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Red Hat RHEL 6/7 RHSA-2018:0629-01 Important: JBoss XML Deserialization

red hat
Calendar Grey April 3, 2018
Dist Redhat Esm H88
Crucial safety patch for Red Hat JBoss Enterprise Application Platform 7.1 tackling vulnerabilities in XML deserialization.
An update is now available for Red Hat JBoss Enterprise Application Platform 7.1 for Red Hat Enterprise Linux 6 and Red Hat Enterprise Linux 7

Solution

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

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

The JBoss server process must be restarted for the update to take effect.

Summary

Red Hat JBoss Enterprise Application Platform is a platform for Java applications based on WildFly.
This asynchronous patch is a security update for slf4j package in Red Hat JBoss Enterprise Application Platform 7.1.
Security Fix(es):
* An XML deserialization vulnerability was discovered in slf4j's EventData which accepts xml serialized string and can lead to arbitrary code execution. (CVE-2018-8088)
The Simple Logging Facade for Java or (SLF4J) is a simple facade for various logging APIs allowing the end-user to plug in the desired implementation at deployment time. SLF4J also allows for a gradual migration path away from Jakarta Commons Logging (JCL).
Red Hat would like to thank Chris McCown for reporting CVE-2018-8088.

Topics%20covered

Topics Covered

security advisory Red Hat code execution important JBoss XML issue

References

https://access.redhat.com/security/cve/CVE-2018-8088 https://access.redhat.com/security/updates/classification#important https://docs.redhat.com/en/documentation/red_hat_jboss_enterprise_application_platform/8.1 https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=appplatform&downloadType=securityPatches&version=7.1

Package List


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2018:0629-01
Product: Red Hat JBoss Enterprise Application Platform
Advisory URL: https://access.redhat.com/errata/RHSA-2018:0629
Issue date: 2018-04-03

Topic

An update is now available for Red Hat JBoss Enterprise ApplicationPlatform 7.1 for Red Hat Enterprise Linux 6 and Red Hat Enterprise Linux 7.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory Red Hat code execution important JBoss XML issue

Relevant Releases Architectures

Bugs Fixed

1548909 - CVE-2018-8088 slf4j: Deserialisation vulnerability in EventData constructor can allow for arbitrary code execution

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