chris

Debian 11 — node-fresh — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — node-fresh — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-16119 Upstream summary: Fresh is a module used by the Express.js framework for HTTP response freshness testing. It is vulnerable to a regular expression denial of service when […]

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How to Configure MAC Framework on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure MAC Framework on FreeBSD 13

Introduction This guide explains how to Configure MAC Framework on FreeBSD 13 on FreeBSD 13. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for fine-grained privilege […]

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Debian 11 — vcftools — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — vcftools — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 27 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-11099 CVE-2018-11129 CVE-2018-11130 CVE-2019-1010127 Upstream summary: The header::add_INFO_descriptor function in header.cpp in VCFtools 0.1.15 allows remote attackers to cause information disclosure (heap-based buffer over-read) via a crafted vcf […]

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Ubuntu 20.04 — pulseaudio — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — pulseaudio — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 27 October 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4640-1 Related CVEs: CVE-2020-16123 CVE-2020-11931 https://launchpad.net/bugs/1877102 Upstream summary: James Henstridge discovered that an Ubuntu-specific patch caused PulseAudio to incorrectly handle snap client connections. An attacker could possibly use this to […]

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Oracle Linux 8 — libgcrypt — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — libgcrypt — vulnerability — patch and remediation guide (ELSA-2022-9564)

🟠 High   ⏱ 15–60 min  Last verified: 27 October 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9564 Related CVEs: CVE-2021-40528 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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Oracle Linux 8 — openssl — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — openssl — vulnerability — patch and remediation guide (ELSA-2021-5226)

🟡 Medium   ⏱ 10–30 min  Last verified: 27 October 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-5226 Related CVEs: CVE-2021-3712 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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AlmaLinux 8 — kpatch — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — kpatch — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2022:1987 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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FreeBSD 13 — linux-flock — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — linux-flock — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 27 October 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mozilla — multiple vulnerabilities Related CVEs: CVE-2007-4879 CVE-2007-5959 CVE-2008-0016 CVE-2008-0412 CVE-2008-0413 CVE-2008-0414 CVE-2008-0415 CVE-2008-0417  +12 more Upstream summary: The Mozilla Foundation reports: MFSA 2008-37 UTF-8 URL stack buffer overflow MFSA […]

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How to Set Up Work Folder Sync with AD Integration on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up Work Folder Sync with AD Integration on Windows Server 2019

Introduction to Work Folders Work Folders is a Windows Server role service that allows users to synchronize a folder on a central file server to their Windows devices—similar to a corporate Dropbox, but managed entirely on-premises. Unlike traditional offline files, Work Folders works through HTTPS on port 443, making it accessible from both domain-joined machines […]

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