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Red Hat Enterprise Linux: RHSA-2022-0442-01 Important: log4j RCE Risks

red hat
Calendar Grey February 8, 2022
Dist Redhat Esm H88
Important log4j security enhancement notice for Red Hat Enterprise Linux that mitigates SQL injection vulnerabilities and counters risks of unauthorized remote execution.
An update for log4j is now available for Red Hat Enterprise Linux 6 Extended Lifecycle Support, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 7.3 Advanced Update Support, Re...

Solution

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

Log4j is a tool to help the programmer output log statements to a variety of output targets.
Security Fix(es):
* log4j: SQL injection in Log4j 1.x when application is configured to use JDBCAppender (CVE-2022-23305)
* log4j: Unsafe deserialization flaw in Chainsaw log viewer (CVE-2022-23307)
* log4j: Remote code execution in Log4j 1.x when application is configured to use JMSSink (CVE-2022-23302)
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.

Topics%20covered

Topics Covered

security advisory Red Hat remote code execution important SQL injection unsafe deserialization log4j

References

https://access.redhat.com/security/cve/CVE-2022-23302 https://access.redhat.com/security/cve/CVE-2022-23305 https://access.redhat.com/security/cve/CVE-2022-23307 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux Server (v. 6 ELS):
Source: log4j-1.2.14-6.6.el6_10.src.rpm
i386: log4j-1.2.14-6.6.el6_10.i686.rpm log4j-debuginfo-1.2.14-6.6.el6_10.i686.rpm
s390x: log4j-1.2.14-6.6.el6_10.s390x.rpm log4j-debuginfo-1.2.14-6.6.el6_10.s390x.rpm
x86_64: log4j-1.2.14-6.6.el6_10.x86_64.rpm log4j-debuginfo-1.2.14-6.6.el6_10.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 6 ELS):
i386: log4j-debuginfo-1.2.14-6.6.el6_10.i686.rpm log4j-javadoc-1.2.14-6.6.el6_10.i686.rpm log4j-manual-1.2.14-6.6.el6_10.i686.rpm
s390x: log4j-debuginfo-1.2.14-6.6.el6_10.s390x.rpm log4j-javadoc-1.2.14-6.6.el6_10.s390x.rpm log4j-manual-1.2.14-6.6.el6_10.s390x.rpm
x86_64: log4j-debuginfo-1.2.14-6.6.el6_10.x86_64.rpm log4j-javadoc-1.2.14-6.6.el6_10.x86_64.rpm log4j-manual-1.2.14-6.6.el6_10.x86_64.rpm
Red Hat Enterprise Linux Client (v. 7):
Source: log4j-1.2.17-18.el7_4.src.rpm
noarch: log4j-1.2.17-18.el7_4.noarch.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
noarch: log4j-javadoc-1.2.17-18.el7_4.noarch.rpm log4j-manual-1.2.17-18.el7_4.noarch.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source: log4j-1.2.17-18.el7_4.src.rpm
noarch: log4j-1.2.17-18.el7_4.noarch.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
noarch: log4j-javadoc-1.2.17-18.el7_4.noarch.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2022:0442-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:0442
Issue date: 2022-02-07

Topic

An update for log4j is now available for Red Hat Enterprise Linux 6Extended Lifecycle Support, Red Hat Enterprise Linux 7, Red Hat EnterpriseLinux 7.3 Advanced Update Support, Red Hat Enterprise Linux 7.4 AdvancedUpdate Support, Red Hat Enterprise Linux 7.6 Advanced Update Support, RedHat Enterprise Linux 7.6 Telco Extended Update Support, Red Hat EnterpriseLinux 7.6 Update Services for SAP Solutions, Red Hat Enterprise Linux 7.7Advanced Update Support, Red Hat Enterprise Linux 7.7 Telco Extended UpdateSupport, and Red Hat Enterprise Linux 7.7 Update Services for SAPSolutions.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 remote code execution important SQL injection unsafe deserialization log4j

Relevant Releases Architectures

Red Hat Enterprise Linux Client (v. 7) - noarch

Red Hat Enterprise Linux Client Optional (v. 7) - noarch

Red Hat Enterprise Linux ComputeNode (v. 7) - noarch

Red Hat Enterprise Linux ComputeNode Optional (v. 7) - noarch

Red Hat Enterprise Linux Server (v. 6 ELS) - i386, s390x, x86_64

Red Hat Enterprise Linux Server (v. 7) - noarch

Red Hat Enterprise Linux Server AUS (v. 7.3) - noarch

Red Hat Enterprise Linux Server AUS (v. 7.4) - noarch

Red Hat Enterprise Linux Server AUS (v. 7.6) - noarch

Red Hat Enterprise Linux Server AUS (v. 7.7) - noarch

Red Hat Enterprise Linux Server E4S (v. 7.6) - noarch

Red Hat Enterprise Linux Server E4S (v. 7.7) - noarch

Red Hat Enterprise Linux Server Optional (v. 6 ELS) - i386, s390x, x86_64

Red Hat Enterprise Linux Server Optional (v. 7) - noarch

Red Hat Enterprise Linux Server Optional AUS (v. 7.3) - noarch

Red Hat Enterprise Linux Server Optional AUS (v. 7.4) - noarch

Red Hat Enterprise Linux Server Optional AUS (v. 7.6) - noarch

Red Hat Enterprise Linux Server Optional AUS (v. 7.7) - noarch

Red Hat Enterprise Linux Server Optional E4S (v. 7.6) - noarch

Red Hat Enterprise Linux Server Optional TUS (v. 7.6) - noarch

Red Hat Enterprise Linux Server Optional TUS (v. 7.7) - noarch

Red Hat Enterprise Linux Server TUS (v. 7.6) - noarch

Red Hat Enterprise Linux Server TUS (v. 7.7) - noarch

Red Hat Enterprise Linux Workstation (v. 7) - noarch

Red Hat Enterprise Linux Workstation Optional (v. 7) - noarch

Bugs Fixed

2041949 - CVE-2022-23302 log4j: Remote code execution in Log4j 1.x when application is configured to use JMSSink

2041959 - CVE-2022-23305 log4j: SQL injection in Log4j 1.x when application is configured to use JDBCAppender

2041967 - CVE-2022-23307 log4j: Unsafe deserialization flaw in Chainsaw log viewer

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