Apache Tomcat AJP File Read/Inclusion Vulnerability
CVE: CVE-2020-1938
Component: tomcat
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: 2020-02-20T00:00:00+00:00

CVE-2020-1938 is a file read/inclusion vulnerability in the AJP connector in Apache Tomcat. This is enabled by default with a default configuration port of 8009. 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 (RCE).

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-2020-1745

Remediation:
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

You must restart the JBoss server process for the update to take effect.
Before applying this update, ensure all previously released errata relevant to your system have been applied. The JBoss server process must be restarted 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

You must restart the JBoss server process for the update to take effect.
Before applying the update, back up your existing Red Hat JBoss Web Server installation (including all applications and configuration files).

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

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 on how to apply this update, refer to:

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 on how to apply this update, refer to:

https://access.redhat.com/articles/11258
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 7.9.0 product
documentation page:
https://access.redhat.com/documentation/en-us/red_hat_fuse/7.9/
Before applying this update, back up your existing Red Hat JBoss Enterprise Application Platform installation and deployed applications. The JBoss server process must be restarted for the update to take effect.

The References section of this erratum contains a download link (you must log in to download the update).
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 the update, back up your existing Red Hat JBoss Web Server installation (including all applications and configuration files).

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).
Please refer to the Red Hat knowledgebase article: https://access.redhat.com/solutions/4851251