Security Hardening

Common Problems 118027

Ubuntu 18.04 Time Drift Causes TLS Certificate Validation Failures

🟡 Medium   ⏱ 5–30 min  Last verified: 10 July 2019 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]

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Common Problems 117998

Ubuntu 18.04 LTS – journal logs fill root filesystem unexpectedly – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 10 July 2019 Affected versions: Ubuntu 18.04 LTS 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]

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How to Set Up SLES 15 with Podman in Rootless Mode — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Set Up SLES 15 with Podman in Rootless Mode

Introduction This tutorial covers How to Set Up SLES 15 with Podman in Rootless Mode on SLES 15. SLES 15 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Step 1 — Install Podman zypper install -y podman […]

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FreeBSD 12 — zh-wordpress — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — zh-wordpress — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 10 July 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: wordpress — multiple vulnerabilities Related CVEs: CVE-2007-4894 CVE-2007-5710 CVE-2008-4107 CVE-2008-5278 CVE-2014-9033 CVE-2014-9034 CVE-2014-9035 CVE-2014-9036  +3 more Upstream summary: MITRE reports: wp-login.php in WordPress before 3.7.5, 3.8.x before 3.8.5, 3.9.x before […]

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Arch Linux — gst-plugins-good — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — gst-plugins-good — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201702-3 Related CVEs: CVE-2017-5845 CVE-2017-5841 CVE-2017-5840 CVE-2016-10199 CVE-2016-10198 Upstream summary: Type: denial of service. Status: Fixed. Affected: 1.10.2-1. Fixed in: 1.10.3-1. Group: AVG-163. Table of contents Symptom & Impact Environment […]

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Ubuntu 18.04 — libmatio — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — libmatio — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 July 2019 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5185-1 Related CVEs: CVE-2019-17533 Upstream summary: It was discovered that MATIO incorrectly handled certain inputs. An attacker could possibly use this issue to cause a denial of service or obtain […]

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Arch Linux — lib32-libtirpc — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — lib32-libtirpc — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201705-6 Related CVEs: CVE-2017-8779 Upstream summary: Type: denial of service. Status: Fixed. Affected: 1.0.1-1. Fixed in: 1.0.1-2. Group: AVG-263. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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How to Configure Azure Backup for Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Configure Azure Backup for Windows Server 2019

Introduction to Azure Backup for Windows Server 2019 Azure Backup is Microsoft’s cloud-native backup service that extends data protection to Windows Server 2019 without the need to manage your own offsite backup infrastructure. It stores backups in Azure Recovery Services Vaults, which provide geo-redundant storage by default. The service supports file-and-folder backups, system state backups, […]

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SLES 15 — liblzo2 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — liblzo2 — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 10 July 2019 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2014:0904-1 (see also SUSE bugzilla) Related CVEs: CVE-2014-4607 Upstream summary: Integer overflow in the LZO algorithm variant in Oberhumer liblzo2 and lzo-2 before 2.07 on 32-bit platforms might allow remote attackers to […]

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SLES 12 — libshibsp6 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — libshibsp6 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 10 July 2019 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2019:3386-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-19191 CVE-2017-16852 Upstream summary: Shibboleth Service Provider (SP) 3.x before 3.1.0 shipped a spec file that calls chown on files in a directory controlled by […]

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