Common Problems

Common Problems 118612

Ubuntu 16.04 LTS – sudo fails due to incorrect /etc/sudoers permissions – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 25 August 2019 Affected versions: Ubuntu 16.04 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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FreeBSD 12 — libproxy-gnome — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — libproxy-gnome — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 August 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libproxy — stack-based buffer overflow Related CVEs: CVE-2012-4504 Upstream summary: Tomas Hoger reports: A buffer overflow flaw was discovered in the libproxy's url::get_pac() used to download proxy.pac proxy auto-configuration file. […]

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

FreeBSD 12 — xdelta — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 August 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: xdelta3 — buffer overflow vulnerability Related CVEs: CVE-2014-9765 Upstream summary: Stepan Golosunov reports: Buffer overflow was found and fixed in xdelta3 binary diff tool that allows arbitrary code execution from […]

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Common Problems 115008

RHEL 8 sudo Fails When SSSD or Identity Provider Is Unavailable

🟡 Medium   ⏱ 5–30 min  Last verified: 25 August 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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FreeBSD 12 — rubygem-loofah — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — rubygem-loofah — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 August 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Loofah — XSS vulnerability Related CVEs: CVE-2018-16468 CVE-2018-8048 CVE-2019-15587 Upstream summary: GitHub issue: This issue has been created for public disclosure of an XSS vulnerability that was responsibly reported by […]

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FreeBSD 12 — apache+mod_ssl+mod_accel+mod_deflate — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — apache+mod_ssl+mod_accel+mod_deflate — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 August 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: apache — Prevent chunk-size integer overflow on platforms where sizeof(int) < sizeof(long) Related CVEs: CVE-2005-2088 CVE-2005-3352 CVE-2006-3747 Upstream summary: Apache ChangeLog reports: Integer overflow in the ap_proxy_send_fb function in proxy/proxy_util.c […]

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FreeBSD 12 — rubygem-jquery-rails — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — rubygem-jquery-rails — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 August 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: rubygem-rails — multiple vulnerabilities Related CVEs: CVE-2015-1840 CVE-2015-3224 CVE-2015-3225 CVE-2015-3226 CVE-2015-3227 Upstream summary: Ruby on Rails blog: Rails 3.2.22, 4.1.11 and 4.2.2 have been released, along with web console and […]

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Oracle Linux 8 — pki-deps:10.6 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — pki-deps:10.6 — vulnerability — patch and remediation guide (ELSA-2019-2720)

🟠 High   ⏱ 15–60 min  Last verified: 25 August 2019 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-2720 Related CVEs: CVE-2019-12384 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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Common Problems 119006

Ubuntu 14.04 LTS – DHCP lease not renewing causes network loss – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 24 August 2019 Affected versions: Ubuntu 14.04 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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