Ubuntu 20.04

Ubuntu 20.04 — grunt — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — grunt — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 17 June 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5847-1 Related CVEs: CVE-2020-7729 CVE-2022-0436 CVE-2022-1537 Upstream summary: It was discovered that Grunt was not properly loading YAML files before parsing them. An attacker could possibly use this issue to […]

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Ubuntu 20.04 — libtommath — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — libtommath — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 June 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6402-1 Related CVEs: CVE-2023-36328 Upstream summary: It was discovered that LibTomMath incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code and cause a denial […]

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Ubuntu 20.04 — dropbear — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — dropbear — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 June 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7292-1 Related CVEs: CVE-2021-36369 CVE-2023-48795 Upstream summary: Manfred Kaiser discovered that Dropbear through 2020.81 does not properly check the available authentication methods in the client-side SSH code. An attacker could […]

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Ubuntu 20.04 — awstats — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — awstats — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 11 June 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5899-1 Related CVEs: CVE-2022-46391 CVE-2017-1000501 CVE-2020-29600 CVE-2020-35176 Upstream summary: It was discovered that AWStats did not properly sanitize the content of whois responses in the hostinfo plugin. An attacker could […]

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Ubuntu 20.04 — graphviz — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — graphviz — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 11 June 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6708-1 Related CVEs: CVE-2023-46045 CVE-2018-10196 CVE-2019-11023 CVE-2020-18032 Upstream summary: It was discovered that Graphviz incorrectly handled certain config6a files. An attacker could possibly use this issue to cause a denial […]

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Настройка Django с Postgres, Nginx и Gunicorn в Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

Настройка Django с Postgres, Nginx и Gunicorn в Ubuntu 20.04

Django — это мощная веб-система, помогающая создать приложение или сайт Python с нуля. Django включает упрощенный сервер разработки для локального тестирования кода, однако для серьезных производственных задач требуется более защищенный и мощный веб-сервер. В этом руководстве…

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Common Problems 117507

Ubuntu 20.04 LTS – ext4 filesystem remounts read-only after I/O errors – Fix & Prevention

🔴 Critical   ⏱ 5–30 min  Last verified: 9 June 2023 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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Ubuntu 20.04 — booth — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — booth — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 June 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5556-1 Related CVEs: CVE-2022-2553 Upstream summary: It was discovered that Booth incorrectly handled user authentication. An attacker could use this vulnerability to cause a denial of service. Table of contents […]

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Ubuntu 20.04 — swift — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — swift — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 June 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5852-1 Related CVEs: CVE-2022-47950 Upstream summary: It was discovered that OpenStack Swift incorrectly handled certain XML files. A remote authenticated user could possibly use this issue to obtain arbitrary file […]

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Common Problems 117416

Ubuntu 20.04 LTS – boot drops to initramfs after unclean shutdown – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 8 June 2023 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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