RHSA-2022:0203 - Security Advisory

Topic

A micro version update for Fuse 7.8, 7.9, and 7.10 is now available for Red Hat Fuse on Karaf and Red Hat Fuse on Spring Boot. The purpose of this text-only errata is to inform you about the security issues fixed in this release.

Red Hat Product Security has rated this update as having a security impact of Critical. 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 releases of Red Hat Fuse 7.8.2, 7.9.1 and 7.10.1 serve as a patch to Red Hat Fuse on Karaf and Red Hat Fuse on Spring Boot and includes security fixes, which are documented in the Release Notes document linked to in the References.

Security Fix(es):

• log4j-core: Remote code execution in Log4j 2.x when logs contain an attacker-controlled string value (CVE-2021-44228)
• log4j-core: remote code execution via JDBC Appender (CVE-2021-44832)
• log4j-core: DoS in log4j 2.x with thread context message pattern and context lookup pattern (incomplete fix for CVE-2021-44228) (CVE-2021-45046)
• log4j-core: DoS in log4j 2.x with Thread Context Map (MDC) input data contains a recursive lookup and context lookup pattern (CVE-2021-45105)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Solution

Before applying the update, back up your existing installation, including all applications, configuration files, databases and database settings, and so on.

Installation instructions are available from the Fuse product documentation pages:

Fuse 7.8:
https://access.redhat.com/documentation/en-us/red_hat_fuse/7.8/html/installing_on_apache_karaf/apply-hotfix-patch https://access.redhat.com/documentation/en-us/red_hat_fuse/7.8/html/deploying_into_spring_boot/patch-red-hat-fuse-applications

Fuse 7.9:
https://access.redhat.com/documentation/en-us/red_hat_fuse/7.9/html/installing_on_apache_karaf/apply-hotfix-patch https://access.redhat.com/documentation/en-us/red_hat_fuse/7.9/html/deploying_into_spring_boot/patch-red-hat-fuse-applications

Fuse 7.10:
https://access.redhat.com/documentation/en-us/red_hat_fuse/7.10/html/installing_on_apache_karaf/apply-hotfix-patch https://access.redhat.com/documentation/en-us/red_hat_fuse/7.10/html/deploying_into_spring_boot/patch-red-hat-fuse-applications

Affected Products

• Red Hat Fuse 1 x86_64

Fixes

• BZ - 2030932 - CVE-2021-44228 log4j-core: Remote code execution in Log4j 2.x when logs contain an attacker-controlled string value
• BZ - 2032580 - CVE-2021-45046 log4j-core: DoS in log4j 2.x with thread context message pattern and context lookup pattern (incomplete fix for CVE-2021-44228)
• BZ - 2034067 - CVE-2021-45105 log4j-core: DoS in log4j 2.x with Thread Context Map (MDC) input data contains a recursive lookup and context lookup pattern
• BZ - 2035951 - CVE-2021-44832 log4j-core: remote code execution via JDBC Appender

CVEs

• CVE-2021-44228
• CVE-2021-44832
• CVE-2021-45046
• CVE-2021-45105

References

• https://access.redhat.com/security/updates/classification/#critical
• https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?downloadType=securityPatches&product=jboss.fuse&version=7.08.0
• https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?downloadType=securityPatches&product=jboss.fuse&version=7.09.0
• https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?downloadType=securityPatches&product=jboss.fuse&version=7.10.0
• https://access.redhat.com/security/vulnerabilities/RHSB-2021-009