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Security Leftovers

Submitted by Roy Schestowitz on Friday 11th of September 2020 05:20:12 PM Filed under
Security
  • New Vulnerability, BLURtooth, Attacks Bluetooth Devices

    It seems nothing is safe from technology attacks these days. Attackers will find a way to attack any device or service that it is able to. A recent vulnerability, BLURtooth, attacks the component used for setting up authentication keys when pairing Bluetooth-capable devices. Yes, even that is something you need to worry about not being safe.

  • Security updates for Friday

    Security updates have been issued by Debian (python-pip), Fedora (kernel, libX11, and xen), openSUSE (go1.14), Oracle (libcroco, php:7.3, and postgresql:10), Red Hat (chromium-browser and httpd:2.4), and SUSE (gimp, golang-github-prometheus-prometheus, kernel, libxml2, pdsh, slurm_20_02, slurm, slurm_18_08, and tomcat).

  • Josh Bressers: We take security seriously, VERY SRSLY!

    Every company tells you they take security seriously. Some even take it very seriously. But do they? I started to think about this because of a recent Slack bug. I think there are a lot of interesting things we can look at to decide if a company is taking security seriously or if the company thinks security is just a PR problem. I’m going to call the behavior we want to look at “security signals”.

    On August 28, 2020 a remote code execution (RCE) bug was made public from the Slack bug bounty program. This bug really got me thinking about how a company or project signals their security maturity to the world. Unless you’ve been living under a rock, you know Slack has become one of the most popular communication platforms of the modern era, one would assume Slack has some of the best security around. It turns out the security signals from Slack are pretty bad.

    Let’s first focus on the Slack public bug bounty. Having a bug bounty is often a good sign that you consider security important. In the case of Slack however it’s a signal against. Their bounties are comically low.

  • Cyber security is next frontier for open source

    Cyber security is the next frontier for the open source development model that will improve security visibility and bring different security silos together, according to an IBM Security expert.

    Speaking at the recent IBM Security Virtual Summit 2020 in ASEAN, Justin Youngblood, vice-president for IBM Security, said like most IT environments, the security landscape in many organisations is often dotted with security tools that protect a plethora of workloads on the cloud and in the datacentre.

    As a result, security teams have been overwhelmed in trying to put together disconnected tools that generate a lot of data but without insights, leaving organisations with little resources left to adequately protect themselves against cyber attacks.

    “As an industry, we have to reimagine security,” Youngblood said. “We need a different approach than the one that got us here. We must improve security visibility, we must respond faster to the growing threat landscape, we must embed security into and keep up with the pace of business transformation.”

»

Security researchers from Amsterdam have publicly detailed...

Submitted by Roy Schestowitz on Friday 11th of September 2020 05:23:00 PM.
  • Security Researchers Detail New "BlindSide" Speculative Execution Attack

    Security researchers from Amsterdam have publicly detailed "BlindSide" as a new speculative execution attack vector for both Intel and AMD processors.

    BlindSide is self-described as being able to "mount BROP-style attacks in the speculative execution domain to repeatedly probe and derandomize the kernel address space, craft arbitrary memory read gadgets, and enable reliable exploitation. This works even in face of strong randomization schemes, e.g., the recent FGKASLR or fine-grained schemes based on execute-only memory, and state-of-the-art mitigations against Spectre and other transient execution attacks."

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