Security Hardening

Common Problems 113616

Windows Server 2012 R2 – Secure Boot blocks legacy unsigned driver at startup – Fix and Prevention

🟠 High   ⏱ 5–30 min  Last verified: 29 October 2019 Affected versions: Windows Server 2012 R2 📖 ~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 […]

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Common Problems 113075

Windows Server 2016 – SMB share and NTFS permission collision causing read-only mounts – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 29 October 2019 Affected versions: Windows Server 2016 📖 ~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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FreeBSD 12 — linux-unace — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — linux-unace — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 October 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: unace — multiple vulnerabilities Related CVEs: CVE-2005-0160 CVE-2005-0161 Upstream summary: Ulf Härnhammar reports: There are buffer overflows when extracting, testing or listing specially prepared ACE archives. There are directory traversal […]

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How to Configure SSH Key Authentication on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Configure SSH Key Authentication on SLES 15

Introduction This tutorial covers How to Configure SSH Key Authentication on SLES 15 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. Prerequisites Ensure your SLES 15 system is up to date: zypper […]

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How to Use sar for System Activity Reporting on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Use sar for System Activity Reporting on IBM AIX 7.2

Introduction IBM AIX 7.2 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to use sar for system activity reporting on ibm aix […]

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FreeBSD 12 — mod_python — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — mod_python — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 October 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mod_python — information leakage vulnerability Related CVEs: CVE-2003-0973 CVE-2005-0088 Upstream summary: Mark J Cox reports: Graham Dumpleton discovered a flaw which can affect anyone using the publisher handle of the […]

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FreeBSD 12 — turba — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — turba — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 October 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: turba — Cross site scripting vulnerabilities in several of the address book name and contact data fields Upstream summary: Announce of Turba H3 (2.0.5) (final): This [2.0.5] is a security […]

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

openSUSE Tumbleweed — ktexteditor — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2018-10361 Upstream summary: An issue was discovered in KTextEditor 5.34.0 through 5.45.0. Insecure handling of temporary files in the KTextEditor's kauth_ktexteditor_helper service (as utilized in […]

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FreeBSD 12 — timidity++-slang — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — timidity++-slang — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 29 October 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: TiMidity++ — Multiple vulnerabilities Related CVEs: CVE-2017-11546 CVE-2017-11547 CVE-2017-11549 Upstream summary: qflb.wu of DBAPPSecurity reports: Ihe insert_note_steps function in readmidi.c in TiMidity++ 2.14.0 can cause a denial of service(divide-by-zero error […]

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Common Problems 118105

Ubuntu 18.04 LTS – failed unattended-upgrades leave packages unconfigured

🟠 High   ⏱ 5–30 min  Last verified: 28 October 2019 Affected versions: Ubuntu 18.04 LTS Ubuntu 18.04 Ubuntu 18.04.6 📖 ~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 […]

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