ProHoster > Articles on: Yuri Gagarin

Author: Yuri Gagarin

A technical specialist at ProHoster with over six years of experience in server administration, VPN solutions, and network security. I manage infrastructure setup and support, monitor service stability, and implement solutions to protect client data. I also contribute to performance optimization and compliance with modern security and privacy requirements.

A New Variant of the SAD DNS Attack for Injecting False Data into the DNS Cache

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A group of researchers from the University of California, Riverside, has published a new variant of the SAD DNS attack (CVE-2021-20322), which operates despite the protections added last year to block the vulnerability CVE-2020-25705. The new method is generally similar to last year's vulnerability, differing only in the use of a different type of ICMP packets to check active UDP ports. The proposed attack allows for the substitution of dummy data in the DNS server cache, which […]

New models for recognizing Russian speech in the Vosk library

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The developers of the Vosk library have released new models for recognizing Russian speech: the server model vosk-model-ru-0.22 and the mobile model Vosk-model-small-ru-0.22. These models utilize new speech data and a new neural network architecture, which has improved recognition accuracy by 10-20%. The code and data are distributed under the Apache 2.0 license. Key changes: New data collected from voice assistants significantly enhance the recognition of spoken commands, pronounced […]

Release of CentOS Linux 8.5 (2111), the final in the 8.x series

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The CentOS 2111 distribution has been released, incorporating changes from Red Hat Enterprise Linux 8.5. The distribution is fully binary compatible with RHEL 8.5. CentOS 2111 builds are available (8 GB DVD and 600 MB netboot) for x86_64, Aarch64 (ARM64), and ppc64le architectures. SRPMS packages, on which the binary file builds are based, and debuginfo are available through vault.centos.org. In addition to […]

Blacksmith — a new attack on DRAM memory and DDR4 chips

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A group of researchers from the Swiss Federal Institute of Technology Zurich, Vrije Universiteit Amsterdam, and Qualcomm has published a new RowHammer class attack method that allows for the manipulation of individual bits in dynamic random access memory (DRAM). This attack is codenamed Blacksmith and has been assigned the identifier CVE-2021-42114. Many DDR4 chips equipped with protections against previously known RowHammer class methods are susceptible to this issue. A toolkit for testing your systems […]

A vulnerability that allowed an update to be released for any package in the NPM repository.

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GitHub has disclosed information about two incidents within the NPM package repository infrastructure. On November 2, external security researchers (Kajetan Grzybowski and Maciej Piechota) reported a vulnerability in the NPM repository as part of the Bug Bounty program. This vulnerability allowed the publication of a new version of any package using an unauthorized account without the necessary permissions to perform such updates. The vulnerability was caused by […]

Fedora Linux 37 plans to discontinue support for the 32-bit ARM architecture.

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As part of Fedora Linux 37, the ARMv7 architecture, also known as ARM32 or armhfp, is slated to be deprecated. Development efforts for ARM systems will be focused on the ARM64 (Aarch64) architecture going forward. This change has not yet been reviewed by FESCo (Fedora Engineering Steering Committee), which is responsible for the technical aspects of Fedora distribution development. If approved, the last release with […]

Release of Rocky Linux 8.5, which is set to replace CentOS.

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The release of Rocky Linux 8.5 has taken place, aimed at creating a free build of RHEL, capable of filling the gap left by classic CentOS after Red Hat decided to end support for the CentOS 8 branch at the end of 2021, instead of the originally planned 2029. This is the second stable release of the project, deemed ready for production deployments. Rocky Linux builds […]

Tor Browser 11.0.1 update with integrated Blockchair service support

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A new version of the Tor Browser 11.0.1 is available. The browser focuses on ensuring anonymity, security, and privacy, with all traffic routed exclusively through the Tor network. Direct access through the current system's standard network connection is impossible, preventing the tracking of the user's real IP address (in case the browser is compromised, attackers may gain access to system network parameters, hence complete blocking options are available […]

Release of the integrated suite of internet applications SeaMonkey 2.53.10

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The SeaMonkey 2.53.10 internet application suite has been released, which combines a web browser, an email client, a news feed aggregator (RSS/Atom), and a WYSIWYG HTML editor called Composer into a single product. Pre-installed add-ons include the IRC client Chatzilla, developer tools like DOM Inspector, and the calendar-scheduler Lightning. This new release incorporates fixes and changes from the current Firefox codebase (SeaMonkey 2.53 is based on […]

Release of Chrome 96

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Google has released web browser Chrome 96. Additionally, a stable release of the open-source Chromium project, which forms the basis of Chrome, is also available. The Chrome browser is distinguished by its use of Google logos, a notification system in case of crashes, modules for playing protected video content (DRM), an automatic update installation system, and the transmission of RLZ parameters during searches. The Chrome 96 branch will be supported for 8 weeks as part of the […]

The decentralized storage LF has transitioned to an open license

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Release LF 1.1.0 is available, a decentralized replicable data storage in key/value format. The project is developed by ZeroTier, which creates a virtual Ethernet switch that allows hosts and virtual machines hosted by different providers to merge into one virtual local network, where participants exchange data in P2P mode. The project's code is written in C. This new release is notable for transitioning to the open MPL 2.0 license […]

Google introduced the fuzz testing system ClusterFuzzLite

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Google has introduced the ClusterFuzzLite project, which allows for fuzz testing of code to identify potential vulnerabilities early in continuous integration systems. Currently, ClusterFuzz can be used to automate fuzz testing of pull requests in GitHub Actions, Google Cloud Build, and Prow, with plans for support for other CI systems in the future. The project is based on the ClusterFuzz platform, created […]

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