Logging Monitoring

Ubuntu 20.04 — ruby-sinatra — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — ruby-sinatra — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 12 February 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7664-1 Related CVEs: CVE-2022-29970 CVE-2022-45442 Upstream summary: It was discovered that Sinatra incorrectly handled serving static files. An attacker could possibly use this issue to perform local file inclusion, obtaining […]

Read more
Ubuntu 20.04 — golang-1.13 — multiple vulnerabilities (19 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — golang-1.13 — multiple vulnerabilities (19 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 12 February 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~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 […]

Read more
SLES 15 — libgmp10 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libgmp10 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 12 February 2022 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2021:541-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-43618 Upstream summary: GNU Multiple Precision Arithmetic Library (GMP) through 6.2.1 has an mpz/inp_raw.c integer overflow and resultant buffer overflow via crafted input, leading to […]

Read more
How to Set Up Bash Aliases and Environment Variables on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up Bash Aliases and Environment Variables on Debian 9

Introduction This guide explains how to Set Up Bash Aliases and Environment Variables on Debian 9 on Debian 9 Stretch. Debian Stretch uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 9 […]

Read more
Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2024-12433)

🟠 High   ⏱ 15–60 min  Last verified: 12 February 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-12433 Related CVEs: CVE-2022-23816 CVE-2022-29901 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

Read more
Oracle Linux 8 — gcc — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — gcc — vulnerability — patch and remediation guide (ELSA-2021-4587)

🟡 Medium   ⏱ 10–30 min  Last verified: 12 February 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-4587 Related CVEs: CVE-2021-42574 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

Read more
How to Install and Use Deno on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Install and Use Deno on Debian 11

Introduction This guide explains how to Install and Use Deno on Debian 11 on Debian 11 Bullseye. Debian Bullseye uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 11 install with the […]

Read more
IBM AIX 7.3 — CVE-2021-29771 — xss — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2021-29771 — xss — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 11 February 2022 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2021-29771, IBM Support Bulletin CVE: CVE-2021-29771 NVD summary: IBM InfoSphere Information Server 11.7 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus […]

Read more
AlmaLinux 8 — python-augeas — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — python-augeas — 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-2019:3376 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 […]

Read more
CHAT