Vulnerabilities

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Red Hat Security Advisory

Synopsis: Important: tomcat security update
Advisory ID: RHSA-2020:2530-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2530
Issue date: 2020-06-11
CVE Names: CVE-2020-9484
====================================================================
1. Summary:

An update for tomcat is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Client (v. 7) - noarch
Red Hat Enterprise Linux Client Optional (v. 7) - noarch
Red Hat Enterprise Linux ComputeNode (v. 7) - noarch
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - noarch
Red Hat Enterprise Linux Server (v. 7) - noarch
Red Hat Enterprise Linux Server Optional (v. 7) - noarch
Red Hat Enterprise Linux Workstation (v. 7) - noarch
Red Hat Enterprise Linux Workstation Optional (v. 7) - noarch

3. Description:

Apache Tomcat is a servlet container for the Java Servlet and JavaServer
Pages (JSP) technologies.

Security Fix(es):

* tomcat: deserialization flaw in session persistence storage leading to
RCE (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.

4. Solution:

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

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

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

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
tomcat-7.0.76-12.el7_8.src.rpm

noarch:
tomcat-servlet-3.0-api-7.0.76-12.el7_8.noarch.rpm

Red Hat Enterprise Linux Client Optional (v. 7):

noarch:
tomcat-7.0.76-12.el7_8.noarch.rpm
tomcat-admin-webapps-7.0.76-12.el7_8.noarch.rpm
tomcat-docs-webapp-7.0.76-12.el7_8.noarch.rpm
tomcat-el-2.2-api-7.0.76-12.el7_8.noarch.rpm
tomcat-javadoc-7.0.76-12.el7_8.noarch.rpm
tomcat-jsp-2.2-api-7.0.76-12.el7_8.noarch.rpm
tomcat-jsvc-7.0.76-12.el7_8.noarch.rpm
tomcat-lib-7.0.76-12.el7_8.noarch.rpm
tomcat-webapps-7.0.76-12.el7_8.noarch.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
tomcat-7.0.76-12.el7_8.src.rpm

noarch:
tomcat-servlet-3.0-api-7.0.76-12.el7_8.noarch.rpm

Red Hat Enterprise Linux ComputeNode Optional (v. 7):

noarch:
tomcat-7.0.76-12.el7_8.noarch.rpm
tomcat-admin-webapps-7.0.76-12.el7_8.noarch.rpm
tomcat-docs-webapp-7.0.76-12.el7_8.noarch.rpm
tomcat-el-2.2-api-7.0.76-12.el7_8.noarch.rpm
tomcat-javadoc-7.0.76-12.el7_8.noarch.rpm
tomcat-jsp-2.2-api-7.0.76-12.el7_8.noarch.rpm
tomcat-jsvc-7.0.76-12.el7_8.noarch.rpm
tomcat-lib-7.0.76-12.el7_8.noarch.rpm
tomcat-webapps-7.0.76-12.el7_8.noarch.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
tomcat-7.0.76-12.el7_8.src.rpm

noarch:
tomcat-7.0.76-12.el7_8.noarch.rpm
tomcat-admin-webapps-7.0.76-12.el7_8.noarch.rpm
tomcat-el-2.2-api-7.0.76-12.el7_8.noarch.rpm
tomcat-jsp-2.2-api-7.0.76-12.el7_8.noarch.rpm
tomcat-lib-7.0.76-12.el7_8.noarch.rpm
tomcat-servlet-3.0-api-7.0.76-12.el7_8.noarch.rpm
tomcat-webapps-7.0.76-12.el7_8.noarch.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

noarch:
tomcat-7.0.76-12.el7_8.noarch.rpm
tomcat-admin-webapps-7.0.76-12.el7_8.noarch.rpm
tomcat-docs-webapp-7.0.76-12.el7_8.noarch.rpm
tomcat-el-2.2-api-7.0.76-12.el7_8.noarch.rpm
tomcat-javadoc-7.0.76-12.el7_8.noarch.rpm
tomcat-jsp-2.2-api-7.0.76-12.el7_8.noarch.rpm
tomcat-jsvc-7.0.76-12.el7_8.noarch.rpm
tomcat-lib-7.0.76-12.el7_8.noarch.rpm
tomcat-webapps-7.0.76-12.el7_8.noarch.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
tomcat-7.0.76-12.el7_8.src.rpm

noarch:
tomcat-7.0.76-12.el7_8.noarch.rpm
tomcat-admin-webapps-7.0.76-12.el7_8.noarch.rpm
tomcat-el-2.2-api-7.0.76-12.el7_8.noarch.rpm
tomcat-jsp-2.2-api-7.0.76-12.el7_8.noarch.rpm
tomcat-lib-7.0.76-12.el7_8.noarch.rpm
tomcat-servlet-3.0-api-7.0.76-12.el7_8.noarch.rpm
tomcat-webapps-7.0.76-12.el7_8.noarch.rpm

Red Hat Enterprise Linux Workstation Optional (v. 7):

noarch:
tomcat-docs-webapp-7.0.76-12.el7_8.noarch.rpm
tomcat-javadoc-7.0.76-12.el7_8.noarch.rpm
tomcat-jsvc-7.0.76-12.el7_8.noarch.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

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

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2020 Red Hat, Inc.
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