🟡 Medium ⏱ 10–30 min Last verified: 20 June 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2015-8803 CVE-2015-8804 CVE-2015-8805 CVE-2016-6489 CVE-2018-16869 CVE-2021-20305 CVE-2021-3580 Upstream summary: The ecc_256_modp function in ecc-256.c in Nettle before 3.2 does not properly handle carry propagation and produces incorrect output […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALEA-2022:2029 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]
🟠 High ⏱ 5–30 min Last verified: 20 June 2022 Affected versions: Windows Server 2012 R2 📖 ~2 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 […]
🟡 Medium ⏱ 10–30 min Last verified: 20 June 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2007-6062 CVE-2008-0285 CVE-2009-4652 CVE-2020-14148 Upstream summary: irc-channel.c in ngIRCd before 0.10.3 allows remote attackers to cause a denial of service (crash) via a JOIN command without a channel […]
Introduction Deploying configure lvm thin provisioning on debian 11 on a Debian 11 Bullseye machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Ensure Debian […]
Introduction IBM AIX 7.2 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 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure persistent reserve with scsi on ibm aix 7.2 […]
🟡 Medium ⏱ 10–30 min Last verified: 20 June 2022 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5464-1 Related CVEs: CVE-2022-1304 CVE-2019-5188 CVE-2019-5094 Upstream summary: Nils Bars discovered that e2fsprogs incorrectly handled certain file systems. A local attacker could use this issue with a crafted file system […]
🟡 Medium ⏱ 10–30 min Last verified: 20 June 2022 Affected versions: SLES 15 📖 ~4 min read • Source: SUSE advisory SUSE-CU-2022:3027-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-36033 Upstream summary: jsoup is a Java HTML parser, built for HTML editing, cleaning, scraping, and cross-site scripting (XSS) safety. jsoup may incorrectly sanitize HTML […]
This is the first hands-on portion of the book. First, we’ll go over the tools we’ll be using, how they fit together, and how they can be beneficial to you as you begin to create and manage your infrastructure on the cloud provider. Then, we’ll set up a single Droplet which we’ll use as as a controller to run and use the rest of our tool belt.
When configuring a server for a website, there are some common conditional actions you may need to implement. For example, maybe some files should be cached by the user’s browser for longer than others, or some parts of the website should only be allowed via a secure…
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