November 2021 - Page 51 of 64

How to Scan for Vulnerabilities with OpenVAS on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Scan for Vulnerabilities with OpenVAS on RHEL 8

OpenVAS (Open Vulnerability Assessment System), now distributed as Greenbone Community Edition, is a powerful open-source vulnerability scanner that identifies known CVEs, misconfigurations, and weak credentials across your network. Running it as a containerized stack on RHEL 8 keeps the scanner isolated and easy to update without conflicting with system packages. This tutorial covers deploying Greenbone […]

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Arch Linux — jdk11-openjdk — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — jdk11-openjdk — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202107-53 Related CVEs: CVE-2021-2388 CVE-2021-2369 CVE-2021-2341 Upstream summary: Type: multiple issues. Status: Fixed. Affected: 11.0.11.u9-1. Fixed in: 11.0.12.u7-1. Group: AVG-2189. Table of contents Symptom & Impact Environment & Reproduction Root […]

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How to Install and Configure Ansible on Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

How to Install and Configure Ansible on Ubuntu 18.04

Configuration management systems are designed to make controlling large numbers of servers easy for administrators and operations teams. They allow you to control many different systems in an automated way from one central location. In this guide, we will discuss how to install Ansible on an Ubuntu 18.04 machine and go over some basics of how to use the software.

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FreeBSD 13 — proftpd-devel — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — proftpd-devel — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 6 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: proftpd — arbitrary code execution vulnerability with chroot Related CVEs: CVE-2008-4242 CVE-2008-4247 CVE-2009-0542 CVE-2009-0543 Upstream summary: The FreeBSD security advisory FreeBSD-SA-11:07.chroot reports: If ftpd is configured to place a user […]

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FreeBSD 13 — avahi — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — avahi — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: avahi — denial of service Related CVEs: CVE-2010-2244 CVE-2011-1002 Upstream summary: Avahi developers reports: A vulnerability has been reported in Avahi, which can be exploited by malicious people to cause […]

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How to Set Up a Git Server with Gitea on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Set Up a Git Server with Gitea on FreeBSD 13

Introduction Deploying set up a git server with gitea on freebsd 13 on a FreeBSD 13 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely […]

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AlmaLinux 8 — greenboot — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — greenboot — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2022:1902 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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FreeBSD 13 — kdepimlibs — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — kdepimlibs — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: kdepimlibs — directory traversal on KTNEF Upstream summary: Albert Aastals Cid reports: A directory traversal issue was found in KTNEF which can be exploited by tricking a user into opening […]

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FreeBSD 13 — rubygem18-activemodel — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — rubygem18-activemodel — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Ruby Activemodel Gem — Circumvention of attr_protected Related CVEs: CVE-2013-0276 Upstream summary: Aaron Patterson reports: The attr_protected method allows developers to specify a blacklist of model attributes which users should […]

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AlmaLinux 8 — trousers — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — trousers — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2021:1627 Related CVEs: CVE-2020-24330 CVE-2020-24331 CVE-2020-24332 Upstream summary: TrouSerS is an implementation of the Trusted Computing Group's Software Stack (TSS) specification. TrouSerS enables the user to write applications that make use of […]

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