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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.
Log4j 2 is not backwards compatible with 1.x versions, [9] although an "adapter" is available. On August 5, 2015, the Apache Logging Services Project Management Committee announced that Log4j 1 had reached end of life and that users of Log4j 1 were advised to upgrade to Apache Log4j 2. [10]
The Java Naming and Directory Interface (JNDI) is a Java API for a directory service that allows Java software clients to discover and look up data and resources (in the form of Java objects) via a name. Like all Java APIs that interface with host systems, JNDI
Hints and the solution for today's Wordle on Monday, February 17.
The unemployment rate fell to 4.1% from November's 4.2%. New labor data for January is due on February 7. It was positive news for the economy ahead of twin reports in mid-January that showed ...
Log4j has a system of config files accessible as resources. there are issues when things are running in J2EE containers the container may want to restrict access to services; the container might want to hot-remap resorces; JNDI provides a federated namespace, which provides a standard way of getting at any service.
A man passes by a painting of Israeli female observer soldiers who were kidnaped during Hamas' Oct. 7 deadly attack and were supposed to be released in the first phase of the ceasefire deal ...
Log4j 2 provides both an API and an implementation. The API can be routed to other logging implementations equivalent to how SLF4J works. Unlike SLF4J, the Log4j 2 API logs Message [2] objects instead of Strings for extra flexibility and also supports Java Lambda expressions. [3] JCL isn't really a logging framework, but a wrapper for one.