Linux

How to Configure SSL/TLS with OpenSSL on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Configure SSL/TLS with OpenSSL on CentOS Stream 9

Introduction Setting up configure ssl/tls with openssl on centos stream 9 on a CentOS Stream 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Configure SSL/TLS with OpenSSL on CentOS Stream 9, with all the commands you need, the SELinux and firewalld considerations to […]

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Oracle Linux 9 — kernel security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — kernel security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2023-4377)

🟠 High   ⏱ 15–60 min  Last verified: 2 January 2024 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-4377 Related CVEs: CVE-2023-0458 CVE-2023-35788 CVE-2022-45869 CVE-2023-3090 CVE-2023-1998 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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Debian 12 — python-future — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — python-future — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 January 2024 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-40899 Upstream summary: An issue discovered in Python Charmers Future 0.18.2 and earlier allows remote attackers to cause a denial of service via crafted Set-Cookie header from malicious […]

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Debian 12 — pdfcrack — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — pdfcrack — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 January 2024 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-22336 Upstream summary: An issue was discovered in pdfcrack 0.17 thru 0.18, allows attackers to execute arbitrary code via a stack overflow in the MD5 function. Table of […]

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Common Problems 120199

Debian 12 NFTables Rules Not Persisting After Reboot (Debian 12 Post 048)

🟡 Medium   ⏱ 5–30 min  Last verified: 2 January 2024 Affected versions: Debian 12 📖 ~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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Debian 11 — tinyssh — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — tinyssh — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 January 2024 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-48795 Upstream summary: The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other products, allows remote attackers to bypass integrity checks such that […]

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Debian 11 — hsqldb1.8.0 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — hsqldb1.8.0 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 January 2024 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-1183 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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Debian 12 — openjfx — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — openjfx — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 2 January 2024 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-4901 CVE-2015-4906 CVE-2015-4908 CVE-2015-4916 CVE-2016-3498 CVE-2017-10086 CVE-2017-10114 CVE-2018-2581  +5 more Upstream summary: Unspecified vulnerability in Oracle Java SE 8u60 allows remote attackers to affect confidentiality, integrity, and availability […]

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How to Install Graylog Log Management on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Install Graylog Log Management on Debian 12

Introduction Debian 12 Bookworm is built around the ethos of stability and free software. Setting up install graylog log management on debian 12 on Bookworm leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Bookworm freeze. Follow each step carefully and […]

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Ubuntu 14.04 — debian-goodies — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — debian-goodies — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 January 2024 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8109-1 Related CVEs: CVE-2023-27635 Upstream summary: Jakub Wilk discovered that debmany in Debian Goodies incorrectly handled certain deb files. An attacker could possibly use this issue to execute arbitrary shell […]

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CHAT