IT, Cloud & DevOps Blog

Arch Linux — libdwarf — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — libdwarf — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • September 19, 2019
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201612-4 Related CVEs: CVE-2016-9558 CVE-2016-9480 CVE-2016-9276 CVE-2016-9275 CVE-2016-8681 CVE-2016-8680 CVE-2016-8679 CVE-2016-7511  +12 more Upstream summary: Type: multiple issues. Status: Fixed. Affected: 20161021-1. Fixed in: 20161124-1. Group: AVG-89. Table of contents […]

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FreeBSD 12 — lbreakout — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — lbreakout — vulnerability — patch and remediation guide

  • September 19, 2019
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 19 September 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: lbreakout2 vulnerability in environment variable handling Related CVEs: CVE-2004-0158 Upstream summary: Ulf Härnhammar discovered an exploitable vulnerability in lbreakout2's environmental variable handling. In several instances, the contents of the HOME […]

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How To Install and Secure the Mosquitto MQTT Messaging Broker on CentOS 7 — step-by-step Linux tutorial on Progressive Robot

How To Install and Secure the Mosquitto MQTT Messaging Broker on CentOS 7

  • September 19, 2019
  • Linux
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MQTT is a machine-to-machine messaging protocol, designed to provide lightweight publish/subscribe communication to “Internet of Things” devices. Mosquitto is a popular MQTT server (or broker, in MQTT parlance) that has great community support and is easy to install and configure. In this tutorial, we’ll install Mosquitto, retrieve SSL certificates from Let’s Encrypt, and set up our broker to use SSL to secure our password-protected MQTT communications.

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FreeBSD 12 — rubygem-railties — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — rubygem-railties — multiple vulnerabilities (5 CVEs) — patch and remediation guide

  • September 19, 2019
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 19 September 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: rails — multiple vulnerabilities Related CVEs: CVE-2013-4491 CVE-2013-6414 CVE-2013-6415 CVE-2013-6416 CVE-2013-6417 Upstream summary: Rails weblog: Rails 3.2.16 and 4.0.2 have been released! These two releases contain important security fixes, so […]

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Debian 10 — ruby-rack-cors — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — ruby-rack-cors — vulnerability — patch and remediation guide

  • September 19, 2019
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 19 September 2019 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-18978 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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SLES 15 — libgc1 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libgc1 — vulnerability — patch and remediation guide

  • September 19, 2019
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 19 September 2019 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2012-2673 Upstream summary: Multiple integer overflows in the (1) GC_generic_malloc and (2) calloc functions in malloc.c, and the (3) GC_generic_malloc_ignore_off_page function in mallocx.c in Boehm-Demers-Weiser […]

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Oracle Linux 8 — GraalVM — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — GraalVM — vulnerability — patch and remediation guide (ELSA-2023-12670)

  • September 19, 2019
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 19 September 2019 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-12670 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 […]

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