Operations

Debian 11 — openvswitch — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — openvswitch — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • May 8, 2022
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 8 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-3449 CVE-2015-8011 CVE-2016-10377 CVE-2016-2074 CVE-2017-14970 CVE-2017-9214 CVE-2017-9263 CVE-2017-9264  +12 more Upstream summary: Open vSwitch 1.4.2 uses world writable permissions for (1) /var/lib/openvswitch/pki/controllerca/incoming/ and (2) /var/lib/openvswitch/pki/switchca/incoming/, which allows local […]

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Ubuntu 20.04 — pdns — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — pdns — multiple vulnerabilities (6 CVEs) — patch and remediation guide

  • May 8, 2022
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 8 May 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7203-1 Related CVEs: CVE-2018-1046 CVE-2018-10851 CVE-2018-14626 CVE-2018-14644 CVE-2020-17482 CVE-2022-27227 Upstream summary: Wei Hao discovered that PowerDNS Authoritative Server incorrectly handled memory when accessing certain files. An attacker could possibly use […]

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Ubuntu 20.04 — cryptsetup — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — cryptsetup — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • May 8, 2022
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 8 May 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5286-1 Related CVEs: CVE-2021-4122 CVE-2020-14382 Upstream summary: Milan Broz discovered that cryptsetup incorrectly handled LUKS2 reencryption recovery. An attacker with physical access to modify the encrypted device header may trigger […]

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Amazon Linux 2 — xdg-utils — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — xdg-utils — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • May 8, 2022
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2023-2002 Related CVEs: CVE-2020-27748 CVE-2022-4055 Upstream summary: A flaw was found in the xdg-email component of xdg-utils-1.1.0-rc1 and newer. When handling mailto: URIs, xdg-email allows attachments to be discreetly added […]

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Ubuntu 14.04 — libhttp-daemon-perl — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — libhttp-daemon-perl — vulnerability — patch and remediation guide

  • May 8, 2022
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 8 May 2022 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5520-2 Related CVEs: CVE-2022-31081 Upstream summary: USN-5520-1 fixed a vulnerability in HTTP-Daemon. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: It […]

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Oracle Linux 8 — php:7.4 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — php:7.4 — vulnerability — patch and remediation guide (ELSA-2022-1935)

  • May 8, 2022
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 8 May 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-1935 Related CVEs: CVE-2021-21703 CVE-2021-21705 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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IBM AIX 7.3 — CVE-2007-1945 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2007-1945 — vulnerability — patch and remediation guide

🟠 High   ⏱ 30–90 min  Last verified: 8 May 2022 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2007-1945, IBM Support Bulletin CVE: CVE-2007-1945 NVD summary: Unspecified vulnerability in the Servlet Engine/Web Container in IBM WebSphere Application Server (WAS) before 6.1.0.7 has unknown impact and attack vectors. References: osvdb.org/41605   […]

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

openSUSE Tumbleweed — libgda — vulnerability — patch and remediation guide

  • May 8, 2022
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2022:3016-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-39359 Upstream summary: In GNOME libgda through 6.0.0, gda-web-provider.c does not enable TLS certificate verification on the SoupSessionSync objects it creates, leaving users vulnerable to […]

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How to Install WooCommerce on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Install WooCommerce on CentOS Stream 9

  • May 8, 2022
  • CentOS
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Introduction How to Install WooCommerce on CentOS Stream 9 on CentOS Stream 9 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 is reproducible […]

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