Operations

FreeBSD 12 — mariadb105-client — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — mariadb105-client — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • June 25, 2021
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 25 June 2021 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: MariaDB — Multiple vulnerabilities Related CVEs: CVE-2020-15180 CVE-2021-46659 CVE-2021-46661 CVE-2021-46663 CVE-2021-46664 CVE-2021-46665 CVE-2021-46668 CVE-2021-46669  +12 more Upstream summary: The MariaDB project reports: MariaDB fixed 23 vulnerabilities across all supported versions […]

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How to Configure Kerberos Authentication on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure Kerberos Authentication on Windows Server 2016

How to Configure Windows Server 2016 Kerberos Authentication Kerberos is the primary authentication protocol used by Windows Server 2016 in Active Directory domain environments. It replaced NTLM as the default authentication method starting with Windows 2000 and provides mutual authentication, stronger security guarantees, and better scalability than its predecessor. Kerberos uses tickets issued by the […]

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Oracle Linux 8 — container-tools:ol8 security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — container-tools:ol8 security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2021-1796)

  • June 24, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 24 June 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-1796 Related CVEs: CVE-2020-29652 CVE-2021-20199 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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FreeBSD 13 — libproxy-kde — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — libproxy-kde — vulnerability — patch and remediation guide

  • June 24, 2021
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 24 June 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libproxy — stack-based buffer overflow Related CVEs: CVE-2012-4504 Upstream summary: Tomas Hoger reports: A buffer overflow flaw was discovered in the libproxy's url::get_pac() used to download proxy.pac proxy auto-configuration file. […]

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Common Problems 121568

Firewall Rules Blocking Internal Application Traffic

🟠 High   ⏱ 5–30 min  Last verified: 24 June 2021 Affected versions: Debian 9 📖 ~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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FreeBSD 13 — ruby+pthreads — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — ruby+pthreads — multiple vulnerabilities (9 CVEs) — patch and remediation guide

  • June 24, 2021
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 24 June 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: ruby — UTF-7 encoding XSS vulnerability in WEBrick Related CVEs: CVE-2006-5467 CVE-2006-6303 CVE-2008-1447 CVE-2008-2726 CVE-2008-3655 CVE-2008-3656 CVE-2008-3905 CVE-2009-1904  +1 more Upstream summary: The official ruby site reports: WEBrick have had […]

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How to Configure Swap Space on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure Swap Space on FreeBSD 13

  • June 24, 2021
  • FreeBSD
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Introduction How to Configure Swap Space on FreeBSD 13 is a core administration task for any FreeBSD 13 server operator. FreeBSD 13 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet filtering, […]

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Common Problems 115117

Auditd Stops Logging Due to Disk Full Condition

🟡 Medium   ⏱ 5–30 min  Last verified: 24 June 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 […]

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FreeBSD 13 — postgresql95-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — postgresql95-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • June 24, 2021
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 24 June 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: PostgresSQL — TYPE in pg_temp execute arbitrary SQL during `SECURITY DEFINER` execution Related CVEs: CVE-2016-0766 CVE-2016-0773 CVE-2016-2193 CVE-2016-3065 CVE-2016-5423 CVE-2016-5424 CVE-2017-15098 CVE-2017-15099  +12 more Upstream summary: The PostgreSQL project reports: […]

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Ubuntu 20.04 — node-trim-newlines — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — node-trim-newlines — vulnerability — patch and remediation guide

  • June 24, 2021
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 24 June 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5999-1 Related CVEs: CVE-2021-33623 Upstream summary: It was discovered that trim-newlines incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input […]

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