What is Apache Log4j used for?

Apache Log4j is a Java-based logging utility. Log4j Java library’s role is to log information that helps applications run smoothly, determine what’s happening, and help with the debugging process when errors occur. Logging libraries typically write down messages to the log file or a database.

Is log4js vulnerable?

The initial Apache Log4j vulnerability on 9 Dec 2021, which was assigned a maximum CVSS (common vulnerability scoring system) score of 10, led to massive reconnaissance and exploitation activity by threat actors leveraging the bug.

What was Log4j vulnerability?

Log4Shell is a software vulnerability in Apache Log4j 2, a popular Java library for logging error messages in applications. The vulnerability, published as CVE-2021-44228, enables a remote attacker to take control of a device on the internet if the device is running certain versions of Log4j 2.

Does apache2 use log4j?

(Discuss) Apache Log4j is a Java-based logging utility originally written by Ceki Gülcü. It is part of the Apache Logging Services, a project of the Apache Software Foundation. Log4j is one of several Java logging frameworks….Log4j.

Does log4net use log4j?

The Apache log4net library is a tool to help the programmer output log statements to a variety of output targets. log4net is a port of the excellent Apache log4j™ framework to the Microsoft® .

Who owns Log4j?

the Apache Software Foundation
It’s open-source software provided by the Apache Software Foundation. A common example of Log4j at work is when you type in or click on a bad web link and get a 404 error message.

Are hackers exploiting Log4j?

Despite the US Cybersecurity and Infrastructure Security Agency’s (CISA) confirmation it had seen no major breaches arise from Log4j exploitation, Microsoft assesses the Log4Shell issue as a “high-risk” situation because it’s difficult for organizations to know which applications, devices and services are affected.

Does Httpd use Log4j?

Apache httpd is NOT written in Java. Apache httpd does NOT use Apache log4j. Apache httpd is NOT subject to CVE-2021-44228.

Does Log4j 1 use JNDI?

Log4j 1. x are only vulnerable to this attack when they use JNDI in their configuration. A separate CVE (CVE-2021-4104) has been filed for this vulnerability.

Does Apache Web server use Log4j?

Apache Tomcat. Log4j may be used as the logging framework for Apache Tomcat. This support is implemented automatically by including the log4j-api, log4j-core, and log4j-appserver jars in the boot classpath.

How was the Log4j vulnerability found?

In late November, during the Thanksgiving holiday weekend in the U.S., Chen Zhaojun, a member of the Alibaba Cloud Security Team discovered the Log4j vulnerability and alerted the Apache Software Foundation.

What is Apache?

The Number One HTTP Server On The Internet¶ The Apache HTTP Server Project is an effort to develop and maintain an open-source HTTP server for modern operating systems including UNIX and Windows. The goal of this project is to provide a secure, efficient and extensible server that provides HTTP services in sync with the current HTTP standards.

What is Apache httpd?

The Apache HTTP Server (“httpd”) was launched in 1995 and it has been the most popular web server on the Internet since April 1996. It has celebrated its 20th birthday as a project in February 2015. The Apache HTTP Server is a project of The Apache Software Foundation. Apache httpd 2.4.41 Released 2019-08-14¶

What happened to Apache HTTP Server?

The Apache HTTP Server Project had long committed to provide maintenance releases of the 2.2.x flavor through June of 2017. The final release 2.2.34 was published in July 2017, and no further evaluation of bug reports or security risks will be considered or published for 2.2.x releases. Great!

How do I Find my Apache server version?

Find the Server Status section and click Apache Status. You can start typing “apache” in the search menu to quickly narrow your selection. The current version of Apache appears next to the server version on the Apache status page.