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Security Leftovers

Submitted by Roy Schestowitz on Monday 6th of June 2022 06:26:23 PM Filed under
Security
  • Thorsten Alteholz: My Debian Activities in May 2022

    This month I accepted 288 and rejected 45 packages. The overall number of packages that got accepted was 290.

  • Reproducible Builds: Reproducible Builds in May 2022

    Welcome to the May 2022 report from the Reproducible Builds project. In our reports we outline the most important things that we have been up to over the past month. As ever, if you are interested in contributing to the project, please visit our Contribute page on our website.

    [...]

    The paper (PDF, 3.5MB) uses the Debian mylvmbackup package as an example to show how RepFix can automatically generate patches to make software build reproducibly. As it happens, Reiner Herrmann submitted a patch for the mylvmbackup package which has remained unapplied by the Debian package maintainer for over seven years, thus this paper inadvertently underscores that achieving reproducible builds will require both technical and social solutions.

  • Security updates for Monday

    Security updates have been issued by Debian (clamav, firefox-esr, pidgin, and thunderbird), Fedora (dotnet3.1, firefox, kernel, vim, and webkit2gtk3), Mageia (firefox/nss/nspr, gimp, logrotate, mariadb, thunderbird, trojita, webkit2, and webmin), Oracle (thunderbird), Red Hat (compat-openssl11, postgresql:10, postgresql:12, and thunderbird), Slackware (pidgin), and SUSE (openvpn).

  • Probably Don’t Rely on EPSS Yet

    Vulnerability management involves discovering, analyzing, and handling new or reported security vulnerabilities in information systems. The services provided by vulnerability management systems are essential to both computer and network security. This blog posting evaluates the pros and cons of the Exploit Prediction Scoring System (EPSS), which is a data-driven model designed to estimate the probability that software vulnerabilities will be exploited in practice.

    The EPSS model was initiated in 2019 in parallel to our criticisms of the Common Vulnerability Scoring System (CVSS) in 2018. EPSS was developed in parallel to our own attempt at improving CVSSS, the Stakeholder-Specific Vulnerability Categorization (SSVC); 2019 also saw version 1 of SSVC. This post will focus on EPSS version 2, released in February 2022, and when it is and not appropriate to use the model. This latest release has created a lot of excitement around EPSS, especially since improvements to CVSS (version 4) are still being developed. Unfortunately, the applicability of EPSS is much narrower than people might expect, so it is not yet a useful tool for most vulnerability managers.

  • The Surreal Case of a C.I.A. Hacker’s Revenge

    Nestled west of Washington, D.C., amid the bland northern Virginia suburbs, are generic-looking office parks that hide secret government installations in plain sight. Employees in civilian dress get out of their cars, clutching their Starbucks, and disappear into the buildings. To the casual observer, they resemble anonymous corporate drones. In fact, they hold Top Secret clearances and work in defense and intelligence. One of these buildings, at an address that is itself a secret, houses the cyberintelligence division of the Central Intelligence Agency. The facility is surrounded by a high fence and monitored by guards armed with military-grade weapons. When employees enter the building, they must badge in and pass through a full-body turnstile. Inside, on the ninth floor, through another door that requires badge access, is a C.I.A. office with an ostentatiously bland name: the Operations Support Branch. It is the agency’s secret hacker unit, in which a cadre of élite engineers create cyberweapons.

  • Unpatched Critical Flaws Disclosed in U-Boot Bootloader for Embedded Devices

    Cybersecurity researchers have disclosed two unpatched security vulnerabilities in the open-source U-Boot boot loader.

    The issues, which were uncovered in the IP defragmentation algorithm implemented in U-Boot by NCC Group, could be abused to achieve arbitrary out-of-bounds write and denial-of-service (DoS).

»

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today's howtos

  • How to install go1.19beta on Ubuntu 22.04 – NextGenTips

    In this tutorial, we are going to explore how to install go on Ubuntu 22.04 Golang is an open-source programming language that is easy to learn and use. It is built-in concurrency and has a robust standard library. It is reliable, builds fast, and efficient software that scales fast. Its concurrency mechanisms make it easy to write programs that get the most out of multicore and networked machines, while its novel-type systems enable flexible and modular program constructions. Go compiles quickly to machine code and has the convenience of garbage collection and the power of run-time reflection. In this guide, we are going to learn how to install golang 1.19beta on Ubuntu 22.04. Go 1.19beta1 is not yet released. There is so much work in progress with all the documentation.

  • molecule test: failed to connect to bus in systemd container - openQA bites

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  • How To Install MongoDB on AlmaLinux 9 - idroot

    In this tutorial, we will show you how to install MongoDB on AlmaLinux 9. For those of you who didn’t know, MongoDB is a high-performance, highly scalable document-oriented NoSQL database. Unlike in SQL databases where data is stored in rows and columns inside tables, in MongoDB, data is structured in JSON-like format inside records which are referred to as documents. The open-source attribute of MongoDB as a database software makes it an ideal candidate for almost any database-related project. This article assumes you have at least basic knowledge of Linux, know how to use the shell, and most importantly, you host your site on your own VPS. The installation is quite simple and assumes you are running in the root account, if not you may need to add ‘sudo‘ to the commands to get root privileges. I will show you the step-by-step installation of the MongoDB NoSQL database on AlmaLinux 9. You can follow the same instructions for CentOS and Rocky Linux.

  • An introduction (and how-to) to Plugin Loader for the Steam Deck. - Invidious
  • Self-host a Ghost Blog With Traefik

    Ghost is a very popular open-source content management system. Started as an alternative to WordPress and it went on to become an alternative to Substack by focusing on membership and newsletter. The creators of Ghost offer managed Pro hosting but it may not fit everyone's budget. Alternatively, you can self-host it on your own cloud servers. On Linux handbook, we already have a guide on deploying Ghost with Docker in a reverse proxy setup. Instead of Ngnix reverse proxy, you can also use another software called Traefik with Docker. It is a popular open-source cloud-native application proxy, API Gateway, Edge-router, and more. I use Traefik to secure my websites using an SSL certificate obtained from Let's Encrypt. Once deployed, Traefik can automatically manage your certificates and their renewals. In this tutorial, I'll share the necessary steps for deploying a Ghost blog with Docker and Traefik.

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