Fix Prevention

How to Configure BGP Routing with FRRouting on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Configure BGP Routing with FRRouting on SLES 12

Introduction This tutorial covers How to Configure BGP Routing with FRRouting 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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Debian 9 — tmpreaper — vulnerability — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — tmpreaper — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 14 July 2019 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-3461 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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How to Enable Brotli Compression in Nginx on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Enable Brotli Compression in Nginx on SLES 12

Introduction This tutorial covers How to Enable Brotli Compression in Nginx 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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How to Set Up Work Folders on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Set Up Work Folders on Windows Server 2012 R2

How to Set Up Work Folders on Windows Server 2012 R2 Work Folders is a file synchronization service introduced in Windows Server 2012 R2 that allows users to store and sync work files from personal devices or corporate computers, even when they are not connected to the corporate network. Unlike traditional folder redirection which requires […]

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Ubuntu 16.04 — pound — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — pound — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 14 July 2019 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4702-1 Related CVEs: CVE-2016-10711 CVE-2018-21245 Upstream summary: It was discovered that Pound incorrectly handled certain HTTP requests A remote attacker could use it to retrieve some sensitive information. (CVE-2016-10711, CVE-2018-21245) […]

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How to Set Up IIS Application Pools on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up IIS Application Pools on Windows Server 2019

Introduction to IIS Application Pools on Windows Server 2019 Application Pools in IIS 10 on Windows Server 2019 are isolated worker process containers that host one or more web applications. Each application pool runs as a separate w3wp.exe process, meaning that a crash, memory leak, or security breach in one application cannot directly affect applications […]

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Common Problems 118109

Ubuntu 18.04 LTS initramfs Drop to BusyBox Shell

🟠 High   ⏱ 5–30 min  Last verified: 13 July 2019 Affected versions: 18.04 LTS 📖 ~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 & […]

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IBM AIX 7.1 — CVE-2018-20732 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.1

IBM AIX 7.1 — CVE-2018-20732 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 13 July 2019 Affected versions: IBM AIX 7.1 📖 ~4 min read  •  Source: NVD CVE-2018-20732, IBM PSIRT advisory page CVE: CVE-2018-20732 NVD summary: SAS Web Infrastructure Platform before 9.4M6 allows remote attackers to execute arbitrary code via a Java deserialization variant. References: www.securityfocus.com/bid/106648   support.sas.com/kb/63/391.html   […]

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Common Problems 115137

RHEL 8 kdump Fails To Capture vmcore After Kernel Panic – RHEL 8 Post 150

🟡 Medium   ⏱ 5–30 min  Last verified: 13 July 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 — fsplib — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — fsplib — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 July 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: fsplib — multiple vulnerabilities Related CVEs: CVE-2007-3961 CVE-2007-3962 Upstream summary: A Secunia Advisory reports: fsplib can be exploited to compromise an application using the library. A boundary error exists in […]

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