yuli's blog

One of MySQL engineers requires help

I would like to make this post to reference one of posts published on mysql.com website. A lot of mysql users visit our site and I think our users will be willing to help. Here are the full details:

Donations are requested to help Andrii Nikitin, a MySQL support engineer in Ukraine, provide for his son Ivan who requires a bone marrow transplant operation. The cost of this operation is expected to be between €150,000 - €250,000 ($235,000 - $400,000). Please help us provide Ivan a chance to live.

More information can be found here: http://www.mysql.com/about/help-ivan.html

GreenSQL featured on Linux.com

I got good news for all users. GreenSQL was featured at Linux.com website!!!
Here is the direct link: http://www.linux.com/feature/145341

I have good news for the article readers. Next version will be distributed with pre-build package for Fedora. In addition, the DELETE query will be handled appropriately. Here you can find complete details.

Next version will be released withing a week or 2.

Best regards,
Yuli

New production quality version is comming

Hello my friends,

I am working on this project quite a lot of time. I must admit that we have made a great job making stable version of GreenSQL. Still an existing version lacks a number of features that prevents us from running it in full production mode.

ohloh.net website

Few days ago I submitted GreenSQL project to olhoh.net website. This website collects a impressive amount of information about open source projects. I was very impressed by the amount of data they are able to extract from application sources.

I liked it much. I would like to ask those of you that have account at ohloh.net website to vote for our project. You can do it here: http://www.ohloh.net/projects/greensql

Thanks,
Yuli

Urgent update required - GreenSQL-FW 0.8.2

Yesterday I released new application version. I fixed a number of critical bugs and I advice you to update. In addition I have improved FreeBSD package.

The following bugs were fixed:

  • C++ like comments were not handled correctly
  • Reloading of the log file.

Application crashed when C++ like comments were not closed. For example:
select * from user='abc' /*' and pass = 'pwd'
During last weekend I traced this bug and found it to be a problem in SQL tokenizer module. I fixed this bug in the new application version.

GreenSQL 0.8.1 package released for FreeBSD

During the last week I was working on FreeBSD package of GreenSQL. Finally it is ready. This package creates greensql user used to run the application, creates a number of configuration and documentation files. Finally it creates main application binary and a start-up script.

Take into account this is a first release of greensql installation package fr FreeBSD. If you will have any issues with this package, please ask for help in the greensqsl support forum.

New GreenSQL version (0.8.1)

Hi All

This time I have very good news. I have just released new application version. Basically this time greensql-fw and greensql-console packages were updated. In brief, the following was implemented:

  • New risk engine mechanism. This time it is much more powerful and db firewall is able to cope with complicated SQL queries and find SQL tautologies.
  • While installing Debian/Ubuntu package, configuration database will be created automatically.
  • GreenSQL-Console is now much more user friendly.
  • A bunch of bugs were fixed.

Website is online again

The website was offline for more than 2 month. During this time, I continued working on the application engine improving sql risk engine.

Website was offline, because of the hardware failure. Now, after spending more than 2 month trying to recover by data from the hosting company I decided to start from scratch. I spend almost 2 week recovering almost everything. I had to rebuild SQL Injection test page. Forum backups are not available, so you will have start talking a lot ;)

In this week I plan to finish the GreenSQL howto document.

New MySQL Patterns

During this weekend I found an excellent article on Internet. It explains in details how one can perform blind SQL injection against MySQL. For interested parties you can find it here:

While reading it I found a number of SQL operations that skillful hacker can use it order to exploit SQL injection vulnerability. He can use the following commands:

  • current_user(), system_user(), session_user()
  • version()
  • database()
  • into outfile
  • load file

Ubuntu Package

I have a great news for all Ubuntu users. I managed to create deb package for Ubuntu 6.06 release. Now you can download package from the sourceforge download page.

This package has built-in script that executes all installation shell commands. For example it creates greensql user that is used to execute application (greensql-fw is executed under privilege of this user).

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