December 2023 - Page 29 of 89

NetBSD 9.4 — mc — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — mc — vulnerability — patch and remediation guide

  • December 22, 2023
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2021-36370 Upstream summary: pkgsrc audit-packages flagged mc<4.6.1rc2 for vulnerability class 'privilege-escalation'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0226 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Ubuntu 20.04 — maradns — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — maradns — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • December 22, 2023
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 22 December 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6271-1 Related CVEs: CVE-2022-30256 CVE-2023-31137 Upstream summary: Xiang Li discovered that MaraDNS incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted […]

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How to Set Up FTP Server with vsftpd on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Set Up FTP Server with vsftpd on Debian 12

  • December 22, 2023
  • Linux
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Introduction Deploying set up ftp server with vsftpd on debian 12 on a Debian 12 Bookworm 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 […]

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Oracle Linux 9 — libX11 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — libX11 — vulnerability — patch and remediation guide (ELSA-2024-2145)

  • December 22, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 22 December 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-2145 Related CVEs: CVE-2023-43786 CVE-2023-43787 CVE-2023-43785 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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Debian 12 — ghostscript — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — ghostscript — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • December 22, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 22 December 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-2721 CVE-2007-6725 CVE-2008-0411 CVE-2008-3520 CVE-2008-3522 CVE-2008-6679 CVE-2009-0196 CVE-2009-0583  +12 more Upstream summary: The jpc_qcx_getcompparms function in jpc/jpc_cs.c for the JasPer JPEG-2000 library (libjasper) before 1.900 allows remote user-assisted […]

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Alpine Linux 3.18 — procps-ng — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — procps-ng — vulnerability — patch and remediation guide

  • December 22, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 4.0.4-r0 📖 ~4 min read  •  Source: Alpine secdb entry — procps-ng 4.0.4-r0 Related CVEs: CVE-2023-4016 Upstream summary: Alpine main repository for vv3.18 ships procps-ng 4.0.4-r0 which addresses CVE-2023-4016. Table of contents Symptom & Impact Environment […]

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Common Problems 120103

Debian 12 – logrotate fails due to syntax errors or missing permissions

  • December 22, 2023
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 22 December 2023 Affected versions: Debian 12 📖 ~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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Alpine Linux 3.18 — knot-resolver — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — knot-resolver — multiple vulnerabilities (8 CVEs) — patch and remediation guide

  • December 22, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 5.7.1-r0 📖 ~4 min read  •  Source: Alpine secdb entry — knot-resolver 5.7.1-r0 Related CVEs: CVE-2023-50387 CVE-2023-50868 CVE-2022-40188 CVE-2020-12667 CVE-2019-19331 CVE-2019-10190 CVE-2019-10191 CVE-2018-1110 Upstream summary: Alpine community repository for vv3.18 ships knot-resolver 5.7.1-r0 which addresses CVE-2023-50387. […]

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How to Configure rkhunter Rootkit Scanner on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Configure rkhunter Rootkit Scanner on Debian 12

  • December 22, 2023
  • Linux
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Introduction Deploying configure rkhunter rootkit scanner on debian 12 on a Debian 12 Bookworm 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 You will […]

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NetBSD 9.4 — liblnk — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — liblnk — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • December 21, 2023
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2018-12096 CVE-2018-12097 CVE-2018-12098 Upstream summary: pkgsrc audit-packages flagged liblnk<20180626 for vulnerability class 'information-disclosure'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2018-12096 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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