🟡 Medium ⏱ 10–30 min Last verified: 23 June 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4429-1 Related CVEs: CVE-2020-14928 CVE-2018-15587 CVE-2016-10727 Upstream summary: It was discovered that Evolution Data Server incorrectly handled STARTTLS when using SMTP and POP3. A remote attacker could possibly use this […]
🟠 High ⏱ 5–30 min Last verified: 22 June 2021 Affected versions: Ubuntu 16.04 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 […]
🟠 High ⏱ 15–60 min Last verified: 21 June 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-8067-1 Related CVEs: CVE-2021-44227 CVE-2021-43331 CVE-2021-43332 https://launchpad.net/bugs/1949401 https://launchpad.net/mailman/+bug/1949403 CVE-2021-42096 CVE-2021-42097 CVE-2020-15011 +7 more Upstream summary: It was discovered that Mailman incorrectly handled CSRF tokens. A remote list member or moderator […]
🟢 Low ⏱ 5–15 min Last verified: 20 June 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4619-1 Related CVEs: CVE-2018-1000632 CVE-2020-10683 Upstream summary: Mário Areias discovered that dom4j did not properly validate XML document elements. An attacker could exploit this with a crafted XML file to […]
You can greatly increase the security of your Nginx server by using a module like NAXSI. NAXSI (Nginx Anti XSS & SQL Injection) is a free, third-party Nginx module that provides web application firewall features. In this tutorial, you will use NAXSI to secure Nginx on your Ubuntu 16.04 server. By the end of this tutorial, you will know what kinds of attacks NAXSI can block and how to configure NAXSI rules.
MySQL is a prominent open source database management system used to store and retrieve data for a wide variety of popular applications. MySQL is the M in the LAMP stack, a commonly used set of open source software that also includes Linux, the Apache web server, and the PHP programming language.
🟠 High ⏱ 15–60 min Last verified: 17 June 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4688-1 Related CVEs: CVE-2017-9782 CVE-2018-18873 CVE-2018-19542 CVE-2020-27828 CVE-2015-5203 CVE-2015-5221 CVE-2016-10248 CVE-2016-10250 +12 more Upstream summary: It was discovered that Jasper incorrectly certain files. An attacker could possibly use this issue […]
🟡 Medium ⏱ 5–30 min Last verified: 8 June 2021 📖 ~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 & Cross-Refs References & Further […]
🟠 High ⏱ 5–30 min Last verified: 4 June 2021 Affected versions: Ubuntu 16.04 LTS Ubuntu 16.04 Ubuntu 16.04.7 📖 ~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 […]
🟡 Medium ⏱ 10–30 min Last verified: 2 June 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-6584-2 Related CVEs: CVE-2021-33912 CVE-2021-33913 CVE-2021-20314 Upstream summary: USN-6584-1 fixed several vulnerabilities in Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. This update provides the corresponding updates for CVE-2021-33912 and CVE-2021-33913 […]
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