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Log4Shell (CVE-2021-44228) is a zero-day vulnerability reported in November 2021 in Log4j, a popular Java logging framework, involving arbitrary code execution. [2] [3] The vulnerability had existed unnoticed since 2013 and was privately disclosed to the Apache Software Foundation, of which Log4j is a project, by Chen Zhaojun of Alibaba Cloud's security team on 24 November 2021.
Log4Shell, which is the actual bug in Log4j, is what is known as a remote code execution (RCE) vulnerability, the worst kind of threat. In this particular case, the Log4Shell vulnerability is so ...
Log4j is one of several Java logging frameworks. Gülcü has since created SLF4J, Reload4j, [4] and Logback [5] [better source needed] which are alternatives to Log4j. [6] The Apache Log4j team developed Log4j 2 [7] in response to the problems of Log4j 1.2, 1.3, java.util.logging and Logback, addressing issues which appeared in those frameworks ...
Known as the Log4j vulnerability, the flaw impacts a piece of open-source logging software that allows developers to understand how their programs function. The idea is to help companies ...
November and December: On November 24, Chen Zhaojun of Alibaba's Cloud Security Team reported a zero-day vulnerability (later dubbed Log4Shell) involving the use of arbitrary code execution in the ubiquitous Java logging framework software Log4j.
PHP has been the subject of numerous ACE vulnerabilities. [15] [16] [17] On December 9, 2021, a RCE vulnerability called "Log4Shell" was discovered in popular logging framework Log4j, affecting many services including iCloud, Minecraft: Java Edition and Steam, and characterized as "the single biggest, most critical vulnerability of the last ...
In a year that has experienced one jarring cyber attack after another — from ransomware disruptions to the U.S. gas supply and food industries to one of the largest crypto heists ever witnessed ...
A Java logging framework is a computer data logging package for the Java platform. This article covers general purpose logging frameworks. Logging refers to the recording of activity by an application and is a common issue for development teams. Logging frameworks ease and standardize the process of logging for the Java platform.