Systemd Services

FreeBSD 12 — openvpn-mbedtls — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — openvpn-mbedtls — multiple vulnerabilities (11 CVEs) — patch and remediation guide

  • September 29, 2019
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 29 September 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: openvpn — Potential authentication by-pass with multiple deferred authentication plug-ins Related CVEs: CVE-2017-12166 CVE-2017-7478 CVE-2017-7479 CVE-2017-7508 CVE-2017-7512 CVE-2017-7520 CVE-2017-7521 CVE-2017-7522  +3 more Upstream summary: David Sommerseth reports: OpenVPN 2.1 until […]

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

FreeBSD 12 — cgiwrap — vulnerability — patch and remediation guide

  • September 29, 2019
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 29 September 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: cgiwrap — XSS Vulnerability Related CVEs: CVE-2008-2852 Upstream summary: Secunia reports: A vulnerability has been reported in CGIWrap, which can be exploited by malicious people to conduct cross-site scripting attacks. […]

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Ubuntu 18.04 — zipios++ — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — zipios++ — vulnerability — patch and remediation guide

  • September 29, 2019
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 29 September 2019 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4057-1 Related CVEs: CVE-2019-13453 Upstream summary: Mike Salvatore discovered that Zipios mishandled certain malformed ZIP files. An attacker could use this vulnerability to cause a denial of service or consume […]

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openSUSE Tumbleweed — libpulse0 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libpulse0 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • September 29, 2019
  • Linux
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🟡 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-2008-0008 CVE-2014-3970 Upstream summary: The pa_drop_root function in PulseAudio 0.9.8, and a certain 0.9.9 build, does not check return values from (1) setresuid, (2) setreuid, […]

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How to Install Munin Monitoring on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install Munin Monitoring on Debian 9

  • September 29, 2019
  • Linux
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Introduction Deploying install munin monitoring on debian 9 on a Debian 9 Stretch machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Ensure Debian 9 […]

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SLES 15 — rsvg-view — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — rsvg-view — vulnerability — patch and remediation guide

  • September 29, 2019
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 29 September 2019 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2021:1310-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-20991 Upstream summary: An issue was discovered in the smallvec crate before 0.6.3 for Rust. The Iterator implementation mishandles destructors, leading to a double free. […]

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

Oracle Linux 8 — poppler — vulnerability — patch and remediation guide (ELSA-2020-4643)

  • September 29, 2019
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 29 September 2019 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-4643 Related CVEs: CVE-2019-14494 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 121699

Debian 9 Cron Job Not Running at Scheduled Time

  • September 28, 2019
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 28 September 2019 Affected versions: Debian 9 📖 ~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 — libgd — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — libgd — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • September 28, 2019
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 28 September 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libgd — Denial of servica via double free Related CVEs: CVE-2017-6362 CVE-2017-7890 Upstream summary: libgd developers report: Double free vulnerability in the gdImagePngPtr function in libgd2 before 2.2.5 allows remote […]

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Common Problems 114897

DNF Fails with Metadata Checksum Mismatch

🟡 Medium   ⏱ 5–30 min  Last verified: 28 September 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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