========================================================================== Ubuntu Security Notice USN-6717-1 March 26, 2024
thunderbird vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 23.10 - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS Summary: Several security issues were fixed in Thunderbird. Software Description: - thunderbird: Mozilla Open Source mail and newsgroup client Details: Multiple security issues were discovered in Thunderbird. If a user were tricked into opening a specially crafted website in a browsing context, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information, bypass security restrictions, cross-site tracing, or execute arbitrary code. (CVE-2024-0743, CVE-2024-2611, CVE-2024-2614) Hubert Kario discovered that Thunderbird had a timing side-channel when performing RSA decryption. A remote attacker could possibly use this issue to recover sensitive information. (CVE-2023-5388) Gary Kwong discovered that Thunderbird incorrectly updated return registers for JIT code on Armv7-A systems. An attacker could potentially exploit this issue to execute arbitrary code. (CVE-2024-2607) Ronald Crane discovered that Thunderbird did not properly manage memory during character encoding. An attacker could potentially exploit this issue to cause a denial of service. (CVE-2024-2608) Georg Felber and Marco Squarcina discovered that Thunderbird incorrectly handled html and body tags. An attacker who was able to inject markup into a page otherwise protected by a Content Security Policy may have been able obtain sensitive information. (CVE-2024-2610) Ronald Crane discovered a use-after-free in Thunderbird when handling code in SafeRefPtr. An attacker could potentially exploit this issue to cause a denial of service, or execute arbitrary code. (CVE-2024-2612) Ryan VanderMeulen and Dan Minor discovered that Thunderbird did not properly manage memory conditions in ICU. An attacker could potentially exploit this issue to cause a denial of service. (CVE-2024-2616) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 23.10: thunderbird 1:115.9.0+build1-0ubuntu0.23.10.1 Ubuntu 22.04 LTS: thunderbird 1:115.9.0+build1-0ubuntu0.22.04.1 Ubuntu 20.04 LTS: thunderbird 1:115.9.0+build1-0ubuntu0.20.04.1 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-6717-1 CVE-2023-5388, CVE-2024-0743, CVE-2024-2607, CVE-2024-2608, CVE-2024-2610, CVE-2024-2611, CVE-2024-2612, CVE-2024-2614, CVE-2024-2616 Package Information: https://launchpad.net/ubuntu/+source/thunderbird/1:115.9.0+build1-0ubuntu0.23.10.1 https://launchpad.net/ubuntu/+source/thunderbird/1:115.9.0+build1-0ubuntu0.22.04.1 https://launchpad.net/ubuntu/+source/thunderbird/1:115.9.0+build1-0ubuntu0.20.04.1
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