Allowing users to access only the data they are authorized to access.

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3
votes
2answers
1k views

How do I configure SQL Server 2012 so that it can restore and see files in my user account?

I have an SQL Server 2012 instance running as a service on my computer, and according to the service page it logs on as account "NT Service\MSSQLSERVER". However I can't see that account name ...
3
votes
1answer
1k views

User has no password set

I see these when running MySQLTuner.pl: -------- Security Recommendations ------------------------------------------- [!!] User '@debian' has no password set. [!!] User '@localhost' has no password ...
3
votes
2answers
152 views

SQL 2005 Permission Precedence

Very simple question - I have two database roles (Basic, Admin). Say I explicitly deny the Basic role from deleting from table A and grant that to the Admin role. If I am a user who is in both ...
3
votes
1answer
495 views

Is it safe to let application administrators look at v$session, v$process, and v$sql?

In an Oracle database shared among multiple application, is it 'safe' (from a security and system integrity perspective) to allow application administrators access to v$session, v$process, and v$sql? ...
3
votes
2answers
409 views

Linked Server Risks

I'm implementing a new feature which requires data from databases on multiple servers. I just need to union data from all these servers and sort it. The two options that come to mind are: Use linked ...
3
votes
1answer
82 views

Creative workaround for granting edit rights to individual jobs for a group?

We have two developers that say they can not function without full rights to a few jobs on our database server. They both want rights to the same jobs. Given that it seems that MS doesn't seem to be ...
3
votes
2answers
927 views

SQL Server EXECUTE AS trouble

I'm missing something while trying to make my stored procedure use EXECUTE AS. The stored procedure is reading data from source_db, aggregates it and stores result in target_db. The sp itself is in ...
3
votes
1answer
105 views

What is recommended level of security for a production database?

I have a production database on our local server. Currently there are two many logins to the database, about 20, half of them are windows authenticated and the other rest are SQL Server authenticated. ...
3
votes
1answer
988 views

Designing An ACL Based Permission System

I am trying to create a permissions system where everything is going to be stored in MySQL (or some database) and pulled using PHP for a project management system I am building.  I am right now trying ...
3
votes
1answer
636 views

SQL Server symmetric key & certificates games by Hacker?

1) CREATE SYMMETRIC KEY SecureSymmetricKey WITH ALGORITHM = DESX ENCRYPTION BY PASSWORD = N'StrongPassword'; I'm trying to figure out about the SQL Server encryption. once I've executed ...
3
votes
1answer
788 views

Is there a difference between granting SELECT a user and adding them to the db_datareader role?

I was asked to grant SELECT, INSERT and UPDATE to a given user for all tables in a database. I ended up adding the user to db_datareader and granting them INSERT and UPDATE at the database level. ...
3
votes
1answer
66 views

Administration of MySQL Users

What is the best practice for keeping and maintaining MySQL users? Say for example I have 5 programmers and a PHP application connecting to a database. Should I create 6 different users 1 for each ...
3
votes
2answers
3k views

sp_send_dbmail with attachment

SQL Server 2008, connecting via SQL Server Authentication. I have a sproc in DatabaseA which calls sp_send_dbmail in msdb to send an email with a file attachment. The file is on the db server, not on ...
3
votes
1answer
157 views

Help configuring MySQL install for remote connections / root accounts understanding

I installed mysql/phpmyadmin/apache on a linux box for internal network use only. I don't have the strongest understanding of MySQL. Hostname: server.domain.lan IP: 192.168.0.54 After I installed ...
3
votes
2answers
90 views

How to export all the security-related information from a SQL Server database

As you guys probably know, SQL Server does not provide an out-of-the-box solution to export all the security related statements that are declared for each element in the database (both at the database ...
3
votes
2answers
63 views

disallow SET command in a postgresql server

Im planning to publish my postgresql server to a few untrusted clients. I dont want them to modify any runtime setting, like work_mem or something risky to my server. In general I assume the ...
3
votes
1answer
82 views

Analysis service database security at application level

I have got a SSAS Cube, we have written an windows application which would issue MDX queries to access the data from the cube and show it in the reports . This windows application is a licensed ...
3
votes
1answer
275 views

SQL Server 2008 R2 Express password overwrite

I'm using a program that requires SA log-in to SQL Server. We had issues where some 3rd party support numpty changed the SA password and never informed us, so the program couldn't log-in. I've ...
3
votes
2answers
2k views

Users cannot view tables in non-default schema in SSMS

I'm having an issue setting the VIEW DEFINITION permission appropriately at the schema level for one of my users. I've created the schema TestSchema and added some tables. The user currently has ...
3
votes
1answer
567 views

Log shipping setup across domains

I'm running SQL Server 2008 R2 on a Windows machine. I've been tasked with setting up log shipping between our production site (managed by a service provider) and our QA environment which is hosted ...
3
votes
2answers
5k views

Cannot access any database in SQL Server 2008 R2 Express after moving workstation from domain to workgroup

My workstation that has SQL Server 2008 R2 Express for development purposes installed has been moved out of a domain into a Windows workgroup. While being part of the domain I used the account ...
3
votes
1answer
2k views

The server principal “<mydbuser>” is not able to access the database “<mydatabase>” under the current security context

When I try to install a new database, I'm getting this error from SQL Server 2008. The server principal "<mydbuser>" is not able to access the database "<mydatabase>" under the current ...
3
votes
1answer
193 views

Security for Oracle linked server from SQL Server

I'm trying to make the linked server from SQL Server 2005 to Oracle more secure by not having user/pass on "Be made using this security context:" fields so only a specific user can access the data ...
3
votes
1answer
202 views

Domain group hierarchical group membership and SQL Logins mapped to AD groups [closed]

SQL Version: Microsoft SQL Server 2005 - 9.00.4035.00 (X64) Nov 24 2008 16:17:31 Copyright (c) 1988-2005 Microsoft Corporation Standard Edition (64-bit) on Windows NT 6.1 (Build 7601: ...
3
votes
2answers
175 views

Setting up users and admins with schema privileges

I currently have a database that is split into two schemas: data and ref. I have two database roles named Users and Admins. Users need to be able to INSERT, SELECT, UPDATE, and DELETE from the data ...
2
votes
3answers
134 views

What tasks can only sysadmin's do in SQL Server 2000?

I'm cleaning up permissions on my SQL Server 2000, and I want to verify that a particular account still has sysadmin privileges. What non-destructive tasks can only sysadmins do that I can use to ...
2
votes
2answers
254 views

What is this host?

I found this in my local MySQL installation today: mysql> select host, user from user; +--------------+---------+ | host | user | +--------------+---------+ | ::1 | root | | ...
2
votes
2answers
243 views

Attacks on Postgresql listening for requests on 'localhost'

I am using jboss server for my servlets and the postgresql as the database server, listening on port 5432 on localhost. My jboss server is bound to a public IP. I want to know that since my postgesql ...
2
votes
2answers
178 views

How to restrict users to select only query through application textbox field?

Say that I have a web application that lets users to type in a SQL query (SQL Server 2008+). I want users to be able to run any SELECT query and read whatever is in the database, but I do not want ...
2
votes
1answer
303 views

Understanding SQL Server encryption (by password)?

After asking this I still have a question. A company need to store sensitive data. Please let's not talk about certificate right now. A DBA does the following : CREATE SYMMETRIC KEY ...
2
votes
2answers
8k views

Grant create permission on a specific schema in Oracle 11g

I have two users A and B. I want to grant B the permission to create, drop, etc. all tables in A's schema. As far as I can see, I can grant B full access to all schemas not a specific one. Is this ...
2
votes
3answers
677 views

Is encrypted database possible?

I'm not a DBA but I've been asked to see if we can encrypt the data in sql server such that the admin, despite having access to SQL Server won't be able to see the data but application would still be ...
2
votes
2answers
560 views

Securely Send Database Mail via an Insert Trigger

I have spent about 30 hours so far trying to get sp_send_dbmail to work. I finally got SOMETHING to work, but I have serious doubts as to its security. I would like know a method which is better yet ...
2
votes
1answer
426 views

SQL Server 2005 - Map login to pre-existing user

The short of it is that we have several databases that are synchronized between two failover instances. The primary contains logins that are mapped to the users in the databases, and everything's ...
2
votes
1answer
49 views

Use users / logins from another database

Is it possible to use logins/users from one database(F) in another(S) one? I know I can copy it but, when I add user to (F) database I have to copy again them all (or add the same user to (S) ...
2
votes
3answers
624 views

Working Linked Server Query fails in sp_send_dbmail

Take the following example: EXEC msdb.dbo.sp_send_dbmail @recipients = 'me@whatever.co.uk' , @query = 'SELECT TOP 10 * FROM LINKEDSERVERA.DATABASE.dbo.TABLE' , @attach_query_result_as_file = N'True' ...
2
votes
1answer
2k views

What are SQL Server Securables?

I migrated two applications to the new server. One of the them works without any issues but the other ran into back end sql permission problems like The EXECUTE permission was denied on the ...
2
votes
1answer
270 views

unreachable SQL Server for a group of computers

I'm deploying SQL Server 2008 Express in my company. I already installed, did a application, tested, gave permission to user. All desktop users run the program without any problem. But the notebook ...
2
votes
3answers
977 views

SQL Server Permission Denied Error When I'm DBOwner?

So I created an account, gave him dbcreator and securityadmin privileges and then through that account tried to run CREATE TABLE on a database that I had created and now owned, but was getting a ...
2
votes
1answer
332 views

Are passwordless logins like ##MS_SQLResourceSigningCertificate## , ##MS_AgentSigningCertificate## a vulnerability?

I'm new to MS SQL Server. Colleagues working in IT security, have run an scan showing come DB users with null password. Some of them are ( # included ) ##MS_SQLResourceSigningCertificate## ...
2
votes
1answer
430 views

If the users need INSERT/UPDATE/DELETE permissions, is Windows auth still more secure than SQL Server auth?

Some background first: The problem described below wouldn't exist at all if the database in question would have been built with a DBA's mindset: Data access only through views and stored procs --> ...
2
votes
2answers
96 views

Auto Disable a SQL Server User

I have a SQL Authentication User: JOHNDOE I would like this account to auto-expire or auto-disable after X days or at a certain date/time. Any suggestions or best practices to do this?
2
votes
1answer
74 views

Oracle Database: View schema without access to data

In Oracle Database 10g, I need to create a user with these permissions: user can access schema to be able to read table names and columns user can not select (get) any data from any table Is this ...
2
votes
2answers
133 views

One database per company for “security” reasons [duplicate]

Possible Duplicate: Is that a good idea to use one database for 50.000+ shops? We are developing an internet application in C# with MVC 4. It's connected to a database which will contain a ...
2
votes
1answer
2k views

Security permission to only read SSAS Cube with Excel

I have an SSAS database set up on a SQL Server 2008 server. I have a Role set up with a group of users that I want to be able to access the Cubes in that database. I set up "Read definition" and ...
2
votes
2answers
59 views

How to revert multiple impersonations?

When there are nested impersonations (as in exec as user = 'user1'; exec as user = 'user2'; exec as user = 'user1';), is there a way to revert all of them without having to use the revert command ...
2
votes
4answers
499 views

SQL Server grant permissions to STANDBY database

So, first: the setup. We have SQL Server 2012 (ServerA) running in domain A. We have SQL Server 2012 (ServerB) running in domain B, separate subnet, no trusts. These are completely separate domains ...
2
votes
2answers
163 views

How do I maintain more audit history?

I created a SQL Server audit and when I view the audit logs I only see today’s audit. I am saving it to a file and I want to store audit for one year. Is there a way to store database and server audit ...
2
votes
1answer
81 views

Find application password expiration date

I changed password of my application on one sql server? when I am using Login property command I am getting last login date. I want to know when my application password is going to expired in SQL ...
2
votes
3answers
689 views

Encrypt MySQL database on a Linux VPS?

I'm working on a rails app for our church, which stores some fairly sensitive information about our people in a MySQL database. We have our own windows server running Hyper-V so the original ...