Security Hardening

FreeBSD 13 — mutt-devel — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — mutt-devel — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mutt-devel — failure to check SMTP TLS server certificate Related CVEs: CVE-2011-1429 Upstream summary: Dave B reports on Full Disclosure: It seems that mutt fails to check the validity of […]

Read more
How to Set Up a Certificate Authority with OpenSSL on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Set Up a Certificate Authority with OpenSSL on FreeBSD 13

Introduction Deploying set up a certificate authority with openssl on freebsd 13 on a FreeBSD 13 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely […]

Read more
Common Problems 112477

Windows Server 2019 – Endpoint filter driver deadlock blocks file and network I/O – Fix and Prevention

🟠 High   ⏱ 5–30 min  Last verified: 24 November 2021 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 […]

Read more
FreeBSD 13 — pear-Net_Traceroute — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — pear-Net_Traceroute — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: PEAR — Net_Ping and Net_Traceroute remote arbitrary command injection Related CVEs: CVE-2009-4024 CVE-2009-4025 Upstream summary: PEAR Security Advisory reports: Multiple remote arbitrary command injections have been found in the Net_Ping […]

Read more
FreeBSD 13 — php56-soap — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — php56-soap — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 24 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: php — multiple vulnerabilities Related CVEs: CVE-2015-6831 CVE-2015-6832 CVE-2015-6833 CVE-2015-6834 CVE-2015-6835 CVE-2015-6836 CVE-2015-6837 CVE-2015-6838 Upstream summary: PHP reports: Core: Fixed bug #70755 (fpm_log.c memory leak and buffer overflow). GD: Fixed […]

Read more
FreeBSD 13 — razor-agents — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — razor-agents — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: razor-agents — denial of service vulnerability Upstream summary: A Secunia security advisory reports: Two vulnerabilities have been reported in Razor-agents, which can be exploited by malicious people to cause a […]

Read more
Debian 11 — unp — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — unp — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-6610 Upstream summary: unp 1.0.12, and other versions before 1.0.14, does not properly escape file names, which might allow context-dependent attackers to execute arbitrary commands via shell metacharacters […]

Read more
Debian 11 — snmptrapfmt — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — snmptrapfmt — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2006-0050 Upstream summary: snmptrapfmt in Debian 3.0 allows local users to overwrite arbitrary files via a symlink attack on a temporary log file. Table of contents Symptom & […]

Read more
Amazon Linux 2 — rpm — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — rpm — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2021-1689 Related CVEs: CVE-2021-20271 CVE-2021-3421 Upstream summary: A flaw was found in RPM's signature check functionality when reading a package file. This flaw allows an attacker who can convince a […]

Read more
Debian 11 — gnupg2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — gnupg2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 24 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-2023 CVE-2006-3082 CVE-2006-3746 CVE-2006-6169 CVE-2006-6235 CVE-2007-1263 CVE-2008-1530 CVE-2010-2547  +12 more Upstream summary: The send_pinentry_environment function in asshelp.c in gpg2 on SUSE Linux 9.3 does not properly handle certain […]

Read more
CHAT