Security Hardening

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

openSUSE Tumbleweed — rkhunter — 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-2008-4982 Upstream summary: rkhunter in rkhunter 1.3.2 allows local users to overwrite arbitrary files via a symlink attack on the /tmp/rkhunter-debug temporary file. NOTE: this […]

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How to Harden Nginx with Security Headers on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Harden Nginx with Security Headers on FreeBSD 12

Introduction How to Harden Nginx with Security Headers on FreeBSD 12 is a core administration task for any FreeBSD 12 server operator. FreeBSD 12 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for […]

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Common Problems 112487

Windows Server 2019 – Filesystem minifilter altitude conflict causes access denied spikes – Fix and Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 31 December 2019 Affected versions: Windows Server 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 […]

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How to Configure Rust on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Configure Rust on IBM AIX 7.1

Introduction IBM AIX 7.1 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 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure rust on ibm aix 7.1 on IBM AIX […]

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Gentoo Linux — dev-java/svgsalamander — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — dev-java/svgsalamander — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202003-11 Related CVEs: CVE-2017-5617 Upstream summary: A Server-Side Request Forgery was discovered in SVG Salamander. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution […]

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FreeBSD 12 — ruby+pthreads — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — ruby+pthreads — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 31 December 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: ruby — UTF-7 encoding XSS vulnerability in WEBrick Related CVEs: CVE-2006-5467 CVE-2006-6303 CVE-2008-1447 CVE-2008-2726 CVE-2008-3655 CVE-2008-3656 CVE-2008-3905 CVE-2009-1904  +1 more Upstream summary: The official ruby site reports: WEBrick have had […]

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Alpine Linux edge — file — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — file — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 5.37-r1 📖 ~4 min read  •  Source: Alpine secdb entry — file 5.37-r1 Related CVEs: CVE-2019-18218 CVE-2019-1543 CVE-2019-8904 CVE-2019-8905 CVE-2019-8906 CVE-2019-8907 Upstream summary: Alpine main repository for vedge ships file 5.37-r1 which addresses CVE-2019-18218. Table of […]

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FreeBSD 12 — exim-ldap — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — exim-ldap — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 31 December 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: exim — local privilege escalation Related CVEs: CVE-2004-0400 CVE-2005-0021 CVE-2005-0022 CVE-2011-0017 Upstream summary: exim.org reports: CVE-2011-0017 – check return value of setuid/setgid. This is a privilege escalation vulnerability whereby the […]

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Arch Linux — ntp — multiple vulnerabilities (16 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — ntp — multiple vulnerabilities (16 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-201803-11 Related CVEs: CVE-2018-7185 CVE-2018-7184 CVE-2018-7183 CVE-2018-7182 CVE-2018-7170 CVE-2016-1549 CVE-2016-9311 CVE-2016-9310  +8 more Upstream summary: Type: multiple issues. Status: Fixed. Affected: 4.2.8.p10-1. Fixed in: 4.2.8.p11-1. Group: AVG-647. Table of contents […]

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SLES 15 — ruby2.5-rubygem-activejob — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — ruby2.5-rubygem-activejob — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 31 December 2019 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-RU-2019:1820-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-16476 Upstream summary: A Broken Access Control vulnerability in Active Job versions >= 4.2.0 allows an attacker to craft user input which can cause Active […]

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CHAT