JMSAppender in Log4j 1.2 is vulnerable to deserialization of untrusted data when the attacker has write access to the Log4j configuration. The attacker can provide TopicBindingName and TopicConnectionFactoryBindingName configurations causing JMSAppender to perform JNDI requests that result in remote code execution in a similar fashion to CVE-2021-44228. Note this issue only affects Log4j 1.2 when specifically configured to use JMSAppender, which is not the default. Apache Log4j 1.2 reached end of life in August 2015. Users should upgrade to Log4j 2 as it addresses numerous other issues from the previous versions.
:heavy_check_mark: This issue was automatically closed by Mend because the vulnerable library in the specific branch(es) was either marked as ignored or it is no longer part of the Mend inventory.
CVE-2021-4104 - High Severity Vulnerability
Vulnerable Library - log4j-1.2.12.jar
Path to dependency file: /pom.xml
Path to vulnerable library: /pom.xml
Dependency Hierarchy: - :x: **log4j-1.2.12.jar** (Vulnerable Library)
Found in HEAD commit: d227043a8522842f87f42cde3d726b8da6d692d5
Found in base branch: master
Vulnerability Details
JMSAppender in Log4j 1.2 is vulnerable to deserialization of untrusted data when the attacker has write access to the Log4j configuration. The attacker can provide TopicBindingName and TopicConnectionFactoryBindingName configurations causing JMSAppender to perform JNDI requests that result in remote code execution in a similar fashion to CVE-2021-44228. Note this issue only affects Log4j 1.2 when specifically configured to use JMSAppender, which is not the default. Apache Log4j 1.2 reached end of life in August 2015. Users should upgrade to Log4j 2 as it addresses numerous other issues from the previous versions.
Publish Date: 2021-12-14
URL: CVE-2021-4104
CVSS 3 Score Details (7.5)
Base Score Metrics: - Exploitability Metrics: - Attack Vector: Network - Attack Complexity: High - Privileges Required: Low - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: High - Integrity Impact: High - Availability Impact: High
For more information on CVSS3 Scores, click here.Suggested Fix
Type: Upgrade version
Origin: https://nvd.nist.gov/vuln/detail/CVE-2021-4104
Release Date: 2021-12-14
Fix Resolution: uom-parent - 1.0.3-3.module,1.0.3-3.module;uom-se-javadoc - 1.0.4-3.module;parfait-examples - 0.5.4-4.module;log4j-manual - 1.2.17-16;si-units-javadoc - 0.6.5-2.module;unit-api - 1.0-5.module,1.0-5.module;unit-api-javadoc - 1.0-5.module;parfait - 0.5.4-4.module,0.5.4-4.module;log4j-javadoc - 1.2.17-16;uom-systems-javadoc - 0.7-1.module;uom-lib-javadoc - 1.0.1-6.module;uom-systems - 0.7-1.module,0.7-1.module;log4j - 1.2.17-16,1.2.17-16;uom-se - 1.0.4-3.module,1.0.4-3.module;uom-lib - 1.0.1-6.module,1.0.1-6.module;parfait-javadoc - 0.5.4-4.module;pcp-parfait-agent - 0.5.4-4.module;si-units - 0.6.5-2.module,0.6.5-2.module
:rescue_worker_helmet: Automatic Remediation will be attempted for this issue.