Apache Log4j 2
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| Apache Log4j 2 | active-scan-plus-plus | |
|---|---|---|
| 108 | 3 | |
| 3,268 | 203 | |
| 0.9% | 1.5% | |
| 9.9 | 4.1 | |
| 5 days ago | 5 months ago | |
| Java | Python | |
| Apache License 2.0 | Apache License 2.0 |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
Apache Log4j 2
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Hackers exploited Windows 0-day for 6 months after Microsoft knew of it
I don't think that's a good example. While Apache devs are volunteers and Microsoft devs are employees, they were criticized for their slow response time and seeming lack of urgency until it was far too late.
https://github.com/apache/logging-log4j2/pull/608#issuecomme...
- Create an alternative async logger implementation using JCTools
- Log4j requesting feedback on which modules/features to drop
- The Unsung Heroes of Open Source: The Dedicated Maintainers Behind Lesser-Known Projects
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Studying Log4Shell
The official website. The vulnerability was introduced in 2.0-beta7 which was released in 2013.
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The Dedicated Maintainers Behind Lesser-Known Open Source Projects
However, there are many open source projects that are widely used but not well-known, including cURL, ImageMagick, MyCLI, Homebrew, Apache Log4j, and OpenSSL. This article will take a closer look at these unsung heroes of the open source world. I do not want to give them a business model or financial advice in this article. This largely depends on the author's personal experience and values. I just want to raise more awareness about these open source projects.
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Apache POI Setup Logging Error
What you need is log4j-core, what you downloaded is some kind of connector between log4j and JUL. Tbh I don't know what JUL is, but that's not important. You can get log4j-core on from the official website - https://logging.apache.org/log4j/2.x/ or in maven repo. In case you're not using maven, I highly, highly recommend you using it for managing your dependencies.
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Log4Shell Still Has Sting in the Tail
> When it was first revealed in early December 2021, the Log4Shell bug was described as one of the most severe security vulnerabilities ever.
> The Apache Software Foundation, which maintains the open-source tool, quickly released a patch...
Apache horribly mismanaged this and did not release a patch until it was already widely known and being exploited in the wild. They also messed up and had to release several subsequent patches to actually fix the vulnerability.
Remember: this vulnerability was disclosed to them in November.
https://github.com/apache/logging-log4j2/pull/608#issuecomme...
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The US Cybersecurity and Infrastructure Agency open-sourced a new tool named Scuba
Think back to the Log4J event, were you affected? (https://github.com/apache/logging-log4j2)
- In One Minute : log4j2
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RCE 0-day exploit found in log4j, a popular Java logging package
Rules for Burp Suite ActiveScan++
- Log4j RCE Found
What are some alternatives?
Logback - The reliable, generic, fast and flexible logging framework for Java.
apache-log4j-rce-poc
reload4j - reload4j is a drop-in replacement for log4j 1.2.17
Log4jAttackSurface
tinylog - tinylog is a lightweight logging framework for Java, Kotlin, Scala, and Android
log4j-patch - Non intrusive log4j2 RCE vulnerability patch.
Logstash - Logstash - transport and process your logs, events, or other data
apache-log4j-poc - Apache Log4j 远程代码执行
SLF4J - Simple Logging Facade for Java
tsunami-security-scanner-plugins - This project aims to provide a central repository for many useful Tsunami Security Scanner plugins.
kibana - Your window into the Elastic Stack
ThreatMapper - Open source cloud native security observability platform. Linux, K8s, AWS Fargate and more.