Operations

Debian 11 — chafa — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — chafa — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 13 November 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-1507 CVE-2022-2061 CVE-2022-2301 Upstream summary: chafa: NULL Pointer Dereference in function gif_internal_decode_frame at libnsgif.c:599 allows attackers to cause a denial of service (crash) via a crafted input file. […]

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

Debian 11 — qgit — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 November 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-4631 Upstream summary: The DataLoader::doStart function in dataloader.cpp in QGit 1.5.6 and other versions up to 2pre1 allows local users to overwrite arbitrary files and execute arbitrary code […]

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Debian 11 — apt-setup — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — apt-setup — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 November 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-2214 Upstream summary: apt-setup in Debian GNU/Linux installs the apt.conf file with insecure permissions, which allows local users to obtain sensitive information such as passwords. Table of contents […]

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Debian 11 — libidn — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libidn — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 13 November 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-2059 CVE-2015-8948 CVE-2016-6261 CVE-2016-6263 CVE-2017-14062 Upstream summary: The stringprep_utf8_to_ucs4 function in libin before 1.31, as used in jabberd2, allows context-dependent attackers to read system memory and possibly have […]

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Ubuntu 18.04 — python-bottle — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — python-bottle — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 November 2022 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5532-1 Related CVEs: CVE-2022-31799 CVE-2020-28473 Upstream summary: It was discovered that Bottle incorrectly handled errors during early request binding. An attacker could possibly use this issue to disclose sensitive information. […]

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

SLES 12 — bcel — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 13 November 2022 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2022:4306-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-42920 Upstream summary: Apache Commons BCEL has a number of APIs that would normally only allow changing specific class characteristics. However, due to an out-of-bounds […]

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How to Set Up Windows Server 2022 Container Storage — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Set Up Windows Server 2022 Container Storage

Introduction to LAPS on Windows Server 2022 LAPS — Local Administrator Password Solution — solves one of the most persistent security problems in Windows environments: the use of a single, shared local administrator password across all managed computers. When every workstation and server shares the same local administrator password, a single compromised machine exposes every […]

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IBM AIX 7.3 — CVE-1999-0024 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-1999-0024 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 12 November 2022 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-1999-0024, IBM PSIRT advisory page CVE: CVE-1999-0024 NVD summary: DNS cache poisoning via BIND, by predictable query IDs. References: exchange.xforce.ibmcloud.com/vulnerabilities/CVE   exchange.xforce.ibmcloud.com/vulnerabilities/CVE Table of contents Symptom & Impact Environment & Reproduction Root […]

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Common Problems 117021

Ubuntu 22.04 LTS – Timeshift snapshot restore leaves unbootable initramfs – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 12 November 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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CHAT