Debian 12 Bookworm

Debian 12 — flatpak — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — flatpak — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 14 August 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-9780 CVE-2018-6560 CVE-2019-10063 CVE-2019-8308 CVE-2021-21261 CVE-2021-21381 CVE-2021-41133 CVE-2021-43860  +7 more Upstream summary: In Flatpak before 0.8.7, a third-party app repository could include malicious apps that contain files with […]

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How to Perform a CIS Benchmark Audit on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Perform a CIS Benchmark Audit on Debian 12

Introduction This guide explains how to Perform a CIS Benchmark Audit on Debian 12 on Debian 12 Bookworm. Debian Bookworm uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 12 install with […]

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Common Problems 120086

Debian 12 mdadm RAID Array Degraded After Drive Failure

🔴 Critical   ⏱ 5–30 min  Last verified: 14 August 2023 Affected versions: Debian 12 📖 ~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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Common Problems 120161

Debian 12 – Nginx fails config test due to duplicate or invalid directives

🟠 High   ⏱ 5–30 min  Last verified: 13 August 2023 Affected versions: Debian 12 📖 ~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 12 — cron — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — cron — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 13 August 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2006-2607 CVE-2017-9525 CVE-2019-9704 CVE-2019-9705 CVE-2019-9706 Upstream summary: do_command.c in Vixie cron (vixie-cron) 4.1 does not check the return code of a setuid call, which might allow local users […]

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Debian 12 — ulfius — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — ulfius — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 August 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-40540 Upstream summary: ulfius_uri_logger in Ulfius HTTP Framework before 2.7.4 omits con_info initialization and a con_info->request NULL check for certain malformed HTTP requests. Table of contents Symptom & […]

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Debian 12 — libappimage — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libappimage — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 August 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-25265 Upstream summary: AppImage libappimage before 1.0.3 allows attackers to trigger an overwrite of a system-installed .desktop file by providing a .desktop file that contains Name= with path […]

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Debian 12 — snmptrapfmt — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — snmptrapfmt — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 August 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2006-0050 Upstream summary: snmptrapfmt in Debian 3.0 allows local users to overwrite arbitrary files via a symlink attack on a temporary log file. Table of contents Symptom & […]

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Debian 12 — usemod-wiki — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — usemod-wiki — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 August 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-1397 Upstream summary: Cross-site scripting (XSS) vulnerability in UseModWiki 1.0 allows remote attackers to inject arbitrary web script or HTML via an argument to wiki.pl. Table of contents […]

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Debian 12 — freeplane — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — freeplane — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 August 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-1000069 Upstream summary: FreePlane version 1.5.9 and earlier contains a XML External Entity (XXE) vulnerability in XML Parser in mindmap loader that can result in stealing data from […]

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