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.

Vulnerability in Bitbucket Server leading to code execution on the server

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A critical vulnerability (CVE-2022-43781) has been discovered in Bitbucket Server, a package for deploying a web interface for working with git repositories, allowing a remote attacker to execute code on the server. The vulnerability can be exploited by an unauthenticated user if self-registration is allowed on the server (the “Allow public signup” setting is enabled). Exploitation is also possible by an authenticated user who has permission to change their username (i.e., has […]

Release of labwc 0.6, a composite server for Wayland

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The release of project labwc 0.6 (Lab Wayland Compositor) is available, developing a compositor server for Wayland with features reminiscent of the Openbox window manager (the project is presented as an attempt to create an alternative to Openbox for Wayland). Among the features of labwc are minimalism, compact implementation, extensive customization options, and high performance. The project code is written in C and is distributed under the GPLv2 license. Based on […]

Release of Cinnamon 5.6 Desktop Environment

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After 6 months of development, the release of the Cinnamon 5.6 desktop environment has been formed, in which the Linux Mint distribution community develops a fork of the GNOME Shell, the Nautilus file manager, and the Mutter window manager, aimed at providing an environment in the classic GNOME 2 style with support for successful interaction elements from GNOME Shell. Cinnamon is based on GNOME components, but these components […]

Release of VirtualBox 7.0.4 and VMware Workstation 17.0 Pro

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Oracle has released a corrective version of the VirtualBox virtualization system 7.0.4, which includes 22 fixes. Key changes include: Improved startup scripts for hosts and guest systems based on Linux. Initial support for kernels from SLES 15.4, RHEL 8.7, and RHEL 9.1 has been implemented in Linux guest system additions. The handling of kernel module rebuilding has been refined […]

AlmaLinux 9.1 Distribution Released

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The release of the AlmaLinux 9.1 distribution has been formed, synchronized with the Red Hat Enterprise Linux 9.1 distribution and containing all the proposed changes in this release. Installation images have been prepared for the x86_64, ARM64, ppc64le, and s390x architectures in the form of bootable (840 MB), minimal (1.6 GB), and full images (8.6 GB). Later, Live builds with GNOME, KDE, and Xfce will be generated, as well as images […]

Red Hat Enterprise Linux 9.1 Distribution Release

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Red Hat has released the distribution of Red Hat Enterprise Linux 9.1. Ready installation images are available for registered users of the Red Hat Customer Portal (you can also use the iso images of CentOS Stream 9 for functionality evaluation). The release is built for x86_64, s390x (IBM System z), ppc64le, and Aarch64 (ARM64) architectures. The source code of rpm packages for Red Hat Enterprise Linux 9 is available in […]

Stable release of the MariaDB 10.10 database management system.

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The first stable release of the new branch of the MariaDB database management system 10.10 (10.10.2) has been published, which branches off from MySQL, maintaining backward compatibility and featuring the integration of additional storage engines and enhanced capabilities. The development of MariaDB is overseen by the independent organization MariaDB Foundation, following an open and transparent development process, independent of specific vendors. MariaDB is supplied instead of MySQL in many […]

Mozilla will begin accepting extensions based on the third version of the Chrome manifest

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On November 21, the AMO catalog (addons.mozilla.org) will start accepting and certifying add-ons using the third version of the Chrome manifest with a digital signature. These add-ons can be tested in the nightly builds of Firefox. The support for the third version of the manifest will be included in the stable releases in Firefox 109, scheduled for January 17, 2023. Support for the second version of the manifest will be maintained in the foreseeable future, but […]

The openSUSE Leap Micro 5.3 distribution is now available.

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The developers of the openSUSE project have released the atomically updatable distribution openSUSE Leap Micro 5.3, intended for creating microservices and for use as a base system for virtualization platforms and container isolation. Builds for x86_64 and ARM64 (Aarch64) architectures are available for download, provided both with an installer (Offline builds, size 1.9 GB) and in the form of ready-to-use boot images: 782MB (preconfigured), […]

A vulnerability in the implementation of the MCTP protocol for Linux, allowing privilege escalation.

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A vulnerability has been identified in the Linux kernel (CVE-2022-3977), which can potentially be exploited by a local user to escalate their privileges within the system. The vulnerability manifests starting from kernel 5.18 and was fixed in branch 6.1. You can track the appearance of fixes in distributions on the pages for: Debian, Ubuntu, Gentoo, RHEL, SUSE, Arch. The vulnerability exists in the implementation of the MCTP (Management Component Transport Protocol), used for […]

Vulnerability in Samba and MIT/Heimdal Kerberos that leads to buffer overflow.

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Correction releases of Samba package 4.17.3, 4.16.7, and 4.15.12 have been published, addressing the vulnerability (CVE-2022-42898) in Kerberos libraries, which leads to integer overflow and out-of-bounds data write when processing PAC (Privileged Attribute Certificate) parameters sent by an authenticated user. The publication of package updates in distributions can be tracked on the following pages: Debian, Ubuntu, Gentoo, RHEL, SUSE, Arch, FreeBSD. In addition to Samba […]

Critical vulnerabilities in Netatalk leading to remote code execution

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Six remotely exploitable vulnerabilities have been identified in Netatalk, a server implementing AppleTalk and Apple Filing Protocol (AFP), allowing the execution of arbitrary code with root privileges through specially crafted packets. Netatalk is utilized by many network-attached storage (NAS) manufacturers to facilitate file sharing and access to printers from Apple computers, for example, it was used in devices […]

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