chris

FreeBSD 13 — mybb — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — mybb — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 June 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mybb — multible vulnerabilities Upstream summary: mybb Team reports: High risk: Installer RCE on settings file write Medium risk: Arbitrary upload paths and Local File Inclusion RCE Medium risk: XSS […]

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

Ubuntu 18.04 — yaws — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 June 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4569-1 Related CVEs: CVE-2020-24379 CVE-2020-24916 Upstream summary: It was discovered that Yaws did not properly sanitize XML input. A remote attacker could use this vulnerability to execute an XML External […]

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How to Configure the Global Catalog on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure the Global Catalog on Windows Server 2016

How to Configure Windows Server 2016 Global Catalog The Global Catalog (GC) is a distributed data repository in Windows Server 2016 Active Directory that contains a partial replica of all objects from every domain in the forest. Unlike regular domain controllers that store a full replica only for their own domain, a Global Catalog server […]

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

Oracle Linux 8 — libseccomp security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2019-3624)

🟡 Medium   ⏱ 10–30 min  Last verified: 10 June 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-3624 Related CVEs: CVE-2019-9893 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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AlmaLinux 8 — libxcrypt — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — libxcrypt — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2021:4371 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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How to Install Fluentd on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Install Fluentd on FreeBSD 13

Introduction How to Install Fluentd on FreeBSD 13 is a core administration task for any FreeBSD 13 server operator. FreeBSD 13 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet filtering, and […]

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Common Problems 117571

Ubuntu 20.04 LTS – Docker daemon fails after kernel update with cgroup issues – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 10 June 2021 Affected versions: Ubuntu 20.04 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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IBM AIX 7.2 — CVE-2021-29738 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.2

IBM AIX 7.2 — CVE-2021-29738 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 10 June 2021 Affected versions: IBM AIX 7.2 📖 ~4 min read  •  Source: NVD CVE-2021-29738, IBM Support Bulletin CVE: CVE-2021-29738 NVD summary: IBM InfoSphere Data Flow Designer (IBM InfoSphere Information Server 11.7 ) is vulnerable to server-side request forgery (SSRF). This may allow an authenticated attacker […]

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IBM AIX 7.1 — CVE-2021-39086 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.1

IBM AIX 7.1 — CVE-2021-39086 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 10 June 2021 Affected versions: IBM AIX 7.1 📖 ~4 min read  •  Source: NVD CVE-2021-39086, IBM Support Bulletin CVE: CVE-2021-39086 NVD summary: IBM Sterling File Gateway 6.0.0.0 through 6.0.3.5, 6.1.0.0 through 6.1.0.4, and 6.1.1.0 through 6.1.1.1 could allow a remote attacker to obtain sensitive information when […]

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