How to Set Up Two-Factor Authentication for SSH with Google Authenticator on RHEL 7 Password-based SSH authentication is vulnerable to brute-force attacks, credential stuffing, and phishing. Adding a second authentication factor — a time-based one-time password (TOTP) generated by an app like Google Authenticator or Authy — dramatically reduces this risk. Even if an attacker […]
🟡 Medium ⏱ 5–30 min Last verified: 20 December 2019 📖 ~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 & Cross-Refs References & Further […]
🟢 Low ⏱ 5–15 min Last verified: 20 December 2019 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: libzip — integer overflow Related CVEs: CVE-2015-2331 Upstream summary: libzip developers report: Avoid integer overflow. Fixed similarly to patch used in PHP copy of libzip. Table of contents Symptom & […]
🟠 High ⏱ 5–30 min Last verified: 20 December 2019 Affected versions: Windows Server 2012 R2 📖 ~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 […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read • Source: Arch ASA ASA-201902-8 Related CVEs: CVE-2018-19802 CVE-2018-19801 CVE-2018-19800 Upstream summary: Type: denial of service. Status: Fixed. Affected: 0.4.8-1. Fixed in: 0.4.9-1. Group: AVG-888. Table of contents Symptom & Impact Environment & Reproduction […]
🟢 Low ⏱ 5–15 min Last verified: 20 December 2019 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: libmusicbrainz — multiple buffer overflow vulnerabilities Related CVEs: CVE-2006-4197 Upstream summary: SecurityFocus reports about libmusicbrainz: The libmusicbrainz library is prone to multiple buffer-overflow vulnerabilities because the application fails to check […]
Introduction This tutorial covers How to Configure PHP Error Logging on SLES 12 on SLES 12. SLES 12 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 12 system is up to date: zypper […]
🟡 Medium ⏱ 10–30 min Last verified: 20 December 2019 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: cgit — directory traversal vulnerability Related CVEs: CVE-2016-1899 CVE-2016-1900 CVE-2016-1901 CVE-2018-14912 Upstream summary: Jann Horn reports: cgit_clone_objects in CGit before 1.2.1 has a directory traversal vulnerability when `enable-http-clone=1` is not […]
🟢 Low ⏱ 5–15 min Last verified: 20 December 2019 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4523-1 Related CVEs: CVE-2019-9656 Upstream summary: It was discovered that LibOFX did not properly check for errors in certain situations, leading to a NULL pointer dereference. A remote attacker could […]
🟠 High ⏱ 15–60 min Last verified: 20 December 2019 Affected versions: SLES 15 📖 ~4 min read • Source: SUSE advisory SUSE-SA:2006:027 (see also SUSE bugzilla) Related CVEs: CVE-2006-2607 CVE-2010-0424 CVE-2019-9704 CVE-2019-9705 Upstream summary: do_command.c in Vixie cron (vixie-cron) 4.1 does not check the return code of a setuid call, which might allow […]
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