🟡 Medium ⏱ 10–30 min Last verified: 31 January 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2021-4511 Related CVEs: CVE-2021-22876 CVE-2021-22925 CVE-2021-22898 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]
🟡 Medium ⏱ 5–30 min Last verified: 31 January 2021 📖 ~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 & Cross-Refs References & Further […]
🔴 Critical ⏱ 15–90 min Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read • Source: Arch ASA ASA-202002-12 Related CVEs: CVE-2020-9760 CVE-2020-9759 CVE-2020-8955 CVE-2017-8073 CVE-2017-14727 Upstream summary: Type: multiple issues. Status: Fixed. Affected: 2.7-2. Fixed in: 2.7.1-1. Group: AVG-1103. Table of contents Symptom & Impact Environment & […]
Single Packet Authentication is a method that grew out of earlier port knocking as a way of keeping services shielded until you request access through a predefined sequence of events. Single packet authentication does this by sending a single encrypted packet to the server in order, which can then validate the client and open the requested port. In this article, we will discuss how to use the fwknop suite to implement single packet authentication on an Ubuntu 12.04 VPS.
🟢 Low ⏱ 5–15 min Last verified: 31 January 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-7502-1 Related CVEs: CVE-2020-13756 Upstream summary: It was discovered that Horde Css Parser did not correctly handle parsing uncontrolled CSS data. An attacker could possibly use this issue to perform […]
This tutorial will walk you through the steps to set up a continuous deployment pipeline with GitLab on an Ubuntu machine.
🟠 High ⏱ 15–60 min Last verified: 31 January 2021 Affected versions: SLES 15 📖 ~4 min read • Source: SUSE advisory SUSE-SU-2021:1116-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-29136 CVE-2021-41190 Upstream summary: Open Container Initiative umoci before 0.4.7 allows attackers to overwrite arbitrary host paths via a crafted image that causes symlink traversal […]
Eine frühere Version dieses Tutorials wurde von Justin Ellingwood verfasst Postfix ist ein beliebter Open-Source [*Mail Transfer…
Laravel is an open source PHP framework that provides a set of tools and resources to build modern PHP applications. In this guide, you’ll install and configure a new Laravel application on an Ubuntu 18.04 server, using Composer to download and manage the framework dependencies. When you’re finished, you’ll have a functional Laravel demo application pulling content from a MySQL database.
🟡 Medium ⏱ 10–30 min Last verified: 30 January 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2022-1915 Related CVEs: CVE-2021-36160 CVE-2021-44224 CVE-2020-35452 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 […]
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