Introduction This guide explains how to Set Up Unbound DNS Resolver on FreeBSD 14 on FreeBSD 14. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 2021.04-r0 📖 ~4 min read • Source: Alpine secdb entry — u-boot 2021.04-r0 Related CVEs: CVE-2021-27097 CVE-2021-27138 Upstream summary: Alpine main repository for vv3.19 ships u-boot 2021.04-r0 which addresses CVE-2021-27097. Table of contents Symptom & Impact […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read • Source: pkgsrc audit-packages entry Related CVEs: CVE-2000-1099 Upstream summary: pkgsrc audit-packages flagged sun-{jre,jdk}<1.3.1.0.2 for vulnerability class 'remote-code-execution'. Reference: http://sunsolve.sun.com/pub-cgi/retrieve.pl?doctype=coll&doc=secbull/218&type=0&nav=sec.sba Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]
Password-based SSH authentication is a well-known attack vector, and even key-based authentication can be compromised if a private key is stolen. Adding Time-Based One-Time Password (TOTP) two-factor authentication creates a second layer of defense that is independent of the key. This tutorial shows you how to configure the Google Authenticator PAM module on RHEL 9 […]
🟠 High ⏱ 5–30 min Last verified: 30 July 2024 Affected versions: Ubuntu 24.04 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 […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read • Source: pkgsrc audit-packages entry Related CVEs: CVE-2007-4137 CVE-2009-3384 CVE-2010-0046 CVE-2010-0049 CVE-2010-0050 CVE-2010-0052 CVE-2010-0054 CVE-2011-3193 +11 more Upstream summary: pkgsrc audit-packages flagged qt4-libs<4.3.2 for vulnerability class 'remote-user-shell'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4137 Table of contents Symptom & Impact Environment […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 3.7.2-r0 📖 ~4 min read • Source: Alpine secdb entry — bison 3.7.2-r0 Related CVEs: CVE-2020-24240 CVE-2020-24979 CVE-2020-24980 Upstream summary: Alpine main repository for vv3.19 ships bison 3.7.2-r0 which addresses CVE-2020-24240. Table of contents Symptom & […]
Two-Factor Authentication (2FA) adds an extra layer of security to SSH by requiring a time-based one-time password (TOTP) in addition to your SSH key or password. This guide configures Google Authenticator PAM for SSH 2FA on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server A user with sudo […]
🟢 Low ⏱ 5–15 min Last verified: 30 July 2024 Affected versions: FreeBSD 14 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: dircproxy — remote denial of service Related CVEs: CVE-2007-5226 Upstream summary: Securiweb reports: dircproxy allows remote attackers to cause a denial of service (segmentation fault) via an ACTION command without […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read • Source: pkgsrc audit-packages entry Upstream summary: pkgsrc audit-packages flagged mtr<0.72nb1 for vulnerability class 'arbitrary-code-execution'. Reference: http://seclists.org/fulldisclosure/2008/May/0488.html Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]
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VAT Number ( 506152326 )
