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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.
The Java software platform provides a number of features designed for improving the security of Java applications. This includes enforcing runtime constraints through the use of the Java Virtual Machine (JVM), a security manager that sandboxes untrusted code from the rest of the operating system, and a suite of security APIs that Java developers can utilise.
These vulnerabilities have been found in applications written in Ruby on Rails, [2] ASP.NET MVC, [3] and Java Play framework. [4] In 2012 mass assignment on Ruby on Rails allowed bypassing of mapping restrictions and resulted in proof of concept injection of unauthorized SSH public keys into user accounts at GitHub.
This type of vulnerability would be bad enough if it was limited to just one product or brand. But because Log4j is such a ubiquitous technology, the effect of this will be exponentially higher.
The precision of SAST tool is determined by its scope of analysis and the specific techniques used to identify vulnerabilities. Different levels of analysis include: function level - sequences of instruction. file or class-level - an extensible program-code-template for object creation. application level - a program or group of programs that ...
The Java programming language and Java software platform have been criticized for design choices including the implementation of generics, forced object-oriented programming, the handling of unsigned numbers, the implementation of floating-point arithmetic, and a history of security vulnerabilities in the primary Java VM implementation, HotSpot.
A vulnerability database (VDB) is a platform aimed at collecting, maintaining, and disseminating information about discovered computer security vulnerabilities.The database will customarily describe the identified vulnerability, assess the potential impact on affected systems, and any workarounds or updates to mitigate the issue.
Insecure direct object reference (IDOR) is a type of access control vulnerability in digital security. [ 1 ] This can occur when a web application or application programming interface uses an identifier for direct access to an object in an internal database but does not check for access control or authentication .