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Status Functionality already exists
Workspace Enterprise Key Management Foundation
Categories EKMF Web
Created by Guest
Created on May 2, 2023

RELATED IDEAS

Provide AT-TLS Support for EKMF Web

A recent pen test by IBM XForce performed on our z/OS systems identified a vulnerability where the TCP port used by EKMF was not using https.  In attempting to remediate this condition it was discovered that secure https browser access to EKMF-Web is not supported if using AT-TLS.  It appears mTLS is supported for APIs but this is not suitable for key administrators or auditors accessing EKMF-Web via browser since the certificate used with mTLS causes a bypass of RACF authentication.  This deficiency has resulted in a Enterprise Risk Management finding within our company.

Idea priority Urgent
  • Guest
    Reply
    |     May 9, 2023

    Thanks for the quick reply and clarity. This can be closed.

  • Admin
    Søren Møller-Larsen
    Reply
    |     May 9, 2023

    Assess AT-TLS support with development team

  • Guest
    Reply
    |     May 4, 2023

    The use of (unsecured) HTTP to access EKMF Web is a configurable option.

    It is IBM's recommendation to configure EKMF Web to disable HTTP and only use HTTPS and use trusted CA-signed certificates to secure the connection.


    With native support for HTTPS in EKMF Web there is no need to use AT-TLS.


    The mTLS support is intended for use with the EKMF API and the client certificate replaces RACF credentials as the means of authentication.

    This removes the need to store (username and password) credentials with the calling application.


    If mTLS is used to log on to EKMF Web as a key administrators using a browser, EKMF Web performs authentication in the same way. RACF authenticaton isn't bypassed, it just relies on a certificate rather than RACF (username and password) credentials.

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