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Sicherheit: Zwei Probleme in tomcat
Aktuelle Meldungen Distributionen
Name: Zwei Probleme in tomcat
ID: RHSA-2020:3305-01
Distribution: Red Hat
Plattformen: Red Hat JBoss Web Server
Datum: Di, 4. August 2020, 23:30
Referenzen: https://access.redhat.com/security/cve/CVE-2020-13935
https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=webserver&downloadType=securityPatches&version=3.1
https://access.redhat.com/security/cve/CVE-2020-1935
Applikationen: Apache Tomcat

Originalnachricht

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=====================================================================
Red Hat Security Advisory

Synopsis: Important: Red Hat JBoss Web Server 3.1 Service Pack 10
security update
Advisory ID: RHSA-2020:3305-01
Product: Red Hat JBoss Web Server
Advisory URL: https://access.redhat.com/errata/RHSA-2020:3305
Issue date: 2020-08-04
CVE Names: CVE-2020-1935 CVE-2020-13935
=====================================================================

1. Summary:

An update is now available for Red Hat JBoss Web Server 3.1, for RHEL 6,
RHEL 7 and Windows.

Red Hat Product Security has rated this release 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. Description:

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 10 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: multiple requests with invalid payload length in a WebSocket
frame could lead to DoS (CVE-2020-13935)
* 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.

3. Solution:

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 for the
update. You must be logged in to download the update.

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

1806835 - CVE-2020-1935 tomcat: Mishandling of Transfer-Encoding header allows
for HTTP request smuggling
1857024 - CVE-2020-13935 tomcat: multiple requests with invalid payload length
in a WebSocket frame could lead to DoS

5. References:

https://access.redhat.com/security/cve/CVE-2020-1935
https://access.redhat.com/security/cve/CVE-2020-13935
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=webserver&downloadType=securityPatches&version=3.1
https://access.redhat.com/documentation/en-us/red_hat_jboss_web_server/3.1/

6. 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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