========================================================================== Ubuntu Security Notice USN-5726-1 November 16, 2022 firefox vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS Summary: Several security issues were fixed in Firefox. Software Description: - firefox: Mozilla Open Source web browser Details: Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, spoof the contents of the addressbar, bypass security restrictions, cross-site tracing or execute arbitrary code. (CVE-2022-45403, CVE-2022-45404, CVE-2022-45405, CVE-2022-45406, CVE-2022-45407, CVE-2022-45408, CVE-2022-45409, CVE-2022-45410, CVE-2022-45411, CVE-2022-45413, CVE-2022-40674, CVE-2022-45418, CVE-2022-45419, CVE-2022-45420, CVE-2022-45421) Armin Ebert discovered that Firefox did not properly manage while resolving file symlink. If a user were tricked into opening a specially crafted weblink, an attacker could potentially exploit these to cause a denial of service. (CVE-2022-45412) Jefferson Scher and Jayateertha Guruprasad discovered that Firefox did not properly sanitize the HTML download file extension under certain circumstances. If a user were tricked into downloading and executing malicious content, a remote attacker could execute arbitrary code with the privileges of the user invoking the programs. (CVE-2022-45415) Erik Kraft, Martin Schwarzl, and Andrew McCreight discovered that Firefox incorrectly handled keyboard events. An attacker could possibly use this issue to perform a timing side-channel attack and possibly figure out which keys are being pressed. (CVE-2022-45416) Kagami discovered that Firefox did not detect Private Browsing Mode correctly. An attacker could possibly use this issue to obtain sensitive information about Private Browsing Mode. (CVE-2022-45417) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 LTS: firefox 107.0+build2-0ubuntu0.20.04.1 Ubuntu 18.04 LTS: firefox 107.0+build2-0ubuntu0.18.04.1 After a standard system update you need to restart Firefox to make all the necessary changes. References: https://ubuntu.com/security/notices/USN-5726-1 CVE-2022-40674, CVE-2022-45403, CVE-2022-45404, CVE-2022-45405, CVE-2022-45406, CVE-2022-45407, CVE-2022-45408, CVE-2022-45409, CVE-2022-45410, CVE-2022-45411, CVE-2022-45412, CVE-2022-45413, CVE-2022-45415, CVE-2022-45416, CVE-2022-45417, CVE-2022-45418, CVE-2022-45419, CVE-2022-45420, CVE-2022-45421 Package Information: https://launchpad.net/ubuntu/+source/firefox/107.0+build2-0ubuntu0.20.04.1 https://launchpad.net/ubuntu/+source/firefox/107.0+build2-0ubuntu0.18.04.1