AJP File Read/Inclusion Vulnerability
CVE: CVE-2020-1745
Component: undertow
CWE: CWE-285
Severity: Important
CVSS v3: 7.5/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
Release date: 2020-02-26T00:00:00+00:00

A file inclusion vulnerability was found in the AJP connector enabled with a default AJP configuration port of 8009 in Undertow version 2.0.29.Final and before. A remote, unauthenticated attacker could exploit this vulnerability to read web application files from a vulnerable server. In instances where the vulnerable server allows file uploads, an attacker could upload malicious JavaServer Pages (JSP) code within a variety of file types and trigger this vulnerability to gain remote code execution.

Statement: Please refer to the Red Hat knowledgebase article: https://access.redhat.com/solutions/4851251 and CVE page https://access.redhat.com/security/cve/cve-2020-1938

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

For details about how to apply this update, which includes the changes described in this advisory, 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.

You must restart the JBoss server process for the update to take effect.

For details about how to apply this update, see:
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.

You must restart the JBoss server process for the update to take effect.

For details about how to apply this update, see:
https://access.redhat.com/articles/11258
Before applying this update, ensure all previously released errata relevant to your system have been applied. Also, back up your existing installation, including all applications, configuration files, databases and database settings. 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.

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, make sure 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, 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.

You must restart the JBoss server process for the update to take effect.

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 7.3.7 server patch from the customer portal. See the download link in the References section.
2. Back up your existing Data Grid installation. You should back up databases, configuration files, and so on.
3. Install the Data Grid 7.3.7 server patch. Refer to the 7.3 Release Notes for patching instructions.
4. Restart Data Grid to ensure the changes take effect.
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 7.7.0 product documentation page:
https://access.redhat.com/documentation/en-us/red_hat_fuse/7.7/
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).

The JBoss server process must be restarted for the update to take effect.
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).

You must restart the JBoss server process for the update to take effect.
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).

You must restart the JBoss server process for the update to take effect.
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 (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.
Please refer to the Red Hat knowledgebase article: https://access.redhat.com/solutions/4851251