🟡 Medium ⏱ 5–30 min Last verified: 25 February 2020 📖 ~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 […]
Introduction How to Configure Network Bridging on Debian 10 is a fundamental operation for any administrator maintaining a Debian 10 Buster server. Debian 10 Buster ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 10. This […]
🟠 High ⏱ 15–60 min Last verified: 25 February 2020 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: gallery — multiple vulnerabilities Related CVEs: CVE-2004-0522 CVE-2004-1106 CVE-2004-2124 CVE-2005-0219 CVE-2005-0220 CVE-2005-0221 CVE-2005-0222 CVE-2005-3251 +9 more Upstream summary: Red Hat Security Response Team reports: Gallery upstream has released 3.0.9 version, […]
🟢 Low ⏱ 5–15 min Last verified: 25 February 2020 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: cfengine — arbitrary file overwriting vulnerability Related CVEs: CVE-2005-2960 Upstream summary: A Debian Security Advisory reports: Javier Fernández-Sanguino Peña discovered several insecure temporary file uses in cfengine, a tool for […]
🟢 Low ⏱ 5–15 min Last verified: 25 February 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4520-1 Related CVEs: CVE-2019-19920 Upstream summary: It was discovered that Exim SpamAssassin does not properly handle configuration strings. An attacker could possibly use this issue to execute arbitrary code. (CVE-2019-19920) […]
Port knocking is a stealthy technique that keeps SSH’s port 22 invisible to network scanners until a client sends a precise sequence of connection attempts to predetermined ports. On RHEL 8, combining knockd with firewalld creates a powerful two-layer defense: the firewall silently drops all traffic on port 22 by default, and only the knock […]
🟠 High ⏱ 15–60 min Last verified: 25 February 2020 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2020-1513 Related CVEs: CVE-2020-5260 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
🟢 Low ⏱ 5–15 min Last verified: 24 February 2020 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: PyYAML — arbitrary code execution Related CVEs: CVE-2020-14343 Upstream summary: A vulnerability was discovered in the PyYAML library in versions before 5.4, where it is susceptible to arbitrary code execution […]
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 use sar for system activity reporting on ibm aix […]
🟢 Low ⏱ 5–15 min Last verified: 24 February 2020 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: krfb — Multiple security issues in bundled libvncserver Related CVEs: CVE-2014-4607 CVE-2014-6055 Upstream summary: Martin Sandsmark reports: krfb 4.14 [and earlier] embeds libvncserver which has had several security issues. Several […]
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