Oracle instance names must not contain Oracle version numbers.

From Oracle Database 12c Security Technical Implementation Guide

Part of SRG-APP-000516-DB-999900

Associated with: CCI-000366

SV-75903r1_rule Oracle instance names must not contain Oracle version numbers.

Vulnerability discussion

Service names may be discovered by unauthenticated users. If the service name includes version numbers or other database product information, a malicious user may use that information to develop a targeted attack.

Check content

From SQL*Plus: select instance_name from v$instance; select version from v$instance; If the instance name returned references the Oracle release number, this is a finding. Numbers used that include version numbers by coincidence are not a finding. The DBA should be able to relate the significance of the presence of a digit in the SID.

Fix text

Follow the instructions in Oracle MetaLink Note 15390.1 (and related documents) to change the SID for the database without re-creating the database to a value that does not identify the Oracle version.

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