high
8.5
CWE
20 74
Advisory Published
Updated

CVE-2021-44832: Input Validation

First published: Tue Dec 28 2021(Updated: )

Apache Log4j could allow a remote attacker with permission to modify the logging configuration file to execute arbitrary code on the system. By constructing a malicious configuration using a JDBC Appender with a data source referencing a JNDI URI , an attacker could exploit this vulnerability to execute remote code.

Credit: security@apache.org

Affected SoftwareAffected VersionHow to fix
redhat/eap7-log4j<0:2.17.1-1.redhat_00001.1.el8ea
0:2.17.1-1.redhat_00001.1.el8ea
redhat/eap7-log4j<0:2.17.1-1.redhat_00001.1.el7ea
0:2.17.1-1.redhat_00001.1.el7ea
Apache Log4j=2.0-beta9
Apache Log4j=2.15.0
Apache Log4j=2.17.0
Apache Log4j=1.2.x
redhat/log4j<2.17.1
2.17.1
redhat/log4j<2.12.4
2.12.4
redhat/log4j<2.3.2
2.3.2
Apache Log4j>=2.0.1<2.3.2
Apache Log4j>=2.4<2.12.4
Apache Log4j>=2.13.0<2.17.1
Apache Log4j=2.0
Apache Log4j=2.0-beta7
Apache Log4j=2.0-beta8
Apache Log4j=2.0-beta9
Apache Log4j=2.0-rc1
Apache Log4j=2.0-rc2
Oracle Communications Diameter Signaling Router>=8.0.0.0<=8.5.1.0
Oracle Communications Interactive Session Recorder=6.3
Oracle Communications Interactive Session Recorder=6.4
Oracle Primavera Gateway>=17.12.0<=17.12.11
Oracle Primavera Gateway>=18.8.0<=18.8.13
Oracle Primavera Gateway>=19.12.0<=19.12.12
Oracle Primavera Gateway>=20.12.0<=20.12.7
Oracle Primavera Gateway=21.12.0
Oracle Primavera P6 Enterprise Project Portfolio Management>=19.12.0<=19.12.18.0
Oracle Primavera P6 Enterprise Project Portfolio Management>=20.12.0.0<=20.12.12.0
Oracle Primavera P6 Enterprise Project Portfolio Management=21.12.0.0
Oracle Primavera Unifier=18.8
Oracle Primavera Unifier=19.12
Oracle Primavera Unifier=20.12
Oracle Primavera Unifier=21.12
Oracle Retail Assortment Planning=16.0.3
Oracle Retail Fiscal Management=14.2
Oracle Siebel Ui Framework=21.12
Oracle WebLogic Server=12.2.1.3.0
Oracle WebLogic Server=12.2.1.4.0
Oracle WebLogic Server=14.1.1.0.0
Cisco Cloudcenter=4.10.0.16
Fedoraproject Fedora=34
Fedoraproject Fedora=35
Debian Debian Linux=9.0
Oracle Communications Brm - Elastic Charging Engine<12.0.0.4.6
Oracle Communications Brm - Elastic Charging Engine=12.0.0.5.0
Oracle Communications Diameter Signaling Router>=8.3.0.0<=8.5.1.0
Oracle Communications Offline Mediation Controller<12.0.0.4.4
Oracle Communications Offline Mediation Controller=12.0.0.5.0
Oracle FLEXCUBE Private Banking=12.1.0
Oracle Health Sciences Data Management Workbench=2.5.2.1
Oracle Health Sciences Data Management Workbench=3.0.0.0
Oracle Health Sciences Data Management Workbench=3.1.0.3
Oracle Policy Automation>=12.2.0<=12.2.24
Oracle Policy Automation For Mobile Devices>=12.2.0<=12.2.24
Oracle Primavera P6 Enterprise Project Portfolio Management>=19.12.0.0<=19.12.18.0
Oracle Product Lifecycle Analytics=3.6.1
Oracle Retail Order Broker=18.0
Oracle Retail Order Broker=19.1
Oracle Retail Xstore Point of Service=17.0.4
Oracle Retail Xstore Point of Service=18.0.3
Oracle Retail Xstore Point of Service=19.0.2
Oracle Retail Xstore Point of Service=20.0.1
Oracle Retail Xstore Point of Service=21.0.1
Oracle Siebel Ui Framework<=21.12

Remedy

https://issues.apache.org/jira/browse/LOG4J2-3293

Remedy

https://www.oracle.com/security-alerts/cpuapr2022.html

Remedy

https://www.oracle.com/security-alerts/cpujan2022.html

Remedy

https://www.oracle.com/security-alerts/cpujul2022.html

Remedy

As per upstream: - In prior releases confirm that if the JDBC Appender is being used it is not configured to use any protocol other than Java. - Note that only the log4j-core JAR file is impacted by this vulnerability. Applications using only the log4j-api JAR file without the log4j-core JAR file are not impacted by this vulnerability.

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is CVE-2021-44832?

    CVE-2021-44832 is a vulnerability in Apache Log4j2 versions 2.0-beta7 through 2.17.0 (excluding security fix releases 2.3.2 and 2.12.4) that allows a remote code execution (RCE) attack.

  • How severe is CVE-2021-44832?

    CVE-2021-44832 has a severity rating of medium (6.6).

  • Which software versions of Apache Log4j2 are affected by CVE-2021-44832?

    Apache Log4j2 versions 2.0-beta7 through 2.17.0 (excluding security fix releases 2.3.2 and 2.12.4) are affected by CVE-2021-44832.

  • How can I fix CVE-2021-44832?

    To fix CVE-2021-44832, upgrade to version 2.17.1 of Apache Log4j2.

  • What is the CWE category of CVE-2021-44832?

    CVE-2021-44832 falls under CWE category 20.

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