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AUSCERT External Security Bulletin Redistribution
ESB-2021.0926
tomcat security update
17 March 2021
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: tomcat
Publisher: Red Hat
Operating System: Red Hat
Impact/Access: Denial of Service -- Remote with User Interaction
Unauthorised Access -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2020-1935 CVE-2019-17563
Reference: ESB-2020.3990
ESB-2020.2670
Original Bulletin:
https://access.redhat.com/errata/RHSA-2021:0882
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Red Hat Security Advisory
Synopsis: Low: tomcat security update
Advisory ID: RHSA-2021:0882-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:0882
Issue date: 2021-03-16
CVE Names: CVE-2019-17563 CVE-2020-1935
=====================================================================
1. Summary:
An update for tomcat is now available for Red Hat Enterprise Linux 7.6
Extended Update Support.
Red Hat Product Security has rated this update as having a security impact
of Low. 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 ComputeNode EUS (v. 7.6) - noarch
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6) - noarch
Red Hat Enterprise Linux Server EUS (v. 7.6) - noarch
Red Hat Enterprise Linux Server Optional EUS (v. 7.6) - noarch
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) - noarch
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server 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: Session fixation when using FORM authentication (CVE-2019-17563)
* tomcat: Mishandling of Transfer-Encoding header allows for HTTP request
smuggling (CVE-2020-1935)
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/):
1785711 - CVE-2019-17563 tomcat: Session fixation when using FORM authentication
1806835 - CVE-2020-1935 tomcat: Mishandling of Transfer-Encoding header allows for HTTP request smuggling
6. Package List:
Red Hat Enterprise Linux ComputeNode EUS (v. 7.6):
Source:
tomcat-7.0.76-11.el7_6.src.rpm
noarch:
tomcat-servlet-3.0-api-7.0.76-11.el7_6.noarch.rpm
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6):
noarch:
tomcat-7.0.76-11.el7_6.noarch.rpm
tomcat-admin-webapps-7.0.76-11.el7_6.noarch.rpm
tomcat-docs-webapp-7.0.76-11.el7_6.noarch.rpm
tomcat-el-2.2-api-7.0.76-11.el7_6.noarch.rpm
tomcat-javadoc-7.0.76-11.el7_6.noarch.rpm
tomcat-jsp-2.2-api-7.0.76-11.el7_6.noarch.rpm
tomcat-jsvc-7.0.76-11.el7_6.noarch.rpm
tomcat-lib-7.0.76-11.el7_6.noarch.rpm
tomcat-webapps-7.0.76-11.el7_6.noarch.rpm
Red Hat Enterprise Linux Server EUS (v. 7.6):
Source:
tomcat-7.0.76-11.el7_6.src.rpm
noarch:
tomcat-7.0.76-11.el7_6.noarch.rpm
tomcat-admin-webapps-7.0.76-11.el7_6.noarch.rpm
tomcat-el-2.2-api-7.0.76-11.el7_6.noarch.rpm
tomcat-jsp-2.2-api-7.0.76-11.el7_6.noarch.rpm
tomcat-lib-7.0.76-11.el7_6.noarch.rpm
tomcat-servlet-3.0-api-7.0.76-11.el7_6.noarch.rpm
tomcat-webapps-7.0.76-11.el7_6.noarch.rpm
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7):
Source:
tomcat-7.0.76-11.el7_6.src.rpm
noarch:
tomcat-7.0.76-11.el7_6.noarch.rpm
tomcat-admin-webapps-7.0.76-11.el7_6.noarch.rpm
tomcat-el-2.2-api-7.0.76-11.el7_6.noarch.rpm
tomcat-jsp-2.2-api-7.0.76-11.el7_6.noarch.rpm
tomcat-lib-7.0.76-11.el7_6.noarch.rpm
tomcat-servlet-3.0-api-7.0.76-11.el7_6.noarch.rpm
tomcat-webapps-7.0.76-11.el7_6.noarch.rpm
Red Hat Enterprise Linux Server Optional EUS (v. 7.6):
noarch:
tomcat-7.0.76-11.el7_6.noarch.rpm
tomcat-admin-webapps-7.0.76-11.el7_6.noarch.rpm
tomcat-docs-webapp-7.0.76-11.el7_6.noarch.rpm
tomcat-el-2.2-api-7.0.76-11.el7_6.noarch.rpm
tomcat-javadoc-7.0.76-11.el7_6.noarch.rpm
tomcat-jsp-2.2-api-7.0.76-11.el7_6.noarch.rpm
tomcat-jsvc-7.0.76-11.el7_6.noarch.rpm
tomcat-lib-7.0.76-11.el7_6.noarch.rpm
tomcat-webapps-7.0.76-11.el7_6.noarch.rpm
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7):
noarch:
tomcat-7.0.76-11.el7_6.noarch.rpm
tomcat-admin-webapps-7.0.76-11.el7_6.noarch.rpm
tomcat-docs-webapp-7.0.76-11.el7_6.noarch.rpm
tomcat-el-2.2-api-7.0.76-11.el7_6.noarch.rpm
tomcat-javadoc-7.0.76-11.el7_6.noarch.rpm
tomcat-jsp-2.2-api-7.0.76-11.el7_6.noarch.rpm
tomcat-jsvc-7.0.76-11.el7_6.noarch.rpm
tomcat-lib-7.0.76-11.el7_6.noarch.rpm
tomcat-webapps-7.0.76-11.el7_6.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-2019-17563
https://access.redhat.com/security/cve/CVE-2020-1935
https://access.redhat.com/security/updates/classification/#low
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2021 Red Hat, Inc.
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