The Oracle REMOTE_OS_ROLES parameter must be set to FALSE.

From Oracle Database 12c Security Technical Implementation Guide

Part of SRG-APP-000516-DB-999900

Associated with: CCI-000366

SV-75917r1_rule The Oracle REMOTE_OS_ROLES parameter must be set to FALSE.

Vulnerability discussion

Setting REMOTE_OS_ROLES to TRUE allows operating system groups to control Oracle roles. The default value of FALSE causes roles to be identified and managed by the database. If REMOTE_OS_ROLES is set to TRUE, a remote user could impersonate another operating system user over a network connection.

Check content

From SQL*Plus: select value from v$parameter where name = 'remote_os_roles'; If the returned value is not FALSE or not documented in the System Security Plan as required, this is a finding.

Fix text

Document remote OS roles in the System Security Plan. If not required, disable use of remote OS roles. From SQL*Plus: alter system set remote_os_roles = FALSE scope = spfile; The above SQL*Plus command will set the parameter to take effect at next system startup.

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