Fix Prevention

FreeBSD 12 — libssh — multiple vulnerabilities (17 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — libssh — multiple vulnerabilities (17 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 19 October 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libssh — possible heap-buffer overflow vulnerability Related CVEs: CVE-2014-0017 CVE-2015-1782 CVE-2015-3146 CVE-2016-0739 CVE-2018-10933 CVE-2019-14889 CVE-2019-3855 CVE-2019-3856  +9 more Upstream summary: libssh security advisories: The SSH protocol keeps track of two […]

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FreeBSD 12 — ffmpeg-devel — multiple vulnerabilities (19 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — ffmpeg-devel — multiple vulnerabilities (19 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 19 October 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: ffmpeg — multiple vulnerabilities Related CVEs: CVE-2015-6761 CVE-2015-6818 CVE-2015-6819 CVE-2015-6820 CVE-2015-6821 CVE-2015-6822 CVE-2015-6823 CVE-2015-6824  +11 more Upstream summary: NVD reports: The ff_dwt_decode function in libavcodec/jpeg2000dwt.c in FFmpeg before 2.8.4 does […]

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How to Install and Configure SonarQube on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install and Configure SonarQube on RHEL 8

SonarQube is an open-source static analysis platform that inspects code quality, detects bugs, security vulnerabilities, and code smells across more than thirty programming languages. On RHEL 8, SonarQube requires a Java 17 runtime, a PostgreSQL database for persistent storage, and several Linux kernel tuning parameters to run reliably. This tutorial guides you through every installation […]

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Ubuntu 18.04 — elfutils — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — elfutils — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 19 October 2019 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6322-1 Related CVEs: CVE-2018-16062 CVE-2018-16403 CVE-2018-18310 CVE-2018-18520 CVE-2018-18521 CVE-2019-7149 CVE-2019-7150 CVE-2019-7665  +3 more Upstream summary: It was discovered that elfutils incorrectly handled certain malformed files. If a user or automated […]

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FreeBSD 12 — libXxf86dga — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — libXxf86dga — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 19 October 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: xorg — protocol handling issues in X Window System client libraries Related CVEs: CVE-2013-1981 CVE-2013-1982 CVE-2013-1983 CVE-2013-1984 CVE-2013-1985 CVE-2013-1986 CVE-2013-1987 CVE-2013-1988  +12 more Upstream summary: freedesktop.org reports: Ilja van Sprundel, […]

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Common Problems 115396

RHEL 7 yum Metadata Expired and Mirror Timeout Errors

🟡 Medium   ⏱ 5–30 min  Last verified: 18 October 2019 Affected versions: RHEL 7 📖 ~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 Errors & […]

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Common Problems 115015

LVM Filesystem Full Despite Free Space in VG

🟡 Medium   ⏱ 5–30 min  Last verified: 18 October 2019 📖 ~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 […]

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FreeBSD 12 — iourbanterror — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — iourbanterror — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 October 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: id Tech 3 — remote code execution vulnerability Related CVEs: CVE-2017-6903 Upstream summary: The content auto-download of id Tech 3 can be used to deliver maliciously crafted content, that triggers […]

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How to Tune Kernel Parameters with sysctl on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Tune Kernel Parameters with sysctl on SLES 12

Introduction This tutorial covers How to Tune Kernel Parameters with sysctl on SLES 12 on SLES 12. SLES 12 (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 12 system is up to date: […]

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Common Problems 113497

Windows Server 2012 R2 — WSUS metadata corruption prevents clients from downloading approved updates — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 18 October 2019 Affected versions: Windows Server 2012 R2 📖 ~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 […]

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