Logging Monitoring

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

Oracle Linux 8 — thunderbird — vulnerability — patch and remediation guide (ELSA-2021-0089)

🔴 Critical   ⏱ 15–90 min  Last verified: 2 February 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-0089 Related CVEs: CVE-2020-16044 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 Xdebug for PHP on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install Xdebug for PHP on RHEL 8

Xdebug is the de facto debugging and profiling extension for PHP, giving you step-by-step execution, variable inspection, stack traces, and code coverage reports. Installing it on RHEL 8 requires a few extra steps compared to other distributions because RHEL’s default PHP packages do not include Xdebug in their repos. This tutorial walks through installation from […]

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Oracle Linux 8 — opensc security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — opensc security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2020-4483)

🟡 Medium   ⏱ 10–30 min  Last verified: 1 February 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-4483 Related CVEs: CVE-2019-15946 CVE-2019-19481 CVE-2019-15945 CVE-2019-19479 CVE-2019-20792 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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Debian 10 — uriparser — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — uriparser — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 February 2021 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-46141 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 Set Up IPsec VPN with Libreswan on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Set Up IPsec VPN with Libreswan on Oracle Linux 8

Introduction Oracle Linux 8 ships with a stable, security-hardened base that makes deploying set up ipsec vpn with libreswan on oracle linux 8 both straightforward and auditable. This tutorial covers the complete procedure for how to Set Up IPsec VPN with Libreswan on Oracle Linux 8, including dnf module streams where applicable, systemd unit management, […]

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Ubuntu 20.04 — opensaml — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — opensaml — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 February 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7364-1 Related CVEs: https://launchpad.net/bugs/2103420 Upstream summary: Alexander Tan discovered that the OpenSAML C++ library was susceptible to forging of signed SAML messages. An attacker could possibly use this issue to […]

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Ubuntu 18.04 — linux-oracle-5.0 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — linux-oracle-5.0 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 1 February 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4325-1 Related CVEs: CVE-2019-19046 CVE-2020-8428 CVE-2019-19053 CVE-2019-19056 CVE-2019-19058 CVE-2019-19059 CVE-2019-19066 CVE-2019-19068  +12 more Upstream summary: It was discovered that the IPMI message handler implementation in the Linux kernel did not […]

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Ubuntu 16.04 — libxstream-java — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — libxstream-java — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 1 February 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6978-1 Related CVEs: CVE-2016-3674 CVE-2020-26217 CVE-2020-26258 CVE-2020-26259 CVE-2021-21341 CVE-2021-21342 CVE-2021-21343 CVE-2021-21344  +12 more Upstream summary: It was discovered that XStream incorrectly handled parsing of certain crafted XML documents. A remote […]

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How to Configure syslog-ng on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Configure syslog-ng 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 configure syslog-ng 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. This […]

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Ubuntu 18.04 — flac — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — flac — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 1 February 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6360-2 Related CVEs: CVE-2020-22219 CVE-2017-6888 CVE-2020-0499 CVE-2021-0561 Upstream summary: USN-6360-1 fixed a vulnerability in FLAC. This update provides the corresponding update for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, and Ubuntu […]

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