Security Hardening

Ubuntu 18.04 — ca-certificates — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — ca-certificates — multiple vulnerabilities (8 CVEs) — patch and remediation guide

  • July 16, 2019
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 16 July 2019 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7034-2 Related CVEs: https://launchpad.net/bugs/2081875 https://launchpad.net/bugs/2020089 https://launchpad.net/bugs/1998785 https://launchpad.net/bugs/1976631 https://launchpad.net/bugs/1944481 https://launchpad.net/bugs/1914064 https://launchpad.net/bugs/1900727 https://launchpad.net/bugs/1881533 Upstream summary: USN-7034-1 updated ca-certificates. This update provides the corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. […]

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

Ubuntu 14.04 — libpcap — vulnerability — patch and remediation guide

  • July 16, 2019
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 16 July 2019 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4221-1 Related CVEs: CVE-2019-15165 Upstream summary: It was discovered that libpcap did not properly validate PHB headers in some situations. An attacker could use this to cause a denial of […]

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openSUSE Tumbleweed — tidy — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — tidy — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • July 16, 2019
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2015:1513-1 (see also SUSE bugzilla) Related CVEs: CVE-2015-5522 CVE-2015-5523 CVE-2016-6583 Upstream summary: Heap-based buffer overflow in the ParseValue function in lexer.c in tidy before 4.9.31 allows remote attackers to cause a denial […]

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SLES 12 — unixODBC — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — unixODBC — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • July 16, 2019
  • Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 16 July 2019 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2019:719-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-7409 CVE-2018-7485 CVE-2011-1145 Upstream summary: In unixODBC before 2.3.5, there is a buffer overflow in the unicode_to_ansi_copy() function in DriverManager/__info.c. Table of contents Symptom & […]

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Common Problems 112589

Windows Server 2019 — Windows Update installs fail with servicing stack corruption — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 15 July 2019 Affected versions: Windows Server 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 […]

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How to Migrate from AIX 7.1 to AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Migrate from AIX 7.1 to AIX 7.2

  • July 15, 2019
  • IBM AIX
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Introduction IBM AIX 7.2 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to migrate from aix 7.1 to aix 7.2 on IBM […]

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How to Configure ZFS Pool Management on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Configure ZFS Pool Management on FreeBSD 12

  • July 15, 2019
  • FreeBSD
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Introduction FreeBSD 12 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up configure zfs pool management on freebsd 12 on FreeBSD 12 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux […]

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openSUSE Tumbleweed — ack — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — ack — vulnerability — patch and remediation guide

  • July 15, 2019
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2013-7069 Upstream summary: ack 2.00 through 2.11_02 allows remote attackers to execute arbitrary code via a (1) –pager, (2) –regex, or (3) –output option in […]

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openSUSE Tumbleweed — libgssglue1 — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libgssglue1 — vulnerability — patch and remediation guide

  • July 15, 2019
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2011-2709 Upstream summary: libgssapi and libgssglue before 0.4 do not properly check privileges, which allows local users to load untrusted configuration files and execute arbitrary […]

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How to Back Up and Restore MySQL Databases on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Back Up and Restore MySQL Databases on FreeBSD 12

  • July 15, 2019
  • FreeBSD
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Introduction FreeBSD 12 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up back up and restore mysql databases on freebsd 12 on FreeBSD 12 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from […]

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