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Hardening Virtio for emerging security usecases

Traditionally, when looking at a virtio device and its corresponding virtio driver, we assume the device is trusted by the driver. We do, however, need to protect the virtio device from a possible malicious virtio driver.

Red Hat Blog
#vulnerability#mac#linux#dos
How Should I Think About Security When Considering Digital Transformation Projects?

Digital transformation helps businesses keep operating and stay competitive. Here are the ways to think about security so that businesses reap the benefits without taking on associated risks.

CVE-2022-31071

Octopoller is a micro gem for polling and retrying. Version 0.2.0 of the octopoller gem was published containing world-writeable files. Specifically, the gem was packed with files having their permissions set to `-rw-rw-rw-` (i.e. 0666) instead of `rw-r--r--` (i.e. 0644). This means everyone who is not the owner (Group and Public) with access to the instance where this release had been installed could modify the world-writable files from this gem. This issue is patched in Octopoller 0.3.0. Two workarounds are available. Users can use the previous version of the gem, v0.1.0. Alternatively, users can modify the file permissions manually until they are able to upgrade to the latest version.

Cloudflare Thwarted Largest Ever HTTPS DDoS Attack

By Deeba Ahmed The DDoS attack originated from 121 countries and was powered by a small botnet of only 5,067 hacked… This is a post from HackRead.com Read the original post: Cloudflare Thwarted Largest Ever HTTPS DDoS Attack

CVE-2021-41403: Server-side request forgery vulnerability (SSRF) · Issue #60 · flatCore/flatCore-CMS

flatCore-CMS version 2.0.8 calls dangerous functions, causing server-side request forgery vulnerabilities.

GHSA-g28x-pgr3-qqx6: Octokit gem published with world-writable files

### Impact Versions [4.23.0](https://rubygems.org/gems/octokit/versions/4.23.0) and [4.24.0](https://rubygems.org/gems/octokit/versions/4.24.0) of the octokit gem were published containing world-writeable files. Specifically, the gem was packed with files having their permissions set to `-rw-rw-rw-` (i.e. 0666) instead of `rw-r--r--` (i.e. 0644). This means everyone who is not the owner (Group and Public) with access to the instance where this release had been installed could modify the world-writable files from this gem. Malicious code already present and running on your machine, separate from this package, could modify the gem’s files and change its behavior during runtime. ### Patches * [octokit 4.25.0](https://rubygems.org/gems/octokit/versions/4.25.0) ### Workarounds Users can use the previous version of the gem [v4.22.0](https://rubygems.org/gems/octokit/versions/4.22.0). Alternatively, users can modify the file permissions manually until they are able to upgrade to the la...

GHSA-26qj-cr27-r5c4: Octopoller gem published with world-writable files

### Impact Version [0.2.0](https://rubygems.org/gems/octopoller/versions/0.2.0) of the octopoller gem was published containing world-writeable files. Specifically, the gem was packed with files having their permissions set to `-rw-rw-rw-` (i.e. 0666) instead of `rw-r--r--` (i.e. 0644). This means everyone who is not the owner (Group and Public) with access to the instance where this release had been installed could modify the world-writable files from this gem. Malicious code already present and running on your machine, separate from this package, could modify the gem’s files and change its behavior during runtime. ### Patches * octopoller 0.3.0 ### Workarounds Users can use the previous version of the gem [v0.1.0](https://rubygems.org/gems/octopoller/versions/0.1.0). Alternatively, users can modify the file permissions manually until they are able to upgrade to the latest version.

CVE-2022-28749: Security Bulletin

Zooms On-Premise Meeting Connector MMR before version 4.8.113.20220526 fails to properly check the permissions of a Zoom meeting attendee. As a result, a threat actor in the Zooms waiting room can join the meeting without the consent of the host.

CVE-2022-21180: INTEL-SA-00645

Improper input validation for some Intel(R) Processors may allow an authenticated user to potentially cause a denial of service via local access.

CVE-2022-30669: Adobe Security Bulletin

Adobe Illustrator versions 26.0.2 (and earlier) and 25.4.5 (and earlier) are affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious file.