Security Hardening

Debian 9 — cyrus-sasl2 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — cyrus-sasl2 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 June 2019 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-19906 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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Ubuntu 14.04 — glusterfs — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — glusterfs — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 23 June 2019 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4770-1 Related CVEs: CVE-2014-3619 CVE-2018-10841 CVE-2018-1088 CVE-2018-10904 CVE-2018-10907 CVE-2018-10911 CVE-2018-10913 CVE-2018-10914  +12 more Upstream summary: It was discovered that GlusterFS incorrectly handled network requests. An attacker could possibly use this […]

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SLES 15 — libICE6 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libICE6 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 23 June 2019 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2017:1835-1 (see also SUSE bugzilla) Related CVEs: CVE-2017-2626 Upstream summary: It was discovered that libICE before 1.0.9-8 used a weak entropy to generate keys. A local attacker could potentially use this flaw […]

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FreeBSD 12 — dovecot — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — dovecot — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 23 June 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Dovecot — DoS Related CVEs: CVE-2008-4577 CVE-2008-4578 CVE-2009-3897 CVE-2011-1929 CVE-2017-15132 CVE-2017-2669 CVE-2019-10691 CVE-2019-11494  +12 more Upstream summary: Dovecot reports: A DoS is possible with a large number of address headers […]

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Common Problems 115060

Multipath device map missing on startup

🟡 Medium   ⏱ 5–30 min  Last verified: 22 June 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 & Cross-Refs References & Further […]

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IBM AIX 7.2 — CVE-2019-4681 — xss — patch and remediation guide — diagnosis and fix on IBM AIX 7.2

IBM AIX 7.2 — CVE-2019-4681 — xss — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 22 June 2019 Affected versions: IBM AIX 7.2 📖 ~4 min read  •  Source: NVD CVE-2019-4681, IBM Support Bulletin CVE: CVE-2019-4681 NVD summary: IBM Tivoli Netcool Impact 7.1.0.0 through 7.1.0.17 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web […]

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Common Problems 115052

RHEL 8 System Falls Into Emergency Mode Due to fstab Mistake

🔴 Critical   ⏱ 5–30 min  Last verified: 22 June 2019 Affected versions: 8.4 8.5 8.6 8.7 8.8 8.9 8.10 📖 ~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 […]

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openSUSE Tumbleweed — libcryptopp5_6 — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libcryptopp5_6 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2015-2141 Upstream summary: The InvertibleRWFunction::CalculateInverse function in rw.cpp in libcrypt++ 5.6.2 does not properly blind private key operations for the Rabin-Williams digital signature algorithm, which […]

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FreeBSD 12 — tptest — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — tptest — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 June 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: tptest — pwd Remote Stack Buffer Overflow Upstream summary: SecurityFocus reports: TPTEST is prone to a remote stack-based buffer-overflow vulnerability. An attacker can exploit this issue to execute arbitrary code […]

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Common Problems 113602

Windows Server 2012 R2 NVMe Driver Mismatch Throttles Throughput After Patching – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 22 June 2019 Affected versions: Windows Server 2012 R2 📖 ~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 […]

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