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Red Hat Product Errata RHSA-2017:1802 - Security Advisory
Issued:
2017-07-25
Updated:
2017-07-25

RHSA-2017:1802 - Security Advisory

  • Overview

Synopsis

Important: Red Hat JBoss Web Server Service Pack 1 security update

Type/Severity

Security Advisory: Important

Topic

An update is now available for Red Hat JBoss Web Server 3.1.

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.

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 1 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):

  • It was found that when using remote logging with log4j socket server the log4j server would deserialize any log event received via TCP or UDP. An attacker could use this flaw to send a specially crafted log event that, during deserialization, would execute arbitrary code in the context of the logger application. (CVE-2017-5645)
  • A vulnerability was discovered in tomcat's handling of pipelined requests when "Sendfile" was used. If sendfile processing completed quickly, it was possible for the Processor to be added to the processor cache twice. This could lead to invalid responses or information disclosure. (CVE-2017-5647)
  • A vulnerability was discovered in the error page mechanism in Tomcat's DefaultServlet implementation. A crafted HTTP request could cause undesired side effects, possibly including the removal or replacement of the custom error page. (CVE-2017-5664)
  • A vulnerability was discovered in tomcat. When running an untrusted application under a SecurityManager it was possible, under some circumstances, for that application to retain references to the request or response objects and thereby access and/or modify information associated with another web application. (CVE-2017-5648)

Solution

Before applying the update, back up your existing Red Hat JBoss Web Server installation (including all applications and configuration files).

The References section of this erratum contains a download link (you must log in to download the update).

Affected Products

  • JBoss Enterprise Web Server Text-Only Advisories x86_64

Fixes

  • BZ - 1441205 - CVE-2017-5647 tomcat: Incorrect handling of pipelined requests when send file was used
  • BZ - 1441223 - CVE-2017-5648 tomcat: Calls to application listeners did not use the appropriate facade object
  • BZ - 1443635 - CVE-2017-5645 log4j: Socket receiver deserialization vulnerability
  • BZ - 1459158 - CVE-2017-5664 tomcat: Security constrained bypass in error page mechanism

CVEs

  • CVE-2016-6304
  • CVE-2016-7056
  • CVE-2016-8610
  • CVE-2017-5645
  • CVE-2017-5647
  • CVE-2017-5648
  • CVE-2017-5664
  • CVE-2017-7674
  • CVE-2019-17571

References

  • 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/html-single/3.1_Release_Notes/index.html
  • https://access.redhat.com/security/vulnerabilities/httpoxy
  • https://access.redhat.com/solutions/2435491

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

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