🟡 Medium ⏱ 5–30 min Last verified: 16 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 […]
🟡 Medium ⏱ 10–30 min Last verified: 16 May 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4640-1 Related CVEs: CVE-2020-16123 CVE-2020-11931 https://launchpad.net/bugs/1877102 Upstream summary: James Henstridge discovered that an Ubuntu-specific patch caused PulseAudio to incorrectly handle snap client connections. An attacker could possibly use this to […]
Forgetting passwords happens to the best of us. If you forget or lose the **root** password to your MySQL or MariaDB database, you can still gain access and reset the password if you have access to the server and a sudo-enabled user account. In this tutorial you’ll reset the root password for your MySQL or MariaDB database running on Ubuntu 18.04.
![Cómo crear un nuevo usuario habilitado para sudo en Ubuntu 18.04 [Guía de inicio rápido] — step-by-step Linux tutorial on Progressive Robot](https://www.progressiverobot.com/wp-content/uploads/2026/05/how-to-create-a-new-sudo-enabled-user-on-ubuntu-18-04-quickstart-es-77262-featured.png "Cómo crear un nuevo usuario habilitado para sudo en Ubuntu 18.04 [Guía de inicio rápido] 4")
El comando sudo ofrece un mecanismo para conceder privilegios de administrador; normalmente solo está disponible para el usuario root para usuarios normales. En esta guía, aprenderá a crear un nuevo usuario con acceso sudo en Ubuntu 18.04 sin necesidad de modificar el…
L’auteur a choisi le Free and Open Source Fund comme récipiendaire d’une donation dans le cadre du programme Write for Donations. Avec la migration des outils de développement vers le cloud,…
🟢 Low ⏱ 5–15 min Last verified: 12 May 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-6232-1 Related CVEs: CVE-2020-21365 Upstream summary: It was discovered that wkhtmltopdf was not properly enforcing the same-origin policy when processing certain HTML files. If a user or automated system using […]
🟡 Medium ⏱ 5–30 min Last verified: 11 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 […]
🟢 Low ⏱ 5–15 min Last verified: 10 May 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4987-1 Related CVEs: CVE-2021-22204 Upstream summary: It was discovered that ExifTool did not properly sanitize user data for the DjVu file format. An attacker could use this vulnerability to cause […]
🟢 Low ⏱ 5–15 min Last verified: 8 May 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5525-1 Related CVEs: CVE-2021-40690 Upstream summary: It was discovered that Apache XML Security for Java incorrectly passed a configuration property when creating specific key elements. This allows an attacker to […]
🟢 Low ⏱ 5–15 min Last verified: 8 May 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-6016-1 Related CVEs: CVE-2020-7677 Upstream summary: It was discovered that thenify incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input […]
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