Fix Prevention

Ubuntu 14.04 — poppler — multiple vulnerabilities (20 CVEs) — patch and remediation guide

• October 22, 2019
• Linux
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🟠 High   ⏱ 15–60 min  Last verified: 22 October 2019 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-3905-1 Related CVEs: CVE-2019-9200 CVE-2018-20551 CVE-2019-7310 CVE-2018-20481 CVE-2018-20650 CVE-2018-16646 CVE-2018-19149 CVE-2018-19058  +12 more Upstream summary: It was discovered that poppler incorrectly handled certain PDF files. An attacker could possibly use […]

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How to Configure a Network Adapter on Windows Server 2016

• October 22, 2019
• Tutorials
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How to Set Up Windows Server 2016 Network Adapter Configuring the network adapter correctly on Windows Server 2016 is one of the first and most critical tasks after installation. A server that uses DHCP for its IP address can cause connectivity disruptions whenever the lease changes. This guide covers assigning a static IP address, configuring […]

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Amazon Linux 2 — setup — vulnerability — patch and remediation guide

• October 22, 2019
• Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2019-1158 Related CVEs: CVE-2018-1113 Upstream summary: Setup in Amazon Linux 2 added /sbin/nologin and /usr/sbin/nologin to /etc/shells. This violates security assumptions made by pam_shells and some daemons which allow access […]

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SLES 15 — libecryptfs1 — multiple vulnerabilities (9 CVEs) — patch and remediation guide

• October 22, 2019
• Linux
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🟠 High   ⏱ 15–60 min  Last verified: 22 October 2019 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2011:0898-1 (see also SUSE bugzilla) Related CVEs: CVE-2011-1831 CVE-2011-1832 CVE-2011-1834 CVE-2011-1835 CVE-2011-1837 CVE-2011-1833 CVE-2014-9687 CVE-2016-1572  +1 more Upstream summary: utils/mount.ecryptfs_private.c in ecryptfs-utils before 90 does not properly check mountpoint permissions, which allows […]

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Debian 10 — netty — multiple vulnerabilities (2 CVEs) — patch and remediation guide

• October 22, 2019
• Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 22 October 2019 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-16869 CVE-2019-20444 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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Oracle Linux 8 — python-reportlab — vulnerability — patch and remediation guide (ELSA-2023-5790)

• October 22, 2019
• Linux
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🟠 High   ⏱ 15–60 min  Last verified: 22 October 2019 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-5790 Related CVEs: CVE-2019-19450 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Ubuntu 16.04 LTS Docker daemon fails with cgroup driver mismatch

• October 21, 2019
• Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 21 October 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 18.04 OOM Killer Terminates Database Service

• October 21, 2019
• Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 21 October 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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How to Set Up GitLab CE on SLES 15

• October 21, 2019
• SUSE Linux Enterprise
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Introduction This tutorial covers How to Set Up GitLab CE on SLES 15 on SLES 15. SLES 15 (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 15 system is up to date: zypper […]

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IBM AIX 7.2 — CVE-2019-4377 — vulnerability — patch and remediation guide

• October 21, 2019
• Tutorials
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🟡 Medium   ⏱ 15–45 min  Last verified: 21 October 2019 Affected versions: IBM AIX 7.2 📖 ~4 min read  •  Source: NVD CVE-2019-4377, IBM Support Bulletin CVE: CVE-2019-4377 NVD summary: IBM Sterling B2B Integrator 6.0.0.0 and 6.0.0.1 reveals sensitive information from a stack trace that could be used in further attacks against the system. […]

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