IT, Cloud & DevOps Blog

Gentoo Linux — dev-java/svgsalamander — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — dev-java/svgsalamander — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202003-11 Related CVEs: CVE-2017-5617 Upstream summary: A Server-Side Request Forgery was discovered in SVG Salamander. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution […]

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Java Servlet Filter Example Tutorial — step-by-step Programming tutorial on Progressive Robot

Java Servlet Filter Example Tutorial

URL: https://www.progressiverobot.com/java-servlet-filter-example-tutorial/ Java Servlet Filter is used to intercept the client request and do some pre-processing. It can also intercept the response and do post-processing before sending to the client in web application. This is the fourth article in the series of Web Applications Tutorial, you might want to check out earlier articles too. [Java […]

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FreeBSD 12 — ruby+pthreads — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — ruby+pthreads — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 31 December 2019 Affected versions: FreeBSD 12 📖 ~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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Alpine Linux edge — file — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — file — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 5.37-r1 📖 ~4 min read  •  Source: Alpine secdb entry — file 5.37-r1 Related CVEs: CVE-2019-18218 CVE-2019-1543 CVE-2019-8904 CVE-2019-8905 CVE-2019-8906 CVE-2019-8907 Upstream summary: Alpine main repository for vedge ships file 5.37-r1 which addresses CVE-2019-18218. Table of […]

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How To Set Up Shiny Server on Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

How To Set Up Shiny Server on Ubuntu 14.04

[Shiny](http://shiny.rstudio.com/) is an R package that allows users to convert R code into an interactive webpage. [Shiny server](http://www.rstudio.com/products/shiny/shiny-server/) is a server provided by RStudio that can be used to host and manage Shiny applications on the web. Other than hosting Shiny applications, Shiny Server can also host [interactive R markdown documents](http://rmarkdown.rstudio.com/). In this guide, we will learn how to set up the open source Shiny Server on a Dig

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FreeBSD 12 — exim-ldap — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — exim-ldap — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 31 December 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: exim — local privilege escalation Related CVEs: CVE-2004-0400 CVE-2005-0021 CVE-2005-0022 CVE-2011-0017 Upstream summary: exim.org reports: CVE-2011-0017 – check return value of setuid/setgid. This is a privilege escalation vulnerability whereby the […]

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How to Set Up RADIUS Authentication on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up RADIUS Authentication on Windows Server 2019

Introduction to RADIUS Authentication RADIUS (Remote Authentication Dial-In User Service) is a networking protocol that provides centralized authentication, authorization, and accounting (AAA) for network access. Windows Server 2019 implements RADIUS through the Network Policy Server (NPS) role. NPS acts as a RADIUS server that authenticates users trying to connect via VPN, wireless access points, 802.1X […]

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Arch Linux — ntp — multiple vulnerabilities (16 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — ntp — multiple vulnerabilities (16 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201803-11 Related CVEs: CVE-2018-7185 CVE-2018-7184 CVE-2018-7183 CVE-2018-7182 CVE-2018-7170 CVE-2016-1549 CVE-2016-9311 CVE-2016-9310  +8 more Upstream summary: Type: multiple issues. Status: Fixed. Affected: 4.2.8.p10-1. Fixed in: 4.2.8.p11-1. Group: AVG-647. Table of contents […]

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