March 2020 - Page 43 of 63

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

FreeBSD 12 — pam_ldap — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 March 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: pam_ldap — authentication bypass vulnerability Related CVEs: CVE-2005-2641 Upstream summary: Luke Howard reports: If a pam_ldap client authenticates against an LDAP server that returns a passwordPolicyResponse control, but omits the […]

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

Oracle Linux 8 — libcroco — vulnerability — patch and remediation guide (ELSA-2020-3654)

🟡 Medium   ⏱ 10–30 min  Last verified: 11 March 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-3654 Related CVEs: CVE-2020-12825 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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Gentoo Linux — net-libs/pcre2 — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — net-libs/pcre2 — 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-202006-16 Related CVEs: CVE-2019-20454 Upstream summary: PCRE2 has a flaw when handling JIT-compiled regex using the X pattern. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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Debian 9 — mailman — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — mailman — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 11 March 2020 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-0618 CVE-2018-5950 CVE-2020-12137 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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An Introduction To Regular Expressions — step-by-step Linux tutorial on Progressive Robot

An Introduction To Regular Expressions

This tutorial will give an insight to regular expressions without going into particularities of any language. We will simply use egrep to explain the concepts. Regular expressions are templates to match patterns (or sometimes not to match patterns). They provide a way to describe and parse text.

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Common Problems 114921

RHEL 8 SELinux Denying httpd Access to Custom Content Path

🟡 Medium   ⏱ 5–30 min  Last verified: 10 March 2020 📖 ~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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