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Red Hat: RHSA-2018-0627-01 Important: XML Deserialization Threat

red hat
Calendar Grey April 3, 2018
Dist Redhat Esm H88
Critical security patch for Red Hat JBoss EAP targeting vulnerabilities in XML deserialization. Take action to reduce potential threats.
An update is now available for Red Hat JBoss Enterprise Application Platform 6.4 for Red Hat Enterprise Linux 5, 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.

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

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

Summary

Red Hat JBoss Enterprise Application Platform is a platform for Java applications based on the JBoss Application Server.
This asynchronous patch is a security update for slf4j package in Red Hat JBoss Enterprise Application Platform 6.4.
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 important security impact red hat jboss xml deserialization

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

Package List

Red Hat JBoss Enterprise Application Platform 6.4 for RHEL 5 Server:
Source: slf4j-eap6-1.7.2-14.redhat_4.1.ep6.el5.src.rpm
noarch: slf4j-1.7.2-14.redhat_4.1.ep6.el5.noarch.rpm slf4j-eap6-1.7.2-14.redhat_4.1.ep6.el5.noarch.rpm
Red Hat JBoss Enterprise Application Platform 6.4 for RHEL 6 Server:
Source: slf4j-eap6-1.7.2-14.redhat_4.1.ep6.el6.src.rpm
noarch: slf4j-eap6-1.7.2-14.redhat_4.1.ep6.el6.noarch.rpm
Red Hat JBoss Enterprise Application Platform 6.4 for RHEL 7 Server:
Source: slf4j-eap6-1.7.2-14.redhat_4.1.ep6.el7.src.rpm
noarch: slf4j-eap6-1.7.2-14.redhat_4.1.ep6.el7.noarch.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2018:0627-01
Product: Red Hat JBoss Enterprise Application Platform
Advisory URL: https://access.redhat.com/errata/RHSA-2018:0627
Issue date: 2018-04-03

Topic

An update is now available for Red Hat JBoss Enterprise ApplicationPlatform 6.4 for Red Hat Enterprise Linux 5, Red Hat Enterprise Linux 6 andRed 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 important security impact red hat jboss xml deserialization

Relevant Releases Architectures

Red Hat JBoss Enterprise Application Platform 6.4 for RHEL 5 Server - noarch

Red Hat JBoss Enterprise Application Platform 6.4 for RHEL 6 Server - noarch

Red Hat JBoss Enterprise Application Platform 6.4 for RHEL 7 Server - noarch

Bugs Fixed

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

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