fev 27

Creating and running an Oracle 18.0.0.0.0 DB instance on Oracle Linux

In my previous post I showed how to install the Oracle 18c Exadata binaries in a Oracle Linux 7. Next step is to create and run a database in this environment. Note that this is intended for study only and test the amazing new features of 18c, following this article can make you probably face …

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fev 22

Installing Oracle Database 18.0.0.0.0 binaries on Oracle Linux 7

In this article I will describe how to install the very first available release of Oracle Database 18c (18.0.0.0.0) binaries on Oracle Linux 7.2. Even though it's not officially released for on-premises yet (only Oracle Cloud), in edelivery it is available an Exadata DB version that is compatible with your local machine running OL. Please note that …

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jan 26

SQL Injection on 12c CDBView package finally fixed on 180116

Since last quarter of 2016, a very easy to explore SQL Injection came to public where having a combination CREATE SESSION + EXECUTE_CATALOG_ROLE, an user could escalate his privileges to DBA. The first time I've read about this leak was on Mahmoud Hatem blog. This SQL Injection affects 12.1.0.2 and 12.2.0.1 when the user has this …

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jan 23

Dissecting 180116 BP, PSU, RU and RUR

Since Oct-2017 I am quarterly writing a post dissecting the changes implemented by Oracle CPUs so we can understand better the modifications implemented by Oracle in our Databases. So what oracle internal objects were changed in 180116? VERSION PATCH OWNER TYPE TOTAL -------------------- ---------- ------------------------------ ------------------------------ ---------- 11.2.0.4 PSU & BP SYS PACKAGE 1 11.2.0.4 …

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jan 22

Implementing Oracle Connection Manager with High Availability

One of the biggest problemas we have in Oracle Cloud Infrastructure Classic is that when you provision an ExaCS you cannot assign "IP Network" addresses (as known as private IPs, eg: 10.x.x.x) to your ExaCS machine. That being said, you have only 2 options if you want to communicate your applications in Compute Classic (as …

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