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RedHat: RHSA-2020-2483-01 Important: JBoss Web Server RCE Risk

red hat
Calendar Grey June 10, 2020
Dist Redhat Esm H88
A new update for Red Hat JBoss Web Server 3.1 addresses a critical remote code execution vulnerability, enhancing security and reducing associated risks.
An update is now available for Red Hat JBoss Web Server 3.1 for RHEL 6 and RHEL 7

Solution

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

Summary

Red Hat JBoss Web Server is a fully integrated and certified set of components for hosting Java web applications. It is comprised of the Apache HTTP Server, the Apache Tomcat Servlet container, Apache Tomcat Connector (mod_jk), JBoss HTTP Connector (mod_cluster), Hibernate, and the Tomcat Native library.
This release of Red Hat JBoss Web Server 3.1 Service Pack 9 serves as a replacement for Red Hat JBoss Web Server 3.1, and includes bug fixes, which are documented in the Release Notes document linked to in the References.
Security Fix(es):
* tomcat: Apache Tomcat Remote Code Execution via session persistence (CVE-2020-9484)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Topics%20covered

Topics Covered

security advisory remote code execution important rhel red hat jboss session persistence java web applications

References

https://access.redhat.com/security/cve/CVE-2020-9484 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat JBoss Web Server 3.1 for RHEL 6:
Source: tomcat-native-1.2.23-22.redhat_22.ep7.el6.src.rpm tomcat7-7.0.70-40.ep7.el6.src.rpm tomcat8-8.0.36-44.ep7.el6.src.rpm
i386: tomcat-native-1.2.23-22.redhat_22.ep7.el6.i686.rpm tomcat-native-debuginfo-1.2.23-22.redhat_22.ep7.el6.i686.rpm
noarch: tomcat7-7.0.70-40.ep7.el6.noarch.rpm tomcat7-admin-webapps-7.0.70-40.ep7.el6.noarch.rpm tomcat7-docs-webapp-7.0.70-40.ep7.el6.noarch.rpm tomcat7-el-2.2-api-7.0.70-40.ep7.el6.noarch.rpm tomcat7-javadoc-7.0.70-40.ep7.el6.noarch.rpm tomcat7-jsp-2.2-api-7.0.70-40.ep7.el6.noarch.rpm tomcat7-jsvc-7.0.70-40.ep7.el6.noarch.rpm tomcat7-lib-7.0.70-40.ep7.el6.noarch.rpm tomcat7-log4j-7.0.70-40.ep7.el6.noarch.rpm tomcat7-selinux-7.0.70-40.ep7.el6.noarch.rpm tomcat7-servlet-3.0-api-7.0.70-40.ep7.el6.noarch.rpm tomcat7-webapps-7.0.70-40.ep7.el6.noarch.rpm tomcat8-8.0.36-44.ep7.el6.noarch.rpm tomcat8-admin-webapps-8.0.36-44.ep7.el6.noarch.rpm tomcat8-docs-webapp-8.0.36-44.ep7.el6.noarch.rpm tomcat8-el-2.2-api-8.0.36-44.ep7.el6.noarch.rpm tomcat8-javadoc-8.0.36-44.ep7.el6.noarch.rpm tomcat8-jsp-2.3-api-8.0.36-44.ep7.el6.noarch.rpm tomcat8-jsvc-8.0.36-44.ep7.el6.noarch.rpm tomcat8-lib-8.0.36-44.ep7.el6.noarch.rpm tomcat8-log4j-8.0.36-44.ep7.el6.noarch.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:2483-01
Product: Red Hat JBoss Web Server
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2483
Issue date: 2020-06-10

Topic

An update is now available for Red Hat JBoss Web Server 3.1 for RHEL 6 andRHEL 7.Red Hat Product Security has rated this release as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory remote code execution important rhel red hat jboss session persistence java web applications

Relevant Releases Architectures

Red Hat JBoss Web Server 3.1 for RHEL 6 - i386, noarch, x86_64

Red Hat JBoss Web Server 3.1 for RHEL 7 - noarch, x86_64

Bugs Fixed

1838332 - CVE-2020-9484 tomcat: deserialization flaw in session persistence storage leading to RCE

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