Security Hardening

FreeBSD 12 — punbb — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — punbb — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 October 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: punbb — NULL byte injection vulnerability Related CVEs: CVE-2006-4759 Upstream summary: CVE Mitre reports: PunBB 1.2.12 does not properly handle an avatar directory pathname ending in %00, which allows remote […]

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FreeBSD 12 — urban — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — urban — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 October 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: urban — stack overflow vulnerabilities Related CVEs: CVE-2005-2864 Upstream summary: Several filename-related stack overflow bugs allow a local attacker to elevate its privileges to the games group, since urban is […]

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Debian 9 — debian-edu-config — vulnerability — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — debian-edu-config — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 October 2019 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-3467 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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How to Install and Configure Julia on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install and Configure Julia on Debian 9

Introduction How to Install and Configure Julia on Debian 9 is a fundamental operation for any administrator maintaining a Debian 9 Stretch server. Debian 9 Stretch ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 9. […]

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Oracle Linux 8 — virt:ol — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — virt:ol — vulnerability — patch and remediation guide (ELSA-2019-1175)

🟠 High   ⏱ 15–60 min  Last verified: 11 October 2019 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-1175 Related CVEs: CVE-2018-12126 CVE-2018-12127 CVE-2018-12130 CVE-2018-20815 CVE-2019-11091 CVE-2019-3855 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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openSUSE Tumbleweed — libmodplug1 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libmodplug1 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2011:0943-1 (see also SUSE bugzilla) Related CVEs: CVE-2011-1761 CVE-2013-4233 CVE-2013-4234 Upstream summary: Multiple stack-based buffer overflows in the (1) abc_new_macro and (2) abc_new_umacro functions in src/load_abc.cpp in libmodplug before 0.8.8.3 allow remote […]

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Common Problems 118461

Ubuntu 16.04 LTS – /boot partition full blocks kernel upgrades – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 10 October 2019 Affected versions: Ubuntu 16.04 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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Common Problems 113448

Windows Server 2012 R2 — WinSxS Growth Exhausts C: and Breaks Patch Installation — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 10 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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How to Set Up Windows Server 2019 with Salt — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up Windows Server 2019 with Salt

How to Set Up Windows Server 2019 with Salt SaltStack (Salt) is a powerful configuration management and remote execution tool that supports Windows Server 2019 as a first-class managed platform. Salt uses a master/minion architecture where a Salt Master server manages Salt Minions installed on client machines. Salt states (written in YAML with Jinja2 templating) […]

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

openSUSE Tumbleweed — kinit — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2016:2217-1 (see also SUSE bugzilla) Related CVEs: CVE-2016-3100 Upstream summary: kinit in KDE Frameworks before 5.23.0 uses weak permissions (644) for /tmp/xauth-xxx-_y, which allows local users to obtain X11 cookies of other […]

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