Ubuntu 18.04

Common Problems 117911

Ubuntu 18.04 APT Lock File Error During Package Install

🟡 Medium   ⏱ 5–30 min  Last verified: 23 February 2023 📖 ~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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How To Integrate MongoDB with Your Node Application — step-by-step Linux tutorial on Progressive Robot

How To Integrate MongoDB with Your Node Application

In the process of working with Node.js, you may find yourself developing a project that stores and queries data. This tutorial will show you how to integrate MongoDB with an existing Node application. This process will involve adding user and database information to your application code and using the Object Document Mapper Mongoose. At the end of the tutorial, you will have a working application that will take a user’s input and display it in the browser.

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Ubuntu 18.04 — mod-wsgi — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — mod-wsgi — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 February 2023 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5551-1 Related CVEs: CVE-2022-2255 Upstream summary: It was discovered that mod-wsgi did not correctly remove the X-Client-IP header when processing requests from untrusted proxies. A remote attacker could use this […]

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Ubuntu 18.04 — dwarves-dfsg — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — dwarves-dfsg — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 February 2023 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6215-1 Related CVEs: CVE-2022-3534 CVE-2022-3606 Upstream summary: It was discovered that dwarves incorrectly handled certain memory operations under certain circumstances. An attacker could possibly use this issue to cause dwarves […]

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Common Problems 117928

Ubuntu 18.04 LTS – DNS resolution fails with systemd-resolved stub issues – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 15 February 2023 Affected versions: Ubuntu 18.04 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 18.04 — python-git — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — python-git — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 February 2023 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6326-1 Related CVEs: CVE-2023-40267 CVE-2022-24439 Upstream summary: It was discovered that GitPython did not block insecure options from user inputs in the clone command. An attacker could possibly use this […]

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Ubuntu 18.04 — faad2 — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — faad2 — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 13 February 2023 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6313-1 Related CVEs: CVE-2021-32272 CVE-2021-32273 CVE-2021-32274 CVE-2021-32276 CVE-2021-32277 CVE-2021-32278 CVE-2023-38857 CVE-2023-38858 Upstream summary: It was discovered that FAAD2 incorrectly handled certain inputs. If a user or an automated system were […]

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