Improper validation of certificate with host mismatch in Apache Log4j SMTP appender. This could allow an SMTPS connection to be intercepted by a man-in-the-middle attack which could leak any log messages sent through that appender. Fixed in Apache Log4j 2.12.3 and 2.13.1
CVE-2020-9488 - Low Severity Vulnerability
Vulnerable Library - log4j-1.2.13.jar
Log4j
Library home page: http://logging.apache.org/log4j/docs/
Path to dependency file: /pom.xml
Path to vulnerable library: /home/wss-scanner/.m2/repository/log4j/log4j/1.2.13/log4j-1.2.13.jar
Dependency Hierarchy: - slf4j-log4j12-1.5.0.jar (Root Library) - :x: **log4j-1.2.13.jar** (Vulnerable Library)
Found in HEAD commit: 3cb5ee94c288ebb566d97ad9bdc387c8e94f42ad
Found in base branch: master
Vulnerability Details
Improper validation of certificate with host mismatch in Apache Log4j SMTP appender. This could allow an SMTPS connection to be intercepted by a man-in-the-middle attack which could leak any log messages sent through that appender. Fixed in Apache Log4j 2.12.3 and 2.13.1
Publish Date: 2020-04-27
URL: CVE-2020-9488
CVSS 3 Score Details (3.7)
Base Score Metrics: - Exploitability Metrics: - Attack Vector: Network - Attack Complexity: High - Privileges Required: None - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: Low - Integrity Impact: None - Availability Impact: None
For more information on CVSS3 Scores, click here.Suggested Fix
Type: Upgrade version
Origin: https://reload4j.qos.ch/
Release Date: 2020-04-27
Fix Resolution: ch.qos.reload4j:reload4j:1.2.18.3