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Vulnerability in Apache Tomcat that allows JSP code injection and access to web application files.

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Researchers from the Chinese company Chaitin Tech have identified a vulnerability (CVE-2020-1938) in Apache Tomcat, the open-source implementation of Java Servlet, JavaServer Pages, Java Expression Language, and Java WebSocket technologies. The vulnerability has been assigned the codename Ghostcat and a critical severity level (9.8 CVSS). The problem allows, in the default configuration, access to the contents of any files in the directory by sending a request over network port 8009 […]

Release of DXVK 1.5.5, a Direct3D 9/10/11 implementation over the Vulkan API

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The release of the DXVK 1.5.5 layer has been formed, providing an implementation of DXGI (DirectX Graphics Infrastructure), Direct3D 9, 10, and 11, working through call translation to the Vulkan API. To use DXVK, drivers supporting Vulkan API 1.1 are required, such as AMD RADV 18.3, NVIDIA 415.22, Intel ANV 19.0, and AMDVLK. DXVK can be used to run 3D applications and games in […]

Release JPype 0.7.2, a library for accessing Java classes from Python

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The release of the JPype 0.7.2 layer is now available, allowing full access for Python applications to Java class libraries. With JPype, specific Java libraries can be used from Python, creating hybrid applications that combine Java and Python code. Unlike Jython, integration with Java is achieved not by creating a Python variant for the JVM, but through interaction in […]

Release of Rakudo Star 2019.03, the distribution of the Raku language (formerly Perl 6)

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The Rakudo Star 2020.01 package is released, including the Rakudo compiler, MoarVM virtual machine, documentation, modules, and tools necessary for development in the Raku language (the new name for Perl 6 after renaming). The compiler conforms to the Raku v6.d specification, except for support for advanced macros, non-blocking I/O, and a number of minor features that are planned to be made functional in future releases. In […]

Release of Wine 5.3 and Wine Staging 5.3

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An experimental release of the open implementation of WinAPI — Wine 5.3, has occurred. Since the release of version 5.2, 29 bug reports have been closed, and 350 changes have been made. Key changes include: Continued work to enable the use of ucrtbase as a C runtime; Full support for normalizing Unicode strings has been added; Enhanced handling of shell directories (Shell Folders, special directories for placing certain types […]

[Flipper Zero] we are abandoning Raspberry Pi and making our own board from scratch. Finding the right WiFi chip.

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Flipper Zero is a pocket multi-tool project for hackers in the form factor of a Tamagotchi, which I am developing with friends. Previous post [1]. A lot has happened since the first post about Flipper. We have been working hard all this time, and the project has undergone radical changes. The main news is that we have decided to completely abandon the Raspberry Pi Zero and make our […]

The first release of Monado, a platform for virtual reality devices

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The first release of the Monado project has been published, aimed at creating an open implementation of the OpenXR standard, which defines a universal API for developing virtual and augmented reality applications, along with a set of layers for interacting with hardware, abstracting features of specific devices. The standard is prepared by the Khronos consortium, which also develops standards such as OpenGL, OpenCL, and Vulkan. The project's code is written in C and […]

The Brave browser integrates access to archive.org for viewing deleted pages

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The Archive.org project (Internet Archive Wayback Machine), which stores archives of website changes since 1996, announced a joint initiative with the developers of the Brave web browser. As a result, when trying to open a nonexistent or unavailable page in Brave, the browser will check for the page on archive.org and, if found, will display a prompt suggesting to open the archived copy. The innovation is implemented in […]

Flipper Zero is a cool multi-tool for penetration testers.

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Flipper Zero is a pocket multitool project based on Raspberry Pi Zero for pentesting IoT and wireless access control systems. It is also a tamagotchi, where a cyber-dolphin lives. It will be able to: Work in the 433 MHz range — for exploring remote controls, sensors, electronic locks, and relays. NFC — read/write and emulate ISO-14443 cards. 125 kHz RFID — read/write […]

Load Balancing with AWS ELB

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Hello everyone! Today, the course 'AWS for Developers' starts, for which we held a corresponding themed webinar dedicated to an overview of ELB. We reviewed the types of load balancers and created several EC2 instances with a load balancer. We also studied other use cases. After listening to the webinar, you will: understand what AWS Load Balancing is; know the types of Elastic Load Balancer and its […]

Clustering in Proxmox VE

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In previous articles, we started discussing what Proxmox VE is and how it works. Today, we will talk about how to use the clustering feature and show the advantages it provides. So, what is a cluster and what is it for? A cluster (from the English 'cluster') is a group of servers connected by high-speed communication channels, operating and presenting […]

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