Debian

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

Debian 11 — bristol — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2010-3351 Upstream summary: startBristol in Bristol 0.60.5 places a zero-length directory name in the LD_LIBRARY_PATH, which allows local users to gain privileges via a Trojan horse shared library […]

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Debian 11 — git-big-picture — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — git-big-picture — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-3028 Upstream summary: git-big-picture before 1.0.0 mishandles ' characters in a branch name, leading to code execution. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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

Debian 11 — fcheck — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2006-1753 Upstream summary: A cron job in fcheck before 2.7.59 allows local users to overwrite arbitrary files via a symlink attack on a temporary file. Table of contents […]

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Debian 11 — libjgraphx-java — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libjgraphx-java — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-18197 Upstream summary: In mxGraphViewImageReader.java in mxGraph before 3.7.6, the SAXParserFactory instance in convert() is missing flags to prevent XML External Entity (XXE) attacks, as demonstrated by /ServerView. […]

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Debian 11 — firejail — multiple vulnerabilities (18 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

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

🟠 High   ⏱ 15–60 min  Last verified: 26 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-10117 CVE-2016-10118 CVE-2016-10119 CVE-2016-10120 CVE-2016-10121 CVE-2016-10122 CVE-2016-10123 CVE-2016-9016  +10 more Upstream summary: Firejail does not restrict access to –tmpfs, which allows local users to gain privileges, as demonstrated […]

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Common Problems 120548

Debian 11 – systemd service remains in activating state after reboot

🟠 High   ⏱ 5–30 min  Last verified: 25 April 2022 Affected versions: Debian 11 📖 ~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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Debian 11 — quassel — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — quassel — multiple vulnerabilities (14 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-5657 CVE-2010-3443 CVE-2011-3354 CVE-2013-4422 CVE-2013-6404 CVE-2014-8483 CVE-2015-2778 CVE-2015-2779  +6 more Upstream summary: CRLF injection vulnerability in Quassel Core before 0.3.0.3 allows remote attackers to spoof IRC messages as […]

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

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

🟠 High   ⏱ 15–60 min  Last verified: 25 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-6160 CVE-2017-14266 CVE-2018-13112 CVE-2018-17580 CVE-2018-17582 CVE-2018-17974 CVE-2018-18407 CVE-2018-18408  +12 more Upstream summary: tcprewrite in tcpreplay before 4.1.2 allows remote attackers to cause a denial of service (segmentation fault) […]

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Debian 11 — libgd2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libgd2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-0941 CVE-2004-0990 CVE-2006-2906 CVE-2006-4484 CVE-2007-0455 CVE-2007-1001 CVE-2007-2445 CVE-2007-2756  +12 more Upstream summary: Multiple buffer overflows in the gd graphics library (libgd) 2.0.21 and earlier may allow remote attackers […]

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Common Problems 120601

Debian 11 – Severe Clock Drift Breaks TLS and Kerberos – Chrony Stabilization

🟠 High   ⏱ 5–30 min  Last verified: 24 April 2022 Affected versions: Debian 11 📖 ~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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