ubuntu

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

Ubuntu 20.04 — postorius — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 May 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5157-1 Related CVEs: CVE-2021-40347 Upstream summary: It was discovered that Postorius mishandled specially crafted input. An attacker could use this vulnerability that obtain sensitive information. Table of contents Symptom & […]

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Ubuntu 18.04 — golang-1.13 — multiple vulnerabilities (19 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — golang-1.13 — multiple vulnerabilities (19 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 21 May 2022 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6038-2 Related CVEs: CVE-2022-1705 CVE-2022-27664 CVE-2022-28131 CVE-2022-2879 CVE-2022-2880 CVE-2022-29526 CVE-2022-30629 CVE-2022-30630  +11 more Upstream summary: USN-6038-1 fixed several vulnerabilities in Go 1.18. This update provides the corresponding updates for Go […]

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Ubuntu 16.04 — abcm2ps — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — abcm2ps — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 21 May 2022 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5961-1 Related CVEs: CVE-2018-10753 CVE-2018-10771 CVE-2019-1010069 CVE-2021-32434 CVE-2021-32435 CVE-2021-32436 Upstream summary: It was discovered that abcm2ps incorrectly handled memory when parsing specially crafted ABC files. An attacker could use this […]

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Common Problems 117080

Ubuntu 22.04 LTS Node Exporter Missing Metrics After Service User Hardening

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2022 📖 ~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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Ubuntu 22.04 — libetpan — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — libetpan — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 May 2022 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7740-1 Related CVEs: CVE-2022-4121 Upstream summary: It was discovered that LibEtPan incorrectly handled memory when parsing IMAP STATUS responses. A remote attacker could possibly use this issue to cause LibEtPan […]

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How To Install and Use Composer on Ubuntu 22.04 — step-by-step Linux tutorial on Progressive Robot

How To Install and Use Composer on Ubuntu 22.04

Composer is a popular dependency management tool for PHP, created mainly to facilitate installation and updates for project dependencies.It will check which other packages a specific project depends on and install them for you, using the appropriate versions according to the project requirements.

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Ubuntu 16.04 — libphp-phpmailer — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — libphp-phpmailer — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 18 May 2022 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5956-2 Related CVEs: CVE-2017-11503 CVE-2016-10033 CVE-2016-10045 CVE-2017-5223 CVE-2018-19296 CVE-2020-13625 CVE-2021-3603 Upstream summary: USN-5956-1 fixed vulnerabilities in PHPMailer. It was discovered that the fix for CVE-2017-11503 was incomplete. This update fixes […]

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Common Problems 116967

Ubuntu 22.04 journalctl Logs Consume Excessive Disk Space

🟡 Medium   ⏱ 5–30 min  Last verified: 17 May 2022 📖 ~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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