MySQL is an open-source relational database management system.

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Devious Blind SQL Injection Payload

I came along this blind SQL injection time based payload and I need to understand how it works ...
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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?
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3answers
247 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 ...
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2answers
73 views

Possible security issues with on demand generated image from database

I want to know what could be the potential risk with the displaying part of this behavior. For the upload part : 1- A form with a file upload for image. 2- Image content is save into Mysql ...
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0answers
156 views

HIPAA requirements for local server

I am looking to create a ePHI database for a small physical therapy office and I would like some advice on some of the security that I will need to implement. Most computers will most likely have no ...
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1answer
141 views

Where can I find good word list for MySQL 5? [closed]

I wonder where can I find good collections of dictionaries which can be used for MySQL 5 dictionary attack? I just need MySQL 5 word lists / dictionaries. I found a lot of MD5, SHA1, etc. but not ...
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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 ...
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0answers
704 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: ...
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1answer
1k views

SQLMAP unable to upload the stager file with 404 error

I can't get to upload the stager file on the OWASPbwa document root (/var/wwww/WackoPicko/users). I am not sure how to troubleshoot this error. Any help on the issue will be appreciated. Thank you. ...
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0answers
36 views

Mysql Virtual IP and timeout

What are the risk that I encounter when increasing the timeout of a vip between a web server (apache) and mysql cluster (two servers). Actually it is set to 5 minutes. If time_out was 1hour, knowing ...
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2answers
1k views

Is it not safe to open MySQL's port to the internet?

The consensus on this Server Fault question seems to be that opening port 3306 for MySQL is more dangerous than using an SSH tunnel to access MySQL. I would think that with strong credentials you ...
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1answer
70 views

Running an Open Server (contents are visible)

I'm considering the possibility of running an Open Server, as I would call it, that is, a server where as much of its contents are publicly visible as possible. I would like to give read access to ...
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74 views

Where to save digital content and prevent sharing?

I've been inspired by the answer to the question here: Location to store an encryption key It gave me a lot to think about. My friend and I are building a website and we've encountered a problem in ...
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1answer
382 views

MySQL Authentication Hash Cracking

I'm currently conducting research regarding MySQL server remote authentication. I've captured unencrypted, uncompressed authentication packets between the client and the server where the username is ...
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0answers
225 views

Best approach for storing banking information

I am currently developing an auction desktop application. At the moment I am storing the buyer and vendor information in 2 separate tables within a MySQL Database. Currently the data for these tables ...
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1answer
258 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 ...
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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 ...
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3answers
90 views

How secure is my method?

I want to select data from a MySql database on an iphone device. The method I seem is the easiest one is to connect to a php file with GET arguments and then return it as a string. Now I'm just ...
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1answer
130 views

System that manages real money

I am working on a project that incorporates real money into peoples accounts. Their accounts are stored in a MySQL database and inside it there is a column called "BALANCE". When the users send money ...
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1answer
778 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 ...
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1answer
72 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 ...
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1answer
661 views

Are there HIPAA requirements to encrypt our database hosted in AWS

I'm developing Medical Billing & EHR Software. On completion we are planning to use AWS for hosting and thus provide SAAS. Do we need to encrypt the MySQL database in order to keep HIPAA ...
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2answers
112 views

LAMP Stack Tiers - why?

What are the vulnerabilities mitigated by a tiered LAMP stack? As I understand it, any breach would allow access to the database even if it was tiered. What's the benefit? Are we better to ...
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3answers
799 views

What would the potential abuses be for an HTTP API that accepted raw SQL?

I was wondering what some of the potential abuses could be for an HTTP API that accepted SQL queries and output results sets. The fact that this is the canonical definition of SQL injection is not ...
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1answer
247 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 ...
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2answers
437 views

MySQL ENCRYPT salt is not random?

I know there's little reason to still use ENCRYPT() nowadays, what with bcrypt being almost ubiquitous and MySQL providing better hashes such as SHA1. But while dabbling with ENCRYPT() on MySQL ...
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1answer
225 views

How important is a mysql password for localhost?

We can assume that if an attacker gained access to a web server running mysql that they would be capable of reading the scripts to determine the mysql password. If mysql only responds on localhost, ...
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457 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, ...
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6answers
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Should I obscure database primary keys (IDs) in application front end?

I'm working on an application which allows a moderator to edit information of user. So, at the moment, I have URL's like http://www.example.com/user/1/edit http://www.example.com/user/2/edit I'm a ...
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2answers
695 views

Sql injection is not working on my site?

I have set up a page and database so I can practice SQL injection. Ive tried some examples and it doesn't seem to work. It seems to add the username and password to that database, even though I input ...
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1answer
130 views

/WEB-INF/web.xml showing MySQL credentials?

I found the file /WEB-INF/web.xml on a domain I'm associated with. The XML file contains: <database> <jndi-name>jdbc/mysql</jndi-name> <driver> ...
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2answers
130 views

Is giving out login information to a read-only mysql database to the public a security threat?

I was looking to give out login information to a read-only mysql database (via phpmyadmin) to the public (the users of my program) to use for reference purposes on a production environment. Would I be ...
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1answer
101 views

MySQL authentication, how to pad the 20-byte salt

Im authenticating with a mysql server with the authentication method listed here. I observed the salt and hash using wireshark, and I know the password, but I am having trouble reproducing the hash I ...
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4answers
529 views

What needs to be focused on when hardening a LAMP stack? [closed]

I have a site running on a VPS. I set up the LAMP stack and a few other programs personally. This is only the second time I have set up a VPS and I am a bit worried about security. Are there things ...
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198 views

Removing Unnecessary Services & Packages in a MySQL Ubuntu 12.04 Server [closed]

As part of hardening a MySQL 5.6 server running on Ubuntu 12.04 LTS, unnecessary services and packages will have to be removed. For a server that is serving only as a MySQL server, what services and ...
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127 views

What are some good ways to prevent a malicious visitor from maxing out our customer's API maximum allowed service calls?

We run an API service. We gave our customer a package for max limit of 12000 API calls / day. He reported to us that a user has been on purposely visiting his web page 12,000 times a day in order to ...
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1answer
332 views

MySQL encryption without knowing key

I am currently struggling with how to correctly implement storage of encrypted fields in a MySQL db, without knowing the encryption key. The result I am trying to achieve is to encrypt certain pieces ...
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1answer
87 views

Base Programming for vulnerabilities

Hello, I am a beginner looking for some information. My question is the following: In order to understand certain security concepts is it essential that I understand the underlying languages? For ...
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1answer
1k views

Protecting MYSQL with Fail2Ban? [closed]

I have a bunch Raspberry Pis collecting data from behind client firewalls. I want to start sending this data to MYSQL server. Because the Raspberry Pis do not have static IP addresses, I obviously ...
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1answer
235 views

A Question about Database Encryption [closed]

I've been looking around for an answer to this for some time now and I felt that this place would be a good venue to ask this. How can one improve the security in a MySQL database? The database that ...
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1answer
684 views

Is a simple Whirlpool hash with random salt secure enough? [duplicate]

I've been working on a site that requires users to login. It's written in PHP with MySQL, and passwords are stored as Whirlpool hashes with a salt (source code later). However, security sites or ...
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4answers
219 views

search CA for someone's public key

do CAs offer service wherein an application can request someone's public key? i am trying to do this but i am unsure if it is correct (suggestions of better ways to do it will be most appreciated): ...
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151 views

Sql Injection - Possible exploitations on a real case [duplicate]

This is a snippet of a PHP script: $useragent = isset($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : NULL; $query = "SELECT `id` FROM `browser` WHERE name = '".$useragent."' LIMIT ...
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4answers
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Reasonable way to store encrypted passwords in a webapp's database, Linux

This question is generally similar to past questions asked here, but I haven't seen one the relates to Linux. Case at hand: a PHP web app has a MySQL backend. As part of its functionality it accesses ...
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1answer
226 views

Separating Apache and MySQL over Tor for security, performance, and reliability

I'm trying to set up a hidden web service over the Tor network, and I was thinking of making a configuration where my Apache server and my database server are located on different networks. I know ...
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1answer
381 views

is 'mysql_real_escape_string' enough

Recently on stackoverflow I've seen many discussions that mysql_*_escape_string is deprecated and instead recommending PDO. The way I've been doing it was to allow only letters and ' in the name field ...
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2answers
144 views

What permissions should I give to a MySQL 'user' that searches my database?

My site has a search form, which queries a few tables for whatever my end users want to find. What permissions should I give my MySQL user in order to search the database and update the 'times ...
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2answers
483 views

How a database connection makes mysqli_real_escape_string more secure?

I am learning PHP+MySQL and observed that mysqli_real_escape_string function in PHP requires a identifier to a MySQL connection. From some research I found that it has something to do with charset and ...
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1answer
314 views

What are the dangers with creating MySQL databases on the fly?

I am building a site where people set up small, private, social networks. For ease of administration and portability, I would like each network to be stored in a different MySQL database. I ...
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2answers
147 views

Security on Ubuntu 12.04 LST Server for Business App

I am developing bussines application based on php and mysql on ubuntu 12.04 lts server. I have closed all ports except :80 and php code can be executed only by security login and not using cookies but ...