
0
votes
1answer
334 views
SQL injection using union statement
I have a table with lots of user info - email, password and others. The server performs this query without using prepared statements:
SELECT * FROM login where email = '$_POST';
I want to do an SQL ...
1
vote
2answers
439 views
SQL Injection on MariaDB
I am trying to exploit (legally) a MariaDb database with an SQLi vulnerability.
I have identified the vulnerability here...
/?o=1&page=app
The o=* is vulnerable and produces the following error....
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1answer
185 views
What would be an example of an attack that exploits escape characters?
As far as I know escape characters are characters which change the meaning of the following character. In HTML for example the & is an escape character that declares the beginning of an entity ...
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6answers
15k views
Is it possible to detect 100% of SQLi with a simple regex?
I'm wondering if it is possible to detect 100% of the possible SQLi attacks using a simple regex.
In other words, using very simple PHP code as an example:
if (preg_match("/select/i", $input)) {
...
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0answers
145 views
Exploiting MairaDB Sql Injection with procedure analyse and extractvalue()
I am testing a sql injection to a website. And spending several hours i just become to get the version of the database.
test.com/abc.php?query=1&limit=3 procedure analyse(extractvalue(rand(),...
3
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0answers
75 views
Vulnerable web application - sql-injection that's hard to find with a regular scanner like sqlmap
I am creating a "vulnerable web application".
Is there a way to create a sql-injection vulnerability that is easy to spot during manual testing, but very hard (or impossible) for a regular sqli-...
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0answers
37 views
WAF tuning for SQLi
We have a record tracking application behind WAF. Everytime end users submit a record with special chars such as ' or " or () it blocks it as SQLi even when the payload is completely benign.
At the ...
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2answers
103 views
What are some examples of injection attacks into databases that abuse common programs besides SQL?
Most data validation deals with SQL injection attacks. My question is, what other types of injection types are there that use common programs, and what are good defenses against them?
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1answer
176 views
SQLmap after burp possible injection point
Burp states that a GET request have surely a SQL injection point.
I am using python sqlmap.py -r file_with_that_request.txt --level 5 --risk 3 --dbms=oracle but the injectiont doesn't work. Am I ...
235
votes
12answers
23k views
Is single quote filtering nonsense?
Penetration testers found out that we allow single quotes in submitted data fields, and want us to apply rules (input validation) to not allow them in any value.
While I'm aware that single quotes ...
0
votes
1answer
127 views
SQLmap non authorized user, but the url works in browser
Through Burp Suite I get a possible SQL injection point using this request:
POST /restrict/menuApc.do?ccsForm=AssistitoImposta:Edit&MVPG=ApcAssistitoDatiAnagraficiInserisci HTTP/1.1
Host: test-...
0
votes
2answers
652 views
Getting the column names of a table by brute force blind SQL injection
Is there a way of getting the column names of a table by brute force blind SQL injection in MySQL.
so the query would be:
select column_name from information_schema.columns WHERE table_name = ‘...
0
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0answers
36 views
SQL Injection ORDER By not working MySQL Error Based [duplicate]
I've been learning different attack vectors using applications such as bWapp and others to further my practice and knowledge of cybersecurity.
I've stumbled across a problem in one of them. If Order ...
0
votes
1answer
40 views
What would be the best way to evaulate the database management systems? [closed]
I am an Information security analyst, looking for creative, non traditional, and unapproved ways to query/evaluate DBMS applications that includes SQL Server and PostgreSQL. Goal here is to protect ...
0
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0answers
49 views
How to make --os-shell command work on UBUNTU 16.04 ( Digital Ocean )?
I have made a vulnerable SQLi website ( to teach students ).
I am able to dump the database but I am not able to run os commands or upload os-shell.
I want to show them how to use --os-shell option ...
3
votes
1answer
286 views
Is SQL Injection Possible without double and single quotes?
Let's assume we're building a SQL query like this:
SELECT * FROM users WHERE username = 'Username' AND password='password'
If we blocked the characters " and ', will an attacker be able to hack into ...
1
vote
1answer
361 views
Sql injection bypass against KONA(akmai) WAF
I have been trying to find sql injection against a site in bug bounty.I tried a few parameters via sql map.One such query was shown to be injectible.
Parameter: query (GET)
Type: boolean-based ...
1
vote
2answers
354 views
SQL-injection, unable to get it to work!
I've recently found a SQL-injection vulnerability in one of our web applications. I've been able to exploit this SQLi, but only able to extract some very basic information. I'm not an expert pentester ...
0
votes
1answer
109 views
SQL injection that bypasses website's firewall that filters table by its prefix
There is a website I am assessing for security breaches. It has Joomla 1.5.x with MySQL 5.5.24 and PHP 5.3.2.
I am doing a penetration test, that exploits SQL injection. The thing is that WAF filters ...
0
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0answers
150 views
How trying to fetch limited entries using sqlmap?
I have 1 table (eg: users) with more than 1 million entries.
But when using Sqlmap try to --start and --stop it's not Working.
For example the query is:
sqlmap.py -u http://example.com/index.php?id=...
1
vote
1answer
200 views
What type of attack is the below SQL injection?
Today in the apache access log I saw something like this
https://xxxxx/xxxx/xx/something.html' or (1,2)=(select*from(select name_const(CHAR(103,119,111,107,69,82,84,99,118),1),name_const(CHAR(103,119,...
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0answers
60 views
Introduce a SQLi in a testing application
So I was building an application to demonstrate SQL injection via cookies and wrote some code to run SQL statements if the statement are passed within a redir cookie header but when using sqlmap to ...
