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Security Leftovers

Submitted by Roy Schestowitz on Tuesday 28th of June 2022 07:14:34 PM Filed under
Security
  • Security updates for Tuesday [LWN.net]

    Security updates have been issued by Debian (nodejs and squid), Fedora (uboot-tools), Red Hat (kernel-rt, kpatch-patch, and python), SUSE (drbd, openssl-1_0_0, oracleasm, and rubygem-rack), and Ubuntu (curl).

  • 2022 CWE Top 25 Most Dangerous Software Weaknesses | CISA

    The Homeland Security Systems Engineering and Development Institute, sponsored by CISA and operated by MITRE, has released the 2022 Common Weakness Enumeration (CWE) Top 25 Most Dangerous Software Weaknesses list. The list uses data from the National Vulnerability Database to compile the most frequent and critical errors that can lead to serious vulnerabilities in software. An attacker can often exploit these vulnerabilities to take control of an affected system, obtain sensitive information, or cause a denial-of-service condition. This year’s list also incorporates updated weakness data for recent Common Vulnerabilities and Exposure records in the dataset that are part of CISA’s Known Exploited Vulnerabilities Catalog.

  • When Security Locks You Out of Everything

    Thought experiment story of someone of someone who lost everything in a house fire, and now can’t log into anything

    [...]

    Those risks are in the order of most common to least common, but that doesn’t necessarily mean that they are in risk order. They probably are, but then we’re left with no good way to handle someone who has lost all their digital credentials—computer, phone, backup, hardware token, wallet with ID cards—in a catastrophic house fire.

    I want to remind readers that this isn’t a true story. It didn’t actually happen. It’s a thought experiment.

  • Codenotary introduces Software Bill of Materials service for Kubernetes

    Software Bill of Materials (SBOM)s aren't optional anymore. If we really want the applications we're running in containers to be secure, we must know what's what within them. To make that easier, Codenotary, a leading software supply chain security company, is launching its new SBOM Operator for Kubernetes in both its open-source Community Attestation Service and its flagship service, Codenotary's Trustcenter.

  • Delaying the inevitable: Implementation of CERT-In’s Cybersecurity Directions gets a piecemeal extension

    On June 27, 2022, the Indian Computer Emergency Response Team (“CERT-In”) issued a notification (No. 20(3)/2022-CERT-In) in relation to the extension of timelines for partial enforcement of Cyber Security Directions of April 28, 2022 (“Directions”) issued under sub-section (6) of section 70B of the Information Technology (“IT”) Act, 2000. The Directions were scheduled to go into effect 60 days from the date of their notification. While the timelines for enforcement of the entire Directions have been extended for Micro, Small and Medium Enterprises (“MSMEs”), for Data Centres, Virtual Private Server (“VPS”) providers, Cloud Service providers and Virtual Private Network (“VPN”) service providers only specific requirements relating to the validation of subscribers/customers details have received a timeline extension. The new date for enforcement of the Directions for such entities and specific requirements is September 25, 2022.

  • CMC Electronics EFB breakout vulnerability | Pen Test Partners

    We’ve been finding vulnerabilities in electronic flight bags for a few years now. Disclosure response from the vendors involved has varied from excellent to radio silence.

    In every case we have tried extremely hard to engage with the vendors involved, even where we were ignored. We asked friendly OEMs and others in the supply chain to help encourage those who wouldn’t respond to us, but their efforts were ignored too.

    In some circumstances, it would be possible to affect take-off performance and landing calculations, resulting in significant safety events such as those here.

»

More in Tux Machines

today's howtos

  • How to Change Comment Color in Vim – Fix Unreadable Blue Color

    Are you annoyed about the comment color in vim? The dark blue color of the comment is often hard to read. In this tutorial, we learn how to change the comment color in Vim. There are few methods we can use to look vim comment very readable.

  • How to Add Repository to Debian

    APT checks the health of all the packages, and dependencies of the package before installing it. APT fetches packages from one or more repositories. A repository (package source) is basically a network server. The term "package" refers to an individual file with a .deb extension that contains either all or part of an application. The normal installation comes with default repositories configured, but these contain only a few packages out of an ocean of free software available. In this tutorial, we learn how to add the package repository to Debian.

  • Making a Video of a Single Window

    I recently wanted to send someone a video of a program doing some interesting things in a single X11 window. Recording the whole desktop is easy (some readers may remember my post on Aeschylus which does just that) but it will include irrelevant (and possibly unwanted) parts of the screen, leading to unnecessarily large files. I couldn't immediately find a tool which did what I wanted on OpenBSD [1] but through a combination of xwininfo, FFmpeg, and hk I was able to put together exactly what I needed in short order. Even better, I was able to easily post-process the video to shrink its file size, speed it up, and contort it to the dimension requirements of various platforms. Here's a video straight out of the little script I put together: [...]

  • Things You Can And Can’t Do

    And it got me thinking about what you can and can’t do — what you do and don’t have control over.

  • allow-new-zones in BIND 9.16 on CentOS 8 Stream under SELinux

    We run these training systems with SELinux enabled (I wouldn’t, but my colleague likes it :-), and that’s the reason I aborted the lab: I couldn’t tell students how to solve the cause other than by disabling SELinux entirely, but there wasn’t enough time for that.

  • Will the IndieWeb Ever Become Mainstream?

    This is an interesting question, thanks for asking it, Jeremy. I do have some history with the IndieWeb, and some opinions, so let’s dive in.

    The short answer to the question is a resounding no, and it all boils down to the fact that the IndieWeb is really complicated to implement, so it will only ever appeal to developers.

  • How to Install CUPS Print Server on Ubuntu 22.04

    If your business has multiple personal computers in the network which need to print, then we need a device called a print server. Print server act intermediate between PC and printers which accept print jobs from PC and send them to respective printers. CUPS is the primary mechanism in the Unix-like operating system for printing and print services. It can allow a computer to act as a Print server. In this tutorial, we learn how to set up CUPS print server on Ubuntu 22.04.

Open Hardware: XON/XOFF and Raspberry Pi Pico

  • From XON/XOFF to Forward Incremental Search

    In the olden days of computing, software flow control with control codes XON and XOFF was a necessary feature that dumb terminals needed to support. When a terminal received more data than it could display, there needed to be a way for the terminal to tell the remote host to pause sending more data. The control code 19 was chosen for this. The control code 17 was chosen to tell the remote host to resume transmission of data.

  • Raspberry Pi Pico Used in Plug and Play System Monitor | Tom's Hardware

    Dmytro Panin is at it again, creating a teeny system monitor for his MacBook from scratch with help from our favorite microcontroller, the Raspberry Pi Pico. This plug-and-play system monitor (opens in new tab) lets him keep a close eye on resource usage without having to close any windows or launch any third-party programs. The device is Pico-powered and plugs right into the MacBook to function. It has a display screen that showcases a custom GUI featuring four bar graphs that update in real-time to show the performance of different components, including the CPU, GPU, memory, and SSD usage. It makes it possible to see how hard your PC is running at a glance.

Security Leftovers

How to Apply Accent Colour in Ubuntu Desktop

A step-by-step tutorial on how to apply accent colour in Ubuntu desktop (GNOME) with tips for Kubuntu and others. Read more

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