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.

RotaJakiro — a new malware for Linux, masquerading as the systemd process

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The research lab 360 Netlab reported the discovery of new malware for Linux, codenamed RotaJakiro, which includes a backdoor implementation that allows control of the system. The malware could have been installed by attackers after exploiting unpatched vulnerabilities in the system or guessing weak passwords. The backdoor was detected during the analysis of suspicious traffic from one of the system processes identified during the analysis of […]

Proxmox VE 6.4 Release, a distribution for managing virtual servers

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The release of Proxmox Virtual Environment 6.4 has been published, a specialized Linux distribution based on Debian GNU/Linux, aimed at deploying and managing virtual servers using LXC and KVM, and capable of serving as an alternative to products like VMware vSphere, Microsoft Hyper-V, and Citrix Hypervisor. The size of the installation ISO image is 928 MB. Proxmox VE provides tools for deploying a fully ready system of virtual […]

Release of VirtualBox 6.1.22

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Oracle has released a corrective update for the virtualization system VirtualBox 6.1.22, which includes 5 fixes. Major changes: In the additions for guest systems running Linux, issues with launching executable files located on mounted shared drives have been resolved. In the virtual machine manager, the performance of starting 64-bit guest systems running Windows and Solaris using Hyper-V hypervisor mode on host systems has been improved […]

GitHub tightens rules regarding the publication of security research findings.

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GitHub has published changes to the rules defining the policy regarding the hosting of exploits and malware research findings, as well as compliance with the U.S. Digital Millennium Copyright Act (DMCA). The changes are currently in draft form and available for discussion for 30 days. In the DMCA compliance rules, in addition to the previously existing ban on distribution and facilitation of installation or […]

New versions Samba 4.14.4, 4.13.8, and 4.12.15 with vulnerability fixes

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Corrective updates for Samba package versions 4.14.4, 4.13.8, and 4.12.15 have been released to address a vulnerability (CVE-2021-20254) that can lead to the smbd process crashing in most cases. In the worst-case scenario, it could allow unauthorized access to files and deletion of files by non-privileged users on the network share. The vulnerability is caused by an error in the sids_to_unixids() function, leading to data being read from outside a […]

BIND DNS Server Update Addressing Vulnerability Allowing Remote Code Execution

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Corrective updates for stable branches of the BIND DNS server 9.11.31 and 9.16.15, as well as the under-development experimental branch 9.17.12, have been released. The new releases address three vulnerabilities, one of which (CVE-2021-25216) leads to a buffer overflow. On 32-bit systems, the vulnerability can be exploited for remote code execution by sending a specially crafted GSS-TSIG request. On 64-bit systems, the issue is limited to crashes […]

Candidate for release openSUSE Leap 15.3

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A candidate for testing the release of the openSUSE Leap 15.3 distribution has been proposed, based on a core set of packages from the SUSE Linux Enterprise distribution, along with some custom applications from the openSUSE Tumbleweed repository. An all-in-one DVD image, sized at 4.3 GB (x86_64, aarch64, ppc64les, 390x), is available for download. The release of openSUSE Leap 15.3 is planned for June 2, 2021. Unlike previous releases […]

Calculate Linux 21 has been released.

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The release of Calculate Linux 21, developed by the Russian-speaking community and based on Gentoo Linux, is now available. It supports a continuous update release cycle and is optimized for rapid deployment in corporate environments. The new release features a Calculate Container Games build with a container for running games from Steam. The packages have been rebuilt with GCC 10.2 and packaged using Zstd compression, significantly speeding up […]

Release of the Pale Moon 29.2 browser.

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The release of the Pale Moon 29.2 web browser, which forked from the Firefox codebase to ensure higher efficiency, maintain a classic interface, minimize memory consumption, and provide additional customization options, is now available. Pale Moon builds are available for Windows and Linux (x86 and x86_64). The project's code is distributed under the MPLv2 (Mozilla Public License). The project adheres to a classic interface organization, without […]

Release of the Linux distribution Fedora 34

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The release of the Linux distribution Fedora 34 has been announced. The products Fedora Workstation, Fedora Server, CoreOS, Fedora IoT Edition, and a set of spins with Live builds of the desktop environments KDE Plasma 5, Xfce, i3, MATE, Cinnamon, LXDE, and LXQt are prepared for download. The builds are created for x86_64, Power64, ARM64 (AArch64) architectures, and various devices with 32-bit ARM processors. The release of Fedora Silverblue builds is delayed. Most […]

The Finit 4.0 initialization system is now available.

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After about three years of development, the release of the Finit 4.0 (Fast init) initialization system has been published, developed as a simple alternative to SysV init and systemd. The project is based on the findings from reverse engineering the fastinit initialization system used in the Linux firmware of EeePC netbooks, notable for its very fast boot process. The system primarily aims to provide booting for compact and embedded […]

The injection of malicious code into the Codecov script compromised the HashiCorp PGP key.

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HashiCorp, known for developing open tools like Vagrant, Packer, Nomad, and Terraform, announced a leak of a private GPG key used for creating digital signatures that verify releases. Attackers who gained access to the GPG key could potentially make hidden changes to HashiCorp products, certifying them with a valid digital signature. The company stated that during the audit conducted, traces of such modification attempts were found […]

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