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Security Leftovers

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  • 8 Great Static Application Security Testing Tools

    No matter how good an app is made and how talented and experienced the team behind it is, you can never render it safe without adequate testing.

    Testing apps is done in a number of different ways, from deliberately trying to compromise the security of an app to analyze every line of the code for potential vulnerabilities.

    Static Application Security Testing (SAST), or static analysis, is a set of technologies designed to scan and analyze source code to find security vulnerabilities, which helps developers fix security issues.

  • Wormable DarkRadiation Ransomware Targets Linux and Docker Instances [Ed: Microsoft has NSA back doors, but let's focus on what can be done on "Linux" provided it is already compromised, somehow...]

    DarkRadiation's infection chain involves a multi-stage attack process and is noteworthy for its extensive reliance on Bash scripts to retrieve the malware and encrypt the files as well as Telegram API to communicate with the C2 server via hardcoded API keys.

  • Do you want speed or security as expected? Spectre CPU defenses can cripple performance on Linux in tests [Ed: Let's talk not about Microsoft back doors but about how hardware defects (nothing to do with Linux) can cause Linux to slow down a bit]

    The mitigations applied to exorcise Spectre, the family of data-leaking processor vulnerabilities, from computers hinders performance enough that disabling protection for the sake of speed may be preferable for some.

    Disclosed in 2018 and affecting designs by Intel, Arm, AMD and others to varying degrees, these speculative execution flaws encompass multiple variants. They can be potentially exploited by malware via various techniques to extract sensitive information, such as cryptographic keys and authentication tokens, from operating system and application memory that should be off limits.

    Though a lot of research has gone into the Spectre flaws, and work done to prevent their exploitation, basically no miscreants are abusing the weaknesses in the real world to steal information, to the best of our knowledge. There in lies the rub; does one keep the protections on and take whatever performance hit arises (it does depend enormously on the type of workload running) or switch them off because the risk is low? Or, from another point of view, put speed promised by chip manufacturers over security that was supposed to be present.

  • Software bills of materials (SBOM) could help improve cybersecurity - CNX Software

    There have been some widely publicized hacks in recent months including the SolarWinds hack and the Colonial pipeline cyber attack. Those two were particularly costly and disruptive, and the US government issued an executive order that lists some of the requirements to stretch cybersecurity.

  • Security updates for Tuesday

    Security updates have been issued by Fedora (audacity), openSUSE (chromium), Oracle (glib2), SUSE (Salt and salt), and Ubuntu (apache2 and openexr).

More in Tux Machines

digiKam 7.7.0 is released

After three months of active maintenance and another bug triage, the digiKam team is proud to present version 7.7.0 of its open source digital photo manager. See below the list of most important features coming with this release. Read more

Dilution and Misuse of the "Linux" Brand

Samsung, Red Hat to Work on Linux Drivers for Future Tech

The metaverse is expected to uproot system design as we know it, and Samsung is one of many hardware vendors re-imagining data center infrastructure in preparation for a parallel 3D world. Samsung is working on new memory technologies that provide faster bandwidth inside hardware for data to travel between CPUs, storage and other computing resources. The company also announced it was partnering with Red Hat to ensure these technologies have Linux compatibility. Read more

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

    Ansible Molecule is a project to help you test your ansible roles. I’m using molecule for automatically testing the ansible roles of geekoops.

  • 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.