Operations

Common Problems 114468

Chrony Time Drift Causes Authentication And TLS Failures

🟡 Medium   ⏱ 5–30 min  Last verified: 13 May 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 […]

Read more
IBM AIX 7.1 — CVE-2022-43578 — xss — patch and remediation guide — diagnosis and fix on IBM AIX 7.1

IBM AIX 7.1 — CVE-2022-43578 — xss — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 13 May 2023 Affected versions: IBM AIX 7.1 📖 ~4 min read  •  Source: NVD CVE-2022-43578, IBM Support Bulletin CVE: CVE-2022-43578 NVD summary: IBM Sterling B2B Integrator Standard Edition 6.0.0.0 through 6.0.3.7 and 6.1.0.0 through 6.1.2.0 is vulnerable to cross-site scripting. This vulnerability allows users to embed […]

Read more
FreeBSD 13 — py310-configobj — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py310-configobj — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 May 2023 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Configobj — Regular Expression Denial of Service attack Related CVEs: CVE-2023-26112 Upstream summary: [email protected] reports: All versions of the package configobj are vulnerable to Regular Expression Denial of Service (ReDoS) […]

Read more
Common Problems 111681

Windows Server 2022 — IIS App Pool fails to start after .NET Framework in-place upgrade — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 13 May 2023 Affected versions: Windows Server 2022 📖 ~2 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 […]

Read more
Ubuntu 16.04 — libcap2 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — libcap2 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 May 2023 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6166-2 Related CVEs: CVE-2023-2603 Upstream summary: USN-6166-1 fixed a vulnerability in libcap2. This update provides the corresponding update for Ubuntu 14.04 ESM, Ubuntu 16.04 ESM and Ubuntu 18.04 ESM. Original […]

Read more
Ubuntu 20.04 — isc-dhcp — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — isc-dhcp — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 13 May 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5658-1 Related CVEs: CVE-2022-2928 CVE-2022-2929 CVE-2021-25217 Upstream summary: It was discovered that DHCP incorrectly handled option reference counting. A remote attacker could possibly use this issue to cause DHCP servers […]

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

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

🟠 High   ⏱ 15–60 min  Last verified: 13 May 2023 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7552-1 Related CVEs: CVE-2021-4185 CVE-2022-0582 CVE-2022-0586 CVE-2022-3190 CVE-2021-4182 CVE-2022-0585 CVE-2021-39929 CVE-2021-4186  +12 more Upstream summary: It was discovered that Wireshark did not correctly handle recursion. If a user or system […]

Read more
How to Set Up Active Directory Certificate Services on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Set Up Active Directory Certificate Services on Windows Server 2016

How to Configure Windows Server 2016 Active Directory Certificate Services Active Directory Certificate Services (AD CS) provides the infrastructure for creating, managing, and distributing digital certificates within an Active Directory environment. Certificates issued by an AD CS certificate authority (CA) are used for a wide range of security scenarios including smart card authentication, SSL/TLS for […]

Read more
Windows Server 2022 — KB5031362 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5031362 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5031362 • MSRC update-guide entry Related CVEs: CVE-2023-35349 CVE-2023-41765 CVE-2023-41770 CVE-2023-41768 CVE-2023-41767 CVE-2023-41771 CVE-2023-41769 CVE-2023-41773  +12 more Affected components: Windows Server 2022 Table of contents Symptom & Impact Environment & Reproduction Root […]

Read more
CHAT