Security Hardening

How to Set Up a Certificate Authority with OpenSSL on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Set Up a Certificate Authority with OpenSSL on Debian 10

Introduction Deploying set up a certificate authority with openssl on debian 10 on a Debian 10 Buster machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. […]

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openSUSE Tumbleweed — terraform — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — terraform — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2020:0320-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-19316 Upstream summary: When using the Azure backend with a shared access signature (SAS), Terraform versions prior to 0.12.17 may transmit the token and state […]

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FreeBSD 12 — py26-django — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py26-django — multiple vulnerabilities (14 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 4 April 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: django — multiple vulnerabilities Related CVEs: CVE-2009-3695 CVE-2010-3082 CVE-2012-3442 CVE-2012-3443 CVE-2012-3444 CVE-2013-0305 CVE-2013-0306 CVE-2013-1443  +6 more Upstream summary: The Django project reports: These releases address an unexpected code-execution issue, a […]

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FreeBSD 12 — socat — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — socat — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 4 April 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: socat — diffie hellman parameter was not prime Related CVEs: CVE-2012-0219 CVE-2013-3571 CVE-2014-0019 Upstream summary: socat reports: In the OpenSSL address implementation the hard coded 1024 bit DH p parameter […]

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Ubuntu 16.04 — tcpdump — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — tcpdump — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 4 April 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5331-1 Related CVEs: CVE-2018-16301 CVE-2020-8037 CVE-2017-16808 CVE-2018-10103 CVE-2018-10105 CVE-2018-14461 CVE-2018-14462 CVE-2018-14463  +12 more Upstream summary: It was discovered that tcpdump incorrectly handled certain inputs. An attacker could possibly use this […]

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SLES 12 — bubblewrap — vulnerability — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — bubblewrap — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 4 April 2020 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2019:1826-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-12439 Upstream summary: bubblewrap.c in Bubblewrap before 0.3.3 misuses temporary directories in /tmp as a mount point. In some particular configurations (related to XDG_RUNTIME_DIR), a […]

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How to Install containerd as a Container Runtime on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install containerd as a Container Runtime on RHEL 7

How to Install containerd as a Container Runtime on RHEL 7 containerd is a high-performance, industry-standard container runtime that serves as the foundation beneath both Docker and Kubernetes. When Kubernetes deprecated the Dockershim in version 1.20 and removed it in version 1.24, containerd became the most widely adopted direct container runtime for Kubernetes clusters. Installing […]

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openSUSE Tumbleweed — librttopo1 — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — librttopo1 — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2022:10042-1 (see also SUSE bugzilla) Related CVEs: CVE-2017-18359 Upstream summary: PostGIS 2.x before 2.3.3, as used with PostgreSQL, allows remote attackers to cause a denial of service via crafted ST_AsX3D function input, […]

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CHAT