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Red Hat Product Errata RHSA-2018:0005 - Security Advisory
Issued:
2018-01-03
Updated:
2018-01-03

RHSA-2018:0005 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Important: eap7-jboss-ec2-eap security update

Type/Severity

Security Advisory: Important

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An update for eap7-jboss-ec2-eap is now available for Red Hat JBoss Enterprise Application Platform 7.0 for Red Hat Enterprise Linux 6 and Red Hat JBoss Enterprise Application Platform 7.0 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.

Description

The eap7-jboss-ec2-eap packages provide scripts for Red Hat JBoss Enterprise Application Platform running on the Amazon Web Services (AWS) Elastic Compute Cloud (EC2).

With this update, the eap7-jboss-ec2-eap package has been updated to ensure compatibility with Red Hat JBoss Enterprise Application Platform 7.0.9.

Refer to the JBoss Enterprise Application Platform 7.0.9 Release Notes, linked to in the References section, for information on the most significant bug fixes and enhancements included in this release.

Security Fix(es):

  • It was found that Apache Lucene would accept an object from an unauthenticated user that could be manipulated through subsequent post requests. An attacker could use this flaw to assemble an object that could permit execution of arbitrary code if the server enabled Apache Solr's Config API. (CVE-2017-12629)
  • It was discovered that the jboss init script performed unsafe file handling which could result in local privilege escalation. (CVE-2017-12189)
  • It was found that GZIPInterceptor is enabled when not necessarily required in RESTEasy. An attacker could use this flaw to launch a Denial of Service attack. (CVE-2016-6346)
  • It was found that the fix for CVE-2017-2666 was incomplete and invalid characters are still allowed in the query string and path parameters. This could be exploited, in conjunction with a proxy that also permitted the invalid characters but with a different interpretation, to inject data into the HTTP response. By manipulating the HTTP response the attacker could poison a web-cache, perform an XSS attack, or obtain sensitive information from requests other than their own. (CVE-2017-7559)
  • It was discovered that the CORS Filter did not add an HTTP Vary header indicating that the response varies depending on Origin. This permitted client and server side cache poisoning in some circumstances. (CVE-2017-7561)
  • It was found that properties based files of the management and the application realm configuration that contain user to role mapping are world readable allowing access to users and roles information to all the users logged in to the system. (CVE-2017-12167)
  • It was discovered that Undertow processes http request headers with unusual whitespaces which can cause possible http request smuggling. (CVE-2017-12165)

Red Hat would like to thank Mikhail Egorov (Odin) for reporting CVE-2016-6346. The CVE-2017-7559 and CVE-2017-12165 issues were discovered by Stuart Douglas (Red Hat); the CVE-2017-7561 issue was discovered by Jason Shepherd (Red Hat Product Security); and the CVE-2017-12167 issue was discovered by Brian Stansberry (Red Hat) and Jeremy Choi (Red Hat).

Solution

Before applying this update, back up your existing Red Hat JBoss Enterprise Application Platform installation and deployed applications.

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

  • JBoss Enterprise Application Platform 7.0 for RHEL 7 x86_64
  • JBoss Enterprise Application Platform 7.0 for RHEL 6 x86_64
  • JBoss Enterprise Application Platform 7.0 for RHEL 6 i386

Fixes

  • BZ - 1372120 - CVE-2016-6346 RESTEasy: Abuse of GZIPInterceptor in RESTEasy can lead to denial of service attack
  • BZ - 1481665 - CVE-2017-7559 undertow: HTTP Request smuggling vulnerability (incomplete fix of CVE-2017-2666)
  • BZ - 1483823 - CVE-2017-7561 resteasy: Vary header not added by CORS filter leading to cache poisoning
  • BZ - 1490301 - CVE-2017-12165 undertow: improper whitespace parsing leading to potential HTTP request smuggling
  • BZ - 1491612 - CVE-2017-12167 EAP-7: Wrong privileges on multiple property files
  • BZ - 1499631 - CVE-2017-12189 jboss: unsafe chown of server.log in jboss init script allows privilege escalation (Incomplete fix for CVE-2016-8656)
  • BZ - 1501529 - CVE-2017-12629 Solr: Code execution via entity expansion

CVEs

  • CVE-2016-6346
  • CVE-2017-7559
  • CVE-2017-7561
  • CVE-2017-12165
  • CVE-2017-12167
  • CVE-2017-12189
  • CVE-2017-12629

References

  • https://access.redhat.com/security/updates/classification/#important
  • https://access.redhat.com/documentation/en/red-hat-jboss-enterprise-application-platform/version-7.0/
  • https://access.redhat.com/documentation/en/red-hat-jboss-enterprise-application-platform/version-7.0/installation-guide/
  • https://access.redhat.com/documentation/en/jboss-enterprise-application-platform/
Note: More recent versions of these packages may be available. Click a package name for more details.

JBoss Enterprise Application Platform 7.0 for RHEL 7

SRPM
eap7-jboss-ec2-eap-7.0.9-2.GA_redhat_2.ep7.el7.src.rpm SHA-256: 604016c80beeb65d20396cb1419023eeb55f76eeff46080359a70939417dbfff
x86_64
eap7-jboss-ec2-eap-7.0.9-2.GA_redhat_2.ep7.el7.noarch.rpm SHA-256: 144911e04eaf6fb0838fba8d42902f9acea5bea1142e9d7dbf94d29ed9677226
eap7-jboss-ec2-eap-samples-7.0.9-2.GA_redhat_2.ep7.el7.noarch.rpm SHA-256: 9919f93c83d9312fc4f3d917aed9c5b4050f0dc69e3e544d9b88f842d731e404

JBoss Enterprise Application Platform 7.0 for RHEL 6

SRPM
eap7-jboss-ec2-eap-7.0.9-2.GA_redhat_2.ep7.el6.src.rpm SHA-256: ed4bf89d5ec2b2f5d1ac5b72f1e9a3b06cdf3b50df616c530dd4aafcbf3e3eb1
x86_64
eap7-jboss-ec2-eap-7.0.9-2.GA_redhat_2.ep7.el6.noarch.rpm SHA-256: 1e0c57c435d0ee72a93f772d2871f61b5c6b88d0925a8cd2eace3e66aa047f97
eap7-jboss-ec2-eap-samples-7.0.9-2.GA_redhat_2.ep7.el6.noarch.rpm SHA-256: 967e43a26d5fc51c90fc5f86d7f042b5fc4b7668121840d9ee701277f12a3954
i386
eap7-jboss-ec2-eap-7.0.9-2.GA_redhat_2.ep7.el6.noarch.rpm SHA-256: 1e0c57c435d0ee72a93f772d2871f61b5c6b88d0925a8cd2eace3e66aa047f97
eap7-jboss-ec2-eap-samples-7.0.9-2.GA_redhat_2.ep7.el6.noarch.rpm SHA-256: 967e43a26d5fc51c90fc5f86d7f042b5fc4b7668121840d9ee701277f12a3954

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

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