Operations

Ubuntu 16.04 — yara — multiple vulnerabilities (17 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — yara — multiple vulnerabilities (17 CVEs) — patch and remediation guide

  • January 24, 2021
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 24 January 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8080-1 Related CVEs: CVE-2018-19976 CVE-2017-9304 CVE-2018-19974 CVE-2017-8294 CVE-2018-12034 CVE-2017-8929 CVE-2021-45429 CVE-2017-11328  +9 more Upstream summary: Kamil Frankowicz discovered that a number of YARA's functions generated memory exceptions when processing specially […]

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How to Deploy a Flask Application with Gunicorn and Nginx on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Deploy a Flask Application with Gunicorn and Nginx on RHEL 7

  • January 24, 2021
  • Linux
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How to Deploy a Flask Application with Gunicorn and Nginx on RHEL 7 Flask is a lightweight Python web framework ideal for building APIs and web applications. While Flask’s built-in development server is useful for testing, it is not suitable for production workloads. The standard production stack on RHEL 7 combines Gunicorn as a WSGI […]

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Oracle Linux 8 — .NET 5.0 security and bugfix update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — .NET 5.0 security and bugfix update

  • January 23, 2021
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 23 January 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-0830 Related CVEs: CVE-2022-24464 CVE-2022-24512 CVE-2020-8927 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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FreeBSD 12 — py36-pillow — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py36-pillow — multiple vulnerabilities (6 CVEs) — patch and remediation guide

  • January 23, 2021
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 23 January 2021 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Pillow — Multiple vulnerabilities Related CVEs: CVE-2019-16865 CVE-2019-19911 CVE-2020-5310 CVE-2020-5311 CVE-2020-5312 CVE-2020-5313 Upstream summary: Pillow developers report: This release addresses several security problems, as well as addressing CVE-2019-19911. CVE-2019-19911 is […]

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How to Install Nginx via AIX Toolbox on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Install Nginx via AIX Toolbox on IBM AIX 7.1

  • January 23, 2021
  • IBM AIX
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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 install nginx via aix toolbox on ibm aix 7.1 […]

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

Ubuntu 20.04 — maven — vulnerability — patch and remediation guide

  • January 23, 2021
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 23 January 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5245-1 Related CVEs: CVE-2021-26291 Upstream summary: It was discovered that Apache Maven followed repositories that are defined in a dependency's Project Object Model (pom) even if the repositories weren't encrypted […]

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How to Configure Apache as a Reverse Proxy on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Configure Apache as a Reverse Proxy on SLES 15

Introduction This tutorial covers How to Configure Apache as a Reverse Proxy on SLES 15 on SLES 15. SLES 15 (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 15 system is up to […]

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Ubuntu 18.04 — qpdf — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — qpdf — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • January 23, 2021
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 23 January 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5026-1 Related CVEs: CVE-2018-18020 CVE-2021-36978 Upstream summary: It was discovered that QPDF incorrectly handled certain malformed PDF files. A remote attacker could use this issue to cause QPDF to consume […]

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How to Set Up Uptime Kuma on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Set Up Uptime Kuma on Oracle Linux 8

Introduction How to Set Up Uptime Kuma on Oracle Linux 8 on Oracle Linux 8 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration […]

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Oracle Linux 8 — httpd:2.4 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — httpd:2.4 — vulnerability — patch and remediation guide (ELSA-2022-9276)

  • January 23, 2021
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 23 January 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9276 Related CVEs: CVE-2021-33193 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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