Moderate: Red Hat JBoss Web Server 3.0.2 security update


Moderate: Red Hat JBoss Web Server 3.0.2 security update


Security Advisory: Moderate


Updated Red Hat JBoss Web Server 3.0.2 packages are now available for Red
Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having Moderate security
impact. Common Vulnerability Scoring System (CVSS) base scores, which give
detailed severity ratings, are available for each vulnerability from the
CVE links in the References section.


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.

It was found that Tomcat would keep connections open after processing
requests with a large enough request body. A remote attacker could
potentially use this flaw to exhaust the pool of available connections
and prevent further, legitimate connections to the Tomcat server.

A flaw was found in the way httpd handled HTTP Trailer headers when
processing requests using chunked encoding. A malicious client could
use Trailer headers to set additional HTTP headers after header
processing was performed by other modules. This could, for example,
lead to a bypass of header restrictions defined with mod_headers.

Multiple flaws were found in the way httpd parsed HTTP requests and
responses using chunked transfer encoding. A remote attacker could
use these flaws to create a specially crafted request, which httpd
would decode differently from an HTTP proxy software in front of it,
possibly leading to HTTP request smuggling attacks. (CVE-2015-3183)

  • This enhancement update adds the Red Hat JBoss Web Server 3.0.2
    packages to Red Hat Enterprise Linux 7. These packages provide a
    number of enhancements over the previous version of Red Hat JBoss Web
    Server. (JIRA#JWS-229)

Users of Red Hat JBoss Web Server are advised to upgrade to these
updated packages, which add this enhancement.


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:

Affected Products

  • JBoss Enterprise Web Server 3 for RHEL 7 x86_64


  • BZ - 1082903 - CVE-2013-5704 httpd: bypass of mod_headers rules via chunked requests
  • BZ - 1191200 - CVE-2014-0230 tomcat: non-persistent DoS attack by feeding data by aborting an upload
  • BZ - 1243887 - CVE-2015-3183 httpd: HTTP request smuggling attack against chunked request parser
  • BZ - 1263884 - JWS3.0.2 tracker for RHEL7