November 2019 - Page 21 of 66

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

FreeBSD 12 — apache-peruser — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Apache — Insecure LD_LIBRARY_PATH handling Related CVEs: CVE-2011-3192 CVE-2012-0883 Upstream summary: Apache reports: Insecure handling of LD_LIBRARY_PATH was found that could lead to the current working directory to be searched […]

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Common Problems 115921

Ubuntu 26.04 LTS – apt update fails with missing GPG key – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Ubuntu 26.04 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 Install WooCommerce on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Install WooCommerce on SLES 12

Introduction This tutorial covers How to Install WooCommerce on SLES 12 on SLES 12. SLES 12 (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 12 system is up to date: zypper refresh && […]

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

FreeBSD 12 — postnuke — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: postnuke — admin section SQL injection Related CVEs: CVE-2005-0615 CVE-2005-0616 CVE-2005-0617 CVE-2005-1621 CVE-2005-1695 CVE-2005-1696 CVE-2005-1698 CVE-2005-1777  +3 more Upstream summary: ISS X-Force reports: PostNuke is vulnerable to SQL injection. A […]

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FreeBSD 12 — roundcube — multiple vulnerabilities (16 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — roundcube — multiple vulnerabilities (16 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Roundcube — Multiple vulnerabilities Related CVEs: CVE-2008-5619 CVE-2009-0413 CVE-2011-2937 CVE-2012-3508 CVE-2013-1904 CVE-2015-5381 CVE-2015-5383 CVE-2016-5103  +8 more Upstream summary: The Roundcube project reports: Cross-Site-Scripting vulnerability via SVG’s animate tag Information Disclosure […]

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Common Problems 113110

Windows Server 2016 — Firewall profile switches to Public and blocks domain traffic — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 30 May 2026 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 — rubygem-doorkeeper-rails — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — rubygem-doorkeeper-rails — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: rubygem-doorkeeper — token revocation vulnerability Related CVEs: CVE-2018-1000211 Upstream summary: NVD reports: Doorkeeper version 4.2.0 and later contains a Incorrect Access Control vulnerability in Token revocation API's authorized method that […]

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

FreeBSD 12 — jabber — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: fd_set — bitmap index overflow in multiple applications Related CVEs: CVE-2004-1378 Upstream summary: 3APA3A reports: If programmer fails to check socket number before using select() or fd_set macros, it's possible […]

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What is a Packet? — step-by-step DevOps tutorial on Progressive Robot

What is a Packet?

Packets are the basic units of data transmitted through a TCP/IP network. Originally conceived as a way to transmit data without a pre-established connection, packets make dynamic data transference possible. Packet data fall into two categories: control information (source and destination network…

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How to Set Up Fail2ban on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Set Up Fail2ban on FreeBSD 12

Introduction FreeBSD 12 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up set up fail2ban on freebsd 12 on FreeBSD 12 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux distribution. […]

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