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Debian 11 — php-letodms-core — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — php-letodms-core — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-4570 Upstream summary: SQL injection vulnerability in LetoDMS_Core/Core/inc.ClassDMS.php in LetoDMS (formerly MyDMS) before 3.3.8 allows remote attackers to execute arbitrary SQL commands via unspecified vectors. Table of contents […]

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Ubuntu 18.04 — golang-yaml.v2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — golang-yaml.v2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 April 2022 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6287-1 Related CVEs: CVE-2021-4235 CVE-2022-3064 Upstream summary: Simon Ferquel discovered that the Go yaml package incorrectly handled certain YAML documents. If a user or an automated system were tricked into […]

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Ubuntu 20.04 — stunnel4 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — stunnel4 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 April 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6901-1 Related CVEs: CVE-2021-20230 Upstream summary: It was discovered that stunnel did not properly validate client certificates when configured to use both the redirect and verifyChain options. A remote attacker […]

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Common Problems 120599

Debian 11 RAID Array Degraded Without Alerting

🔴 Critical   ⏱ 5–30 min  Last verified: 1 April 2022 Affected versions: Debian 11 📖 ~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 Secure Nginx with Let's Encrypt and Certbot on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Secure Nginx with Let’s Encrypt and Certbot on RHEL 8

Let’s Encrypt provides free, automatically renewable TLS certificates, and Certbot is the recommended client for obtaining and managing them. On RHEL 8, the certbot and python3-certbot-nginx packages are available from the EPEL (Extra Packages for Enterprise Linux) repository. Once installed, Certbot can automatically obtain a certificate and modify your Nginx configuration to enable HTTPS. This […]

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IBM AIX 7.3 — CVE-2010-4622 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2010-4622 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 31 March 2022 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2010-4622, IBM Support Bulletin CVE: CVE-2010-4622 NVD summary: Directory traversal vulnerability in WebSEAL in IBM Tivoli Access Manager for e-business 6.1.1 before 6.1.1-TIV-AWS-FP0001 on AIX allows remote attackers to read arbitrary files […]

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How to Configure Xdebug for PHP on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Configure Xdebug for PHP on CentOS Stream 9

Introduction CentOS Stream 9 ships with a stable, security-hardened base that makes deploying configure xdebug for php on centos stream 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Configure Xdebug for PHP on CentOS Stream 9, including dnf module streams where applicable, systemd unit management, and the firewalld rules […]

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Oracle Linux 8 — libldb security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — libldb security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2022-7730)

🟡 Medium   ⏱ 10–30 min  Last verified: 31 March 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-7730 Related CVEs: CVE-2022-32746 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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FreeBSD 12 — py311-slixmpp — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py311-slixmpp — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 31 March 2022 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Slixmpp — Lack of SSL Certificate hostname validation in XMLStream Related CVEs: CVE-2022-45197 Upstream summary: NIST reports: Slixmpp before 1.8.3 lacks SSL Certificate hostname validation in XMLStream, allowing an attacker […]

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Debian 11 — lintian — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — lintian — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 31 March 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-1000 CVE-2009-4013 CVE-2009-4014 CVE-2009-4015 CVE-2013-1429 CVE-2017-8829 Upstream summary: lintian 1.23 and earlier removes the working directory even if it was not created by lintian, which may allow local […]

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