🟠 High ⏱ 15–60 min Last verified: 29 May 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4440-1 Related CVEs: CVE-2019-16089 CVE-2019-19462 CVE-2019-20810 CVE-2019-20908 CVE-2020-10732 CVE-2020-10757 CVE-2020-10766 CVE-2020-10767 +12 more Upstream summary: It was discovered that the network block device (nbd) implementation in the Linux kernel did […]
🟢 Low ⏱ 5–15 min Last verified: 27 May 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5232-1 Related CVEs: CVE-2021-32749 Upstream summary: Jakub Żoczek discovered that certain Fail2ban actions handled whois responses in an insecure way. If Fail2ban was configured to use certain mail actions like […]
SSH (secure shell, безопасная оболочка) представляет собой шифрованный протокол для администрирования и взаимодействия между серверами. Во время работы с сервером Ubuntu вы, скорее всего, будете проводить большую часть времени в вашем терминале, подключенном через SSH к вашему…
🟢 Low ⏱ 5–15 min Last verified: 26 May 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4874-1 Related CVEs: CVE-2020-1945 Upstream summary: It was discovered that Apache Ant created temporary files with insecure permissions. An attacker could use this vulnerability to read sensitive information leaked into […]
Tinc ist ein Open-Source Virtual Private Network (VPN)-Daemon mit nützlichen Funktionen wie Verschlüsselung, optionaler Komprimierung und automatischem Mesh-Routing, der VPN-Verkehr…
Eine frühere Version dieses Tutorials wurde von Justin Ellingwood verfasst Möchten Sie sicher von Ihrem Smartphone oder Laptop auf das Internet zugreifen, wenn Sie mit einem nicht vertrauenswürdigen Netzwerk, wie…
Uma rede virtual privada, ou VPN, permite que você criptografe com segurança o tráfego enquanto ele viaja através de redes não confiáveis, como aquelas em uma cafeteria, uma sala de conferências ou um aeroporto. O IKEv2,…
🟡 Medium ⏱ 5–30 min Last verified: 20 May 2021 📖 ~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 […]
🟠 High ⏱ 5–30 min Last verified: 19 May 2021 Affected versions: Ubuntu 18.04 LTS Ubuntu 18.04 Ubuntu 18.04.6 📖 ~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 […]
🟢 Low ⏱ 5–15 min Last verified: 19 May 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5004-1 Related CVEs: CVE-2019-11287 CVE-2021-22116 Upstream summary: It was discovered that RabbitMQ incorrectly handled certain inputs. An attacker could possibly use this issue to cause a denial of service. This […]
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