ubuntu

Ubuntu 18.04 — gnome-bluetooth — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — gnome-bluetooth — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 28 August 2019 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-3856-1 Related CVEs: CVE-2018-10910 Upstream summary: Chris Marchesi discovered that BlueZ incorrectly handled disabling Bluetooth visibility. A remote attacker could possibly pair to devices, contrary to expectations. This update adds […]

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Ubuntu 14.04 — libmatio — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — libmatio — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 August 2019 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5185-1 Related CVEs: CVE-2019-17533 Upstream summary: It was discovered that MATIO incorrectly handled certain inputs. An attacker could possibly use this issue to cause a denial of service or obtain […]

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How To Install Zentyal on Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

How To Install Zentyal on Ubuntu 14.04

Get started with Zentyal, the open source drop-in replacement for Microsoft Small Business Server / Windows Server Essentials. Zentyal is an all-in-one small business server that can be run via the command line or a graphical dashboard.

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Common Problems 118130

Ubuntu 18.04 End of Standard Support Upgrade Planning Gaps

🟡 Medium   ⏱ 5–30 min  Last verified: 26 August 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 […]

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Ubuntu 14.04 — libapreq2 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — libapreq2 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 August 2019 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5041-1 Related CVEs: CVE-2019-12412 Upstream summary: It was discovered that libapreq2 did not properly sanitize the Content-Type field in certain crafted HTTP requests. An attacker could possibly use the vulnerability […]

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Common Problems 118612

Ubuntu 16.04 LTS – sudo fails due to incorrect /etc/sudoers permissions – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 25 August 2019 Affected versions: Ubuntu 16.04 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 […]

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Common Problems 119006

Ubuntu 14.04 LTS – DHCP lease not renewing causes network loss – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 24 August 2019 Affected versions: Ubuntu 14.04 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 […]

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Common Problems 118974

Ubuntu 14.04 LTS sudo Stops Working Due to Broken Permissions

🟡 Medium   ⏱ 5–30 min  Last verified: 23 August 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 […]

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