possible timing attack in ScramServer
CVE: CVE-2021-3642
Component: wildfly-elytron
CWE: CWE-203
Severity: Moderate
CVSS v3: 3.2/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Release date: 2021-06-30T00:00:00+00:00

A flaw was found in Wildfly Elytron where ScramServer may be susceptible to Timing Attack if enabled. The highest threat of this vulnerability is confidentiality.


Remediation:
Before applying this update, back up your existing Red Hat JBoss Enterprise Application Platform installation and deployed applications.

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258
Before applying this update, back up your existing Red Hat JBoss Enterprise Application Platform installation and deployed applications.

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258
Before applying this update, ensure all previously released errata relevant to your system have been applied.

For details about how to apply this update, see:

https://access.redhat.com/articles/11258
Before applying this update, back up your existing Red Hat JBoss Enterprise Application Platform installation and deployed applications.

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258
Before applying this update, ensure all previously released errata relevant to your system have been applied.

For details about how to apply this update, see:

https://access.redhat.com/articles/11258
Before applying this update, back up your existing Red Hat JBoss Enterprise Application Platform installation and deployed applications.

The References section of this erratum contains a download link (you must log in to download the update).
For on-premise installations, before applying the update, back up your existing installation, including all applications, configuration files, databases and database settings, and so on.

It is recommended to halt the server by stopping the JBoss Application Server process before installing this update; after installing the update, restart the server by starting the JBoss Application Server process.

The References section of this erratum contains a download link (you must log in to download the update).
To install this update, do the following:
 
1. Download the Data Grid 8.3.0 Server patch from the customer portal[²].
2. Back up your existing Data Grid installation. You should back up databases, configuration files, and so on.
3. Install the Data Grid 8.3.0 Server patch.
4. Restart Data Grid to ensure the changes take effect.

For more information about Data Grid 8.3.0, refer to the 8.3.0 Release Notes[³]
This advisory is informational only. There are no code changes associated with it. No action is required.
Before applying the update, back up your existing installation, including all applications, configuration files, databases and database settings, and so on.

Installation instructions are available from the Fuse 7.11.0 product documentation page:
https://access.redhat.com/documentation/en-us/red_hat_fuse/7.11/
Before applying this update, make sure all previously released errata
relevant to your system have been applied.

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258
Before applying this update, back up your existing Red Hat JBoss Enterprise Application Platform installation and deployed applications.

The References section of this erratum contains a download link (you must log in to download the update).
Before applying the update, back up your existing installation, including all applications, configuration files, databases and database settings, and so on.

The References section of this erratum contains a download link (you must log in to download the update).
Before applying the update, back up your existing installation, including all applications, configuration files, databases and database settings, and so on.

The References section of this erratum contains a download link for the update. You must be logged in to download the update.
Before applying the update, back up your existing installation, including all applications, configuration files, databases and database settings, and so on.

The References section of this erratum contains a download link for the update. You must be logged in to download the update.