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Red Hat: RHSA-2017-3399 Important: JBoss Log4j Deserialization Risk

red hat
Calendar Grey December 7, 2017
Dist Redhat Esm H88
Crucial notice regarding Red Hat JBoss Enterprise Application rectifies log4j deserialization vulnerability. Additional information enclosed.
An update is now available for Red Hat JBoss Enterprise Application Platform 5 for Red Hat Enterprise Linux 5 and Red Hat JBoss Enterprise Application Platform 5 for Red Hat Enterp...

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 log4j package in Red Hat JBoss Enterprise Application Platform 5.2.0.
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)

Topics%20covered

Topics Covered

security advisory threat mitigation important update application platform deserialization Red Hat JBoss log4j

References

https://access.redhat.com/security/cve/CVE-2017-5645 https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/documentation/en-us/red_hat_jboss_enterprise_application_platform/

Package List

Red Hat JBoss Enterprise Application Platform 5 for RHEL 5 Server:
Source: log4j-1.2.14-19.patch_01.ep5.el5.src.rpm
noarch: log4j-1.2.14-19.patch_01.ep5.el5.noarch.rpm
Red Hat JBoss Enterprise Application Platform 5 for RHEL 6 Server:
Source: log4j-1.2.14-19.patch_01.ep5.el6.src.rpm
noarch: log4j-1.2.14-19.patch_01.ep5.el6.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-2017:3399-01
Product: Red Hat JBoss Enterprise Application Platform
Advisory URL: https://access.redhat.com/errata/RHSA-2017:3399
Issue date: 2017-12-07

Topic

An update is now available for Red Hat JBoss Enterprise ApplicationPlatform 5 for Red Hat Enterprise Linux 5 and Red Hat JBoss EnterpriseApplication Platform 5 for Red Hat Enterprise Linux 6.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 threat mitigation important update application platform deserialization Red Hat JBoss log4j

Relevant Releases Architectures

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

Red Hat JBoss Enterprise Application Platform 5 for RHEL 6 Server - noarch

Bugs Fixed

1443635 - CVE-2017-5645 log4j: Socket receiver deserialization vulnerability

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