ubuntu

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

Ubuntu 18.04 — velocity — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 February 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6281-1 Related CVEs: CVE-2020-13936 Upstream summary: Alvaro Munoz discovered that Velocity Engine incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted […]

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Ubuntu 18.04 — node-fstream — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — node-fstream — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 February 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4123-1 Related CVEs: CVE-2019-13173 Upstream summary: It was discovered that npm/fstream incorrectly handled certain crafted tarballs. An attacker could use this vulnerability to write aritrary files to the filesystem. Table […]

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Common Problems 119080

Ubuntu 14.04 LTS UFW Rules Lost After Interface Renaming

🟠 High   ⏱ 5–30 min  Last verified: 15 February 2020 Affected versions: 14.04 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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Common Problems 118403

Ubuntu 16.04 LTS – unattended-upgrades causes sustained CPU usage – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 15 February 2020 Affected versions: Ubuntu 16.04 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 16.04 — pngcheck — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — pngcheck — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 15 February 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6182-1 Related CVEs: CVE-2020-27818 CVE-2020-35511 Upstream summary: It was discovered that pngcheck incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted […]

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Common Problems 118602

Ubuntu 16.04 LTS – MySQL service fails to start due to InnoDB corruption – Fix & Prevention

🔴 Critical   ⏱ 5–30 min  Last verified: 14 February 2020 Affected versions: Ubuntu 16.04 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 16.04 — librabbitmq — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — librabbitmq — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 14 February 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4214-2 Related CVEs: CVE-2019-18609 Upstream summary: USN-4214-1 fixed a vulnerability in RabbitMQ. This update provides the corresponding updates for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. Original advisory details: It […]

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