Logging Monitoring

FreeBSD 13 — typo3-lts — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — typo3-lts — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: typo3 — Missing access check in Extbase Related CVEs: CVE-2016-5091 Upstream summary: TYPO3 reports: Extbase request handling fails to implement a proper access check for requested controller/ action combinations, which […]

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Common Problems 117630

Ubuntu 20.04 LTS – DKMS module build fails after kernel update and drivers stop loading – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 10 November 2021 Affected versions: Ubuntu 20.04 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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FreeBSD 13 — firebird25-server — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — firebird25-server — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: firebird — Remote Stack Buffer Overflow Related CVEs: CVE-2013-2492 Upstream summary: Firebird Project reports: The FirebirdSQL server is vulnerable to a stack buffer overflow that can be triggered when an […]

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How to Configure Network Bridging on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Configure Network Bridging on FreeBSD 12

Introduction This guide explains how to Configure Network Bridging on FreeBSD 12 on FreeBSD 12. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for fine-grained privilege […]

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Common Problems 115126

RHEL 8 – leapp Preupgrade Inhibitors Block In-Place Upgrade Planning

🟡 Medium   ⏱ 5–30 min  Last verified: 10 November 2021 📖 ~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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Debian 11 — ruby-kaminari — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — ruby-kaminari — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-11082 Upstream summary: In Kaminari before 1.2.1, there is a vulnerability that would allow an attacker to inject arbitrary code into pages with pagination links. This has been […]

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Common Problems 115099

RHEL 8 – rsyslog Forwarding Stops Sending to SIEM

🟡 Medium   ⏱ 5–30 min  Last verified: 10 November 2021 📖 ~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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Debian 11 — lm-sensors — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — lm-sensors — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-2672 Upstream summary: pwmconfig in LM_sensors before 2.9.1 creates temporary files insecurely, which allows local users to overwrite arbitrary files via a symlink attack on the fancontrol temporary […]

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Common Problems 112998

Windows Server 2016 – NDIS lightweight filter drops packets after policy push – Fix and Prevention

🟠 High   ⏱ 5–30 min  Last verified: 10 November 2021 Affected versions: Windows Server 2016 📖 ~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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Debian 11 — abcm2ps — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — abcm2ps — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 10 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-1258 CVE-2010-3441 CVE-2010-4743 CVE-2010-4744 CVE-2018-10753 CVE-2018-10771 CVE-2019-1010069 CVE-2021-32434  +2 more Upstream summary: Buffer overflow in the put_words function in subs.c for abcm2ps 3.7.20 allows remote attackers to execute […]

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