Logging Monitoring

Ubuntu 22.04 — wget — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — wget — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 December 2024 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6852-1 Related CVEs: CVE-2024-38428 Upstream summary: It was discovered that Wget incorrectly handled semicolons in the userinfo subcomponent of a URI. A remote attacker could possibly trick a user into […]

Read more
Alpine Linux 3.19 — jupyter-notebook — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — jupyter-notebook — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 6.4.12-r0 📖 ~4 min read  •  Source: Alpine secdb entry — jupyter-notebook 6.4.12-r0 Related CVEs: CVE-2022-29238 CVE-2022-24758 Upstream summary: Alpine community repository for vv3.19 ships jupyter-notebook 6.4.12-r0 which addresses CVE-2022-29238. Table of contents Symptom & Impact […]

Read more
Ubuntu 18.04 — mosquitto — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — mosquitto — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 11 December 2024 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7441-1 Related CVEs: CVE-2024-10525 CVE-2024-3935 CVE-2017-7655 CVE-2017-7653 CVE-2017-7654 Upstream summary: It was discovered that Eclipse Mosquitto client incorrectly handled memory when receiving a SUBACK packet. An attacker with a malicious […]

Read more
Ubuntu 18.04 — emacs25 — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — emacs25 — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 11 December 2024 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7027-1 Related CVEs: CVE-2022-45939 CVE-2022-48337 CVE-2022-48338 CVE-2022-48339 CVE-2023-28617 CVE-2024-30203 CVE-2024-30204 CVE-2024-30205  +2 more Upstream summary: It was discovered that Emacs incorrectly handled input sanitization. An attacker could possibly use this […]

Read more
Ubuntu 24.04 — swish-e — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — swish-e — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 December 2024 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8240-1 Related CVEs: CVE-2022-25236 CVE-2022-25235 Upstream summary: It was discovered that Expat, vendored in Swish-e incorrectly handled certain files. An attacker could possibly use this issue to cause a crash […]

Read more
How to Audit Active Directory Changes with Advanced Audit Policies on Windows Server 2025 — step-by-step Windows Server 2025 tutorial on Progressive Robot

How to Audit Active Directory Changes with Advanced Audit Policies on Windows Server 2025

How to Audit Active Directory Changes with Advanced Audit Policies on Windows Server 2025 Active Directory is a high-value target for attackers and a frequent source of compliance audit findings. Without proper change auditing, it is impossible to answer basic security questions: Who created that privileged account? When was this group modified? Who changed the […]

Read more
openSUSE Leap 15.5 — libqb100 — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.5

openSUSE Leap 15.5 — libqb100 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.5 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2023:3727-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-39976 Upstream summary: log_blackbox.c in libqb before 2.0.8 allows a buffer overflow via long log messages because the header size is not considered. Table […]

Read more
How to Configure Fail2Ban to Protect SSH on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Configure Fail2Ban to Protect SSH on RHEL 9

Even with SSH key authentication enabled, a badly configured or temporarily accessible server with password auth still faces a constant barrage of brute-force login attempts. Fail2ban monitors log files for authentication failures, counts them per source IP, and when a configured threshold is crossed it issues a temporary ban by injecting a drop rule via […]

Read more
NetBSD 10.0 — mysql-client-5.7.[0-9]* — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — mysql-client — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Upstream summary: pkgsrc audit-packages flagged mysql-client for vulnerability class 'eol'. Reference: https://ftp.NetBSD.org/pub/NetBSD/packages/vulns/eol-packages Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

Read more
FreeBSD 14 — cpu-microcode-amd — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — cpu-microcode-amd — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 December 2024 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: AMD CPUs — Guest Memory Vulnerabilities Related CVEs: CVE-2023-31315 Upstream summary: AMD reports: Researchers from IOActive have reported that it may be possible for an attacker with ring 0 access […]

Read more
CHAT