Ubuntu 20.04

Ubuntu 20.04 — pdns — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — pdns — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 8 May 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7203-1 Related CVEs: CVE-2018-1046 CVE-2018-10851 CVE-2018-14626 CVE-2018-14644 CVE-2020-17482 CVE-2022-27227 Upstream summary: Wei Hao discovered that PowerDNS Authoritative Server incorrectly handled memory when accessing certain files. An attacker could possibly use […]

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

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

🟢 Low   ⏱ 5–15 min  Last verified: 8 May 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5286-1 Related CVEs: CVE-2021-4122 CVE-2020-14382 Upstream summary: Milan Broz discovered that cryptsetup incorrectly handled LUKS2 reencryption recovery. An attacker with physical access to modify the encrypted device header may trigger […]

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Ubuntu 20.04 — libapache2-mod-auth-mellon — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — libapache2-mod-auth-mellon — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 May 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5069-1 Related CVEs: CVE-2021-3639 Upstream summary: It was discovered that mod-auth-mellon incorrectly filtered certain URLs. A remote attacker could possibly use this issue to perform an open redirect attack. Table […]

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Ubuntu 20.04 — python-pysaml2 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — python-pysaml2 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 May 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5066-1 Related CVEs: CVE-2021-21239 Upstream summary: Brian Wolff discovered that PySAML2 incorrectly validated cryptographic signatures. A remote attacker could possibly use this issue to alter SAML documents. Table of contents […]

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

Ubuntu 20.04 — libinput — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 30 April 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5382-1 Related CVEs: CVE-2022-1215 Upstream summary: Albin Eldstål-Ahrens and Lukas Lamster discovered libinput did not properly handle input devices with specially crafted names. A local attacker with physical access could […]

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Ubuntu 20.04 — libtar — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — libtar — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 28 April 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7398-1 Related CVEs: CVE-2021-33643 CVE-2021-33644 CVE-2021-33645 CVE-2021-33646 Upstream summary: It was discovered that libtar may perform out-of-bounds reads when processing specially crafted tar files. An attacker could possibly use this […]

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Ubuntu 20.04 — graphicsmagick — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — graphicsmagick — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 28 April 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5974-1 Related CVEs: CVE-2018-20184 CVE-2018-20189 CVE-2018-5685 CVE-2018-9018 CVE-2019-11006 CVE-2020-12672 CVE-2022-1270 CVE-2019-12921  +4 more Upstream summary: It was discovered that GraphicsMagick was not properly performing bounds checks when processing TGA image […]

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Ubuntu 20.04 — wireshark — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — wireshark — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 26 April 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7552-1 Related CVEs: CVE-2021-4185 CVE-2022-0582 CVE-2022-0586 CVE-2022-3190 CVE-2021-4182 CVE-2022-0585 CVE-2021-39929 CVE-2021-4186  +7 more Upstream summary: It was discovered that Wireshark did not correctly handle recursion. If a user or system […]

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

Ubuntu 20.04 — dwarves-dfsg — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 April 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6215-1 Related CVEs: CVE-2022-3534 CVE-2022-3606 Upstream summary: It was discovered that dwarves incorrectly handled certain memory operations under certain circumstances. An attacker could possibly use this issue to cause dwarves […]

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