Common Problems

IBM AIX 7.1 — CVE-2020-4657 — xss — patch and remediation guide — diagnosis and fix on IBM AIX 7.1

IBM AIX 7.1 — CVE-2020-4657 — xss — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 27 January 2021 Affected versions: IBM AIX 7.1 📖 ~4 min read  •  Source: NVD CVE-2020-4657, IBM Support Bulletin CVE: CVE-2020-4657 NVD summary: IBM Sterling B2B Integrator 5.2.0.0 through 6.0.3.2 Standard Edition is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in […]

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Oracle Linux 8 — kernel security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — kernel security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2021-4356)

🟡 Medium   ⏱ 10–30 min  Last verified: 27 January 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-4356 Related CVEs: CVE-2021-28950 CVE-2021-31916 CVE-2020-26146 CVE-2021-29646 CVE-2021-3732 CVE-2021-31829 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Common Problems 119016

Ubuntu 14.04 LTS – network interface naming changes break startup scripts – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 27 January 2021 Affected versions: Ubuntu 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 114929

RHEL 8 – Kernel Update Ends in Dracut Emergency Shell

🟡 Medium   ⏱ 5–30 min  Last verified: 27 January 2021 📖 ~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 14.04 — lz4 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — lz4 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 January 2021 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4968-2 Related CVEs: CVE-2021-3520 Upstream summary: USN-4968-1 fixed a vulnerability in LZ4. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: It […]

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Oracle Linux 8 — pacemaker — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — pacemaker — vulnerability — patch and remediation guide (ELSA-2020-5487)

🟡 Medium   ⏱ 10–30 min  Last verified: 27 January 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-5487 Related CVEs: CVE-2020-25654 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Common Problems 112546

Windows Server 2019 — NPS RADIUS service rejects all authentication requests — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 27 January 2021 Affected versions: Windows Server 2019 📖 ~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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Oracle Linux 8 — python-pillow — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — python-pillow — vulnerability — patch and remediation guide (ELSA-2020-3185)

🟠 High   ⏱ 15–60 min  Last verified: 27 January 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-3185 Related CVEs: CVE-2020-5313 CVE-2020-11538 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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Oracle Linux 8 — thunderbird — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — thunderbird — vulnerability — patch and remediation guide (ELSA-2020-3341)

🟠 High   ⏱ 15–60 min  Last verified: 27 January 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-3341 Related CVEs: CVE-2020-15652 CVE-2020-15659 CVE-2020-6463 CVE-2020-6514 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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