Linux

Debian 11 — icingaweb2 — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — icingaweb2 — multiple vulnerabilities (15 CVEs) — patch and remediation guide

  • November 29, 2022
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 29 November 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-18246 CVE-2018-18247 CVE-2018-18248 CVE-2018-18249 CVE-2018-18250 CVE-2020-24368 CVE-2021-32746 CVE-2021-32747  +7 more Upstream summary: Icinga Web 2 before 2.6.2 has CSRF via /icingaweb2/config/moduledisable?name=monitoring to disable the monitoring module, or via […]

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Ubuntu 18.04 — libvirt — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — libvirt — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • November 29, 2022
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 29 November 2022 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5399-1 Related CVEs: CVE-2020-25637 CVE-2021-3631 CVE-2021-3667 CVE-2021-3975 CVE-2021-4147 CVE-2022-0897 CVE-2020-10703 CVE-2020-12430  +12 more Upstream summary: It was discovered that libvirt incorrectly handled certain locking operations. A local attacker could possibly […]

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Oracle Linux 9 — freerdp — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — freerdp — vulnerability — patch and remediation guide (ELSA-2023-2326)

  • November 29, 2022
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 29 November 2022 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-2326 Related CVEs: CVE-2022-39316 CVE-2022-39319 CVE-2022-39320 CVE-2022-39282 CVE-2022-41877 CVE-2022-39283 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Установка Nginx в CentOS 8 — step-by-step Linux tutorial on Progressive Robot

Установка Nginx в CentOS 8

  • November 29, 2022
  • Linux
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Nginx — это один из самых популярных в мире веб-серверов, который обеспечивает работу целого ряда крупнейших сайтов в Интернете с огромным трафиком. Обычно он использует ресурсы эффективнее, чем Apache, и может использоваться как веб-сервер…

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Oracle Linux 9 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2023-12017)

  • November 29, 2022
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 29 November 2022 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-12017 Related CVEs: CVE-2022-42896 CVE-2022-42895 CVE-2022-4378 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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

Debian 11 — jackson-databind — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • November 29, 2022
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 29 November 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-15095 CVE-2017-17485 CVE-2017-7525 CVE-2018-11307 CVE-2018-12022 CVE-2018-12023 CVE-2018-14718 CVE-2018-14719  +12 more Upstream summary: A deserialization flaw was discovered in the jackson-databind in versions before 2.8.10 and 2.9.1, which could […]

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Common Problems 121683

Debian 9: Nginx serves incomplete TLS certificate chain

  • November 28, 2022
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 28 November 2022 Affected versions: Debian 9 📖 ~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 117128

Ubuntu 22.04 LTS – Docker daemon fails to start after update – Fix & Prevention

  • November 28, 2022
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 28 November 2022 Affected versions: Ubuntu 22.04 LTS (Jammy) 📖 ~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 […]

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