How to Check Apache log4j Version in Linux | Windows | Java | Spring Boot {Vulnerability Command}

How to Check Apache log4j Version in Linux | Windows | Java | Spring Boot {Vulnerability Command}: On 9th-December-2021 there is a very busy day for all the Java developers because of Vulnerability found in log4j and this is the most common login mark used in all java projects. Here in the below article, we are providing the complete information regarding the apache log4j How to Check Apache log4j Version in Linux | Windows | Java | Spring Boot.

Apache Log4j Vulnerability:

All the Java Application Which is Used in log4j >2.10 or <=2.14.1. An attacker who can control log message or log message parameters can use to execute arbitrary code loaded from LDAP Server when message looked up substitution is enabled. If we tell in the short description so the Apache log4j is a logging tool used in many Java-based applications which are released by Microsoft which continues our analysis of the remote code execution vulnerabilities. Through this article, we are providing you with the complete information regarding the How to Check Apache log4j Version, Microsoft’s Response to CVE-2021-44228 Apache Log4j 2, log4j fix, log4j2.formatmsgnolookups, log4j issue, etc. will be provided in the given below article.

Apache log4j

Overview Regarding the Apache Log4j Security Vulnerabilities:

Name Of Version Apache Log4j
Main Use In Java Application
Managed by Java developers
Disclosed by Microsoft
Date of Launching 09-December-2021
Category How to Check
Name Of Article How to Check Apache log4j Version in Linux | Windows | Java | Spring Boot {Vulnerability Command}
Security Vulnerability CVE-2021-45046
How To Check Apache Log4j Vulnerability Apply Online
Official Website logging.apache.org

Features Provided by the Apache Log4j 2 Version:

  • Plugin Architecture
  • Property Support
  • Java 8 Lambda Support
  • Custom Log Levels
  • Log Builder API
  • API Separation
  • Improved Performance
  • Support for multiple APIs
  • Avoid lock-in
  • Automatic Reloading of Configurations
  • Advanced Filtering
  • Garbage-free
  • Integrating with Application Servers
  • Cloud-Enabled
  • Compatible with Log4j 1.

Log4j Issue & Log4j Fix

Log4j 1.x has been widely adopted and used in many applications. Moreover, through the years development, it has slowed down. It has become more difficult to maintain due to its need to be compliant with very old versions of Java and became End of Life in August 2015. Its alternative, SLF4J/Logback made many needed improvements to the framework. So why bother with Log4j 2. Here are some Given Below Reasons.

  • Log4j 2 is designed to be usable as an audit logging framework.
  • Log4j 2 contains next-generation Asynchronous Loggers based on the LMAX Disruptor library
  • Log4j 2 is garbage-free for stand-alone applications
  • Log4j 2 uses a Plugin system
  • Support for custom log levels
  • Support for lambda expressions
  • Support for Message objects
  • Layouts in Log4j 1.x and Logback return a String.

Main Component Of Apache Log4j Vulnerability:

  • Logger Context
  • Configuration
  • Filter
  • Str Substitutor
  • Str Lookup
  • Logger
  • Logger Config
  • Appender
  • Layout
  • Filter

Requirement For Apache Log4j cve-2021-44228

Log4j 2.13.0 and greater require Java 8. Version 2.4 through 2.12.1 required Java 7 (the Log4j team no longer supports Java 7). Some features require optional dependencies; the documentation for these features will specify the required dependencies.

How to Check Apache log4j Version in Linux | Windows | Java | Spring Boot:

  • Firstly the user will have to go on the official website of Apache log4j Version via @ logging.apache.org.
  • Now on the home page of the official website, you have to click on the Apache Log4j 2 Project.
  • Now on your screen, the details regarding the Apache log4j will appear on your screen.
  • Now you can check the Apache log4j Version in Linux | Windows | Java | Spring Boot.

Some Important Links:

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