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AUSCERT External Security Bulletin Redistribution
ESB-2020.3374
tomcat security and bug fix update
30 September 2020
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: tomcat
Publisher: Red Hat
Operating System: Red Hat
Impact/Access: Denial of Service -- Remote/Unauthenticated
Access Confidential Data -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2020-13935 CVE-2019-17563
Reference: ESB-2020.2409
ESB-2019.4714
Original Bulletin:
https://access.redhat.com/errata/RHSA-2020:4004
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Red Hat Security Advisory
Synopsis: Important: tomcat security and bug fix update
Advisory ID: RHSA-2020:4004-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:4004
Issue date: 2020-09-29
CVE Names: CVE-2019-17563 CVE-2020-13935
=====================================================================
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: multiple requests with invalid payload length in a WebSocket
frame could lead to DoS (CVE-2020-13935)
* tomcat: session fixation when using FORM authentication (CVE-2019-17563)
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.
Additional Changes:
For detailed information on changes in this release, see the Red Hat
Enterprise Linux 7.9 Release Notes linked from 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/):
1523112 - tomcat systemd does not cope with - in service names.
1629162 - tomcat-dbcp.jar is missing from tomcat package
1785711 - CVE-2019-17563 tomcat: session fixation when using FORM authentication
1795645 - connection leak with StatementCache, SlowQueryReport or StatementDecoratorInterceptor
1822453 - Tomcat parses a request having an absolute URI path incorrectly and returns 404 Not Found after BZ#1455483
1831127 - Failed to install ipa-server
1857024 - CVE-2020-13935 tomcat: multiple requests with invalid payload length in a WebSocket frame could lead to DoS
6. Package List:
Red Hat Enterprise Linux Client (v. 7):
Source:
tomcat-7.0.76-15.el7.src.rpm
noarch:
tomcat-servlet-3.0-api-7.0.76-15.el7.noarch.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
noarch:
tomcat-7.0.76-15.el7.noarch.rpm
tomcat-admin-webapps-7.0.76-15.el7.noarch.rpm
tomcat-docs-webapp-7.0.76-15.el7.noarch.rpm
tomcat-el-2.2-api-7.0.76-15.el7.noarch.rpm
tomcat-javadoc-7.0.76-15.el7.noarch.rpm
tomcat-jsp-2.2-api-7.0.76-15.el7.noarch.rpm
tomcat-jsvc-7.0.76-15.el7.noarch.rpm
tomcat-lib-7.0.76-15.el7.noarch.rpm
tomcat-webapps-7.0.76-15.el7.noarch.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source:
tomcat-7.0.76-15.el7.src.rpm
noarch:
tomcat-servlet-3.0-api-7.0.76-15.el7.noarch.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
noarch:
tomcat-7.0.76-15.el7.noarch.rpm
tomcat-admin-webapps-7.0.76-15.el7.noarch.rpm
tomcat-docs-webapp-7.0.76-15.el7.noarch.rpm
tomcat-el-2.2-api-7.0.76-15.el7.noarch.rpm
tomcat-javadoc-7.0.76-15.el7.noarch.rpm
tomcat-jsp-2.2-api-7.0.76-15.el7.noarch.rpm
tomcat-jsvc-7.0.76-15.el7.noarch.rpm
tomcat-lib-7.0.76-15.el7.noarch.rpm
tomcat-webapps-7.0.76-15.el7.noarch.rpm
Red Hat Enterprise Linux Server (v. 7):
Source:
tomcat-7.0.76-15.el7.src.rpm
noarch:
tomcat-7.0.76-15.el7.noarch.rpm
tomcat-admin-webapps-7.0.76-15.el7.noarch.rpm
tomcat-el-2.2-api-7.0.76-15.el7.noarch.rpm
tomcat-jsp-2.2-api-7.0.76-15.el7.noarch.rpm
tomcat-lib-7.0.76-15.el7.noarch.rpm
tomcat-servlet-3.0-api-7.0.76-15.el7.noarch.rpm
tomcat-webapps-7.0.76-15.el7.noarch.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
noarch:
tomcat-7.0.76-15.el7.noarch.rpm
tomcat-admin-webapps-7.0.76-15.el7.noarch.rpm
tomcat-docs-webapp-7.0.76-15.el7.noarch.rpm
tomcat-el-2.2-api-7.0.76-15.el7.noarch.rpm
tomcat-javadoc-7.0.76-15.el7.noarch.rpm
tomcat-jsp-2.2-api-7.0.76-15.el7.noarch.rpm
tomcat-jsvc-7.0.76-15.el7.noarch.rpm
tomcat-lib-7.0.76-15.el7.noarch.rpm
tomcat-webapps-7.0.76-15.el7.noarch.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source:
tomcat-7.0.76-15.el7.src.rpm
noarch:
tomcat-7.0.76-15.el7.noarch.rpm
tomcat-admin-webapps-7.0.76-15.el7.noarch.rpm
tomcat-el-2.2-api-7.0.76-15.el7.noarch.rpm
tomcat-jsp-2.2-api-7.0.76-15.el7.noarch.rpm
tomcat-lib-7.0.76-15.el7.noarch.rpm
tomcat-servlet-3.0-api-7.0.76-15.el7.noarch.rpm
tomcat-webapps-7.0.76-15.el7.noarch.rpm
Red Hat Enterprise Linux Workstation Optional (v. 7):
noarch:
tomcat-docs-webapp-7.0.76-15.el7.noarch.rpm
tomcat-javadoc-7.0.76-15.el7.noarch.rpm
tomcat-jsvc-7.0.76-15.el7.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-2020-13935
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.9_release_notes/index
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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