Logging Monitoring

FreeBSD 13 — zabbix3-proxy — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — zabbix3-proxy — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 9 August 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Zabbix — Remote code execution Related CVEs: CVE-2017-2824 CVE-2020-11800 Upstream summary: Zabbix reports: Fixed security vulnerability cve-2020-11800 (remote code execution). (ZBX-17600) Table of contents Symptom & Impact Environment & Reproduction […]

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Common Problems 113470

Windows Server 2012 R2 — Folder redirection GPO fails to redirect Documents to file share — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 9 August 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 […]

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AlmaLinux 8 — qt5-qtmultimedia — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — qt5-qtmultimedia — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2021:4172 Related CVEs: CVE-2021-3481 Upstream summary: Qt is a software toolkit for developing applications. The following packages have been upgraded to a later upstream version: adwaita-qt (1.2.1), python-qt5 (5.15.0), qgnomeplatform (0.7.1), qt5 […]

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Debian 11 — thin — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — thin — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 9 August 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-3287 Upstream summary: lib/thin/connection.rb in Thin web server before 1.2.4 relies on the X-Forwarded-For header to determine the IP address of the client, which allows remote attackers to […]

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Debian 11 — zoph — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — zoph — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 9 August 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2006-0402 CVE-2007-3905 CVE-2008-3258 CVE-2008-6837 CVE-2008-6838 CVE-2009-2343 CVE-2014-9235 CVE-2014-9236 Upstream summary: SQL injection vulnerability in Zoph before 0.5pre1 allows remote attackers to execute arbitrary SQL commands. Table of contents […]

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Debian 11 — modsecurity-crs — multiple vulnerabilities (16 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — modsecurity-crs — multiple vulnerabilities (16 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 9 August 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-16384 CVE-2019-11387 CVE-2019-11388 CVE-2019-11389 CVE-2019-11390 CVE-2019-11391 CVE-2019-13464 CVE-2020-22669  +8 more Upstream summary: A SQL injection bypass (aka PL1 bypass) exists in OWASP ModSecurity Core Rule Set (owasp-modsecurity-crs) through […]

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How to Set Up ProxySQL for MySQL Load Balancing on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up ProxySQL for MySQL Load Balancing on Debian 9

Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up set up proxysql for mysql load balancing on debian 9 on Stretch leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Stretch freeze. Follow each […]

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Ubuntu 18.04 — bcel — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — bcel — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 9 August 2022 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7208-1 Related CVEs: CVE-2022-42920 Upstream summary: Felix Wilhelm discovered that Apache Commons BCEL APIs incorrectly handled parameters due to a memory issue. An attacker supplying malicious input could exploit this […]

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IBM AIX 7.3 — CVE-2018-20733 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2018-20733 — vulnerability — patch and remediation guide

🟠 High   ⏱ 30–90 min  Last verified: 9 August 2022 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2018-20733, IBM PSIRT advisory page CVE: CVE-2018-20733 NVD summary: BI Web Services in SAS Web Infrastructure Platform before 9.4M6 allows XXE. References: support.sas.com/kb/62/987.html   support.sas.com/kb/62/987.html Table of contents Symptom & Impact Environment […]

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Debian 11 — xen — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — xen — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 9 August 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2010-2938 CVE-2010-4255 CVE-2011-1166 CVE-2011-1583 CVE-2011-1898 CVE-2011-3131 CVE-2011-3262 CVE-2011-4111  +12 more Upstream summary: arch/x86/hvm/vmx/vmcs.c in the virtual-machine control structure (VMCS) implementation in the Linux kernel 2.6.18 on Red Hat […]

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