Linux

Debian 11 — libjifty-dbi-perl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libjifty-dbi-perl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 December 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2011-1933 Upstream summary: SQL injection vulnerability in Jifty::DBI before 0.68. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – […]

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Common Problems 117069

Ubuntu 22.04 LTS – sudo fails because hostname cannot be resolved

🟡 Medium   ⏱ 5–30 min  Last verified: 25 December 2022 Affected versions: Ubuntu 22.04 LTS Ubuntu 22.04 Ubuntu 22.04.4 📖 ~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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Debian 11 — libyang — multiple vulnerabilities (18 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libyang — multiple vulnerabilities (18 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 December 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-19333 CVE-2019-19334 CVE-2019-20391 CVE-2019-20392 CVE-2019-20393 CVE-2019-20394 CVE-2019-20395 CVE-2019-20396  +10 more Upstream summary: In all versions of libyang before 1.0-r5, a stack-based buffer overflow was discovered in the way […]

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Debian 11 — libbsd — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libbsd — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 December 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-2090 CVE-2019-20367 Upstream summary: Off-by-one vulnerability in the fgetwln function in libbsd before 0.8.2 allows attackers to have unspecified impact via unknown vectors, which trigger a heap-based buffer […]

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Ubuntu 20.04 — memcached — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — memcached — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 December 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6382-1 Related CVEs: CVE-2022-48571 Upstream summary: It was discovered that Memcached incorrectly handled certain multi-packet uploads in UDP. An attacker could possibly use this issue to cause a denial of […]

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SLES 12 — libyajl2 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — libyajl2 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 December 2022 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2022:2276-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-24795 Upstream summary: yajl-ruby is a C binding to the YAJL JSON parsing and generation library. The 1.x branch and the 2.x branch of `yajl` […]

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Как обновить сервер до Ubuntu 16.04 LTS — step-by-step Linux tutorial on Progressive Robot

Как обновить сервер до Ubuntu 16.04 LTS

<$>[warning] Внимание: Более ранняя версия этой статьи включала упоминание Ubuntu 14.04. Хотя обновление с версии 14.04 может успешно завершиться, обновления с одной версии LTS до следующей версии LTS по умолчанию отключены до момента выхода первого обновления новой версии…

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Ersteinrichtung des Servers unter CentOS 8 — step-by-step Linux tutorial on Progressive Robot

Ersteinrichtung des Servers unter CentOS 8

Bei der Erstellung eines neuen CentOS-8-Servers gibt es einige Konfigurationsschritte, die Sie im Rahmen des grundlegenden Setups frühzeitig durchführen sollten. Dadurch erhöhen Sie die Sicherheit und Benutzerfreundlichkeit Ihres Servers und haben eine solide Grundlage für…

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

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

🟠 High   ⏱ 15–60 min  Last verified: 25 December 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2003-0140 CVE-2003-0167 CVE-2004-0078 CVE-2005-2351 CVE-2006-3242 CVE-2006-5297 CVE-2006-5298 CVE-2007-1268  +12 more Upstream summary: Buffer overflow in Mutt 1.4.0 and possibly earlier versions, 1.5.x up to 1.5.3, and other programs […]

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How To Install Apache Tomcat 8 on Ubuntu 16.04 — step-by-step Linux tutorial on Progressive Robot

How To Install Apache Tomcat 8 on Ubuntu 16.04

Apache Tomcat is a web server and servlet container that is used to serve Java applications. Tomcat is an open source implementation of the Java Servlet and JavaServer Pages technologies, released by the Apache Software Foundation. This tutorial covers the basic installation…

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