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Valid Node Checking For Registration (VNCR) (Doc ID 1600630.1)

Last updated on MAY 29, 2019

Applies to:

Oracle Net Services - Version 11.2.0.4 to 12.2.0.1 [Release 11.2 to 12.2]
Oracle Database - Enterprise Edition - Version 11.2.0.4 to 11.2.0.4 [Release 11.2]
Information in this document applies to any platform.
Describes the new listener registration security feature known as valid node checking.
VNCR in 11.2.0.4 and newer versions of the listener can mitigate the threat known as: alert-cve-2012-1675
https://www.oracle.com/technetwork/topics/security/alert-cve-2012-1675-1608180.html

Purpose

 VNCR is a new feature in Oracle Net 11.2.0.4 and 12c which allows instance registrations to only come from known servers.

Details

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