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Red Hat: RHSA-2017-3400-01 Important: Log4j Socket Flaw Fix

red hat
Calendar Grey December 7, 2017
Dist Redhat Esm H88
Crucial security patch released for Red Hat JBoss EAP mitigating a remote logging vulnerability.
An update is now available for Red Hat JBoss Enterprise Application Platform

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).

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 security update security impact remote logging Red Hat JBoss socket flaw log4j

References

https://access.redhat.com/security/cve/CVE-2017-5645 https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=appplatform&downloadType=securityPatches&version=5.2.0 https://access.redhat.com/documentation/en-us/red_hat_jboss_enterprise_application_platform/

Package List


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2017:3400-01
Product: Red Hat JBoss Enterprise Application Platform
Advisory URL: https://access.redhat.com/errata/RHSA-2017:3400
Issue date: 2017-12-07

Topic

An update is now available for Red Hat JBoss Enterprise ApplicationPlatform.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 security update security impact remote logging Red Hat JBoss socket flaw log4j

Relevant Releases Architectures

Bugs Fixed

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

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