Common Problems

Debian 11 — reprepro — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — reprepro — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 December 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-4739 Upstream summary: reprepro 1.3.0 through 2.2.3 does not properly verify signatures when updating repositories, which allows remote attackers to construct and distribute an ostensibly valid Release.gpg file […]

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Common Problems 111719

Windows Server 2022 — Cluster Shared Volume Enters Redirected Access Mode Unexpectedly — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 8 December 2022 Affected versions: Windows Server 2022 📖 ~1 min read Table of contents Symptom & Impact Quick Checks Deep Diagnosis Primary Fix Verification Prevention & Hardening Symptom & Impact CSV volumes switch to redirected mode causing sharp performance drops for clustered VMs. Live migrations and […]

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Debian 11 — python-mistral-lib — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — python-mistral-lib — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 December 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-3866 Upstream summary: An information-exposure vulnerability was discovered where openstack-mistral's undercloud log files containing clear-text information were made world readable. A malicious system user could exploit this flaw […]

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

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

🟠 High   ⏱ 15–60 min  Last verified: 8 December 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-2952 CVE-2009-3767 CVE-2010-0211 CVE-2010-0212 CVE-2011-1024 CVE-2011-1025 CVE-2011-1081 CVE-2011-4079  +12 more Upstream summary: liblber/io.c in OpenLDAP 2.2.4 to 2.4.10 allows remote attackers to cause a denial of service (program […]

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Ubuntu 22.04 — ecdsautils — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — ecdsautils — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 December 2022 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6239-1 Related CVEs: CVE-2022-24884 Upstream summary: It was discovered that ECDSA Util did not properly verify certain signature values. An attacker could possibly use this issue to bypass signature verification. […]

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Oracle Linux 8 — ol8addon — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — ol8addon — vulnerability — patch and remediation guide (ELSA-2023-18908)

🟠 High   ⏱ 15–60 min  Last verified: 8 December 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-18908 Related CVEs: CVE-2022-2879 CVE-2022-41720 CVE-2022-41716 CVE-2022-32190 CVE-2022-2880 CVE-2022-41717 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Oracle Linux 9 — firefox — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — firefox — vulnerability — patch and remediation guide (ELSA-2022-8580)

🟠 High   ⏱ 15–60 min  Last verified: 8 December 2022 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-8580 Related CVEs: CVE-2022-45421 CVE-2022-45416 CVE-2022-45406 CVE-2022-45403 CVE-2022-45408 CVE-2022-45405 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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IBM AIX 7.3 — CVE-2010-1347 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2010-1347 — vulnerability — patch and remediation guide

🟠 High   ⏱ 30–90 min  Last verified: 8 December 2022 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2010-1347, IBM Support Bulletin CVE: CVE-2010-1347 NVD summary: Director Agent 6.1 before 6.1.2.3 in IBM Systems Director on AIX and Linux uses incorrect permissions for the (1) diruninstall and (2) opt/ibm/director/bin/wcitinst scripts, […]

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Common Problems 116915

Ubuntu 22.04 LTS – DNS resolution fails with systemd-resolved – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 7 December 2022 Affected versions: Ubuntu 22.04 LTS 📖 ~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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