========================================================================= Ubuntu Security Notice USN-5704-1 October 27, 2022 dbus vulnerabilities ========================================================================= A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 22.10 - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS - Ubuntu 16.04 ESM - Ubuntu 14.04 ESM Summary: Several security issues were fixed in DBus. Software Description: - dbus: simple interprocess messaging system Details: It was discovered that DBus incorrectly handled messages with invalid type signatures. A local attacker could possibly use this issue to cause DBus to crash, resulting in a denial of service. (CVE-2022-42010) It was discovered that DBus was incorrectly validating the length of arrays of fixed-length items. A local attacker could possibly use this issue to cause DBus to crash, resulting in a denial of service. (CVE-2022-42011) It was discovered that DBus incorrectly handled the body DBus message with attached file descriptors. A local attacker could possibly use this issue to cause DBus to crash, resulting in a denial of service. (CVE-2022-42012) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 22.10: dbus 1.14.0-2ubuntu3 libdbus-1-3 1.14.0-2ubuntu3 Ubuntu 22.04 LTS: dbus 1.12.20-2ubuntu4.1 libdbus-1-3 1.12.20-2ubuntu4.1 Ubuntu 20.04 LTS: dbus 1.12.16-2ubuntu2.3 libdbus-1-3 1.12.16-2ubuntu2.3 Ubuntu 18.04 LTS: dbus 1.12.2-1ubuntu1.4 libdbus-1-3 1.12.2-1ubuntu1.4 Ubuntu 16.04 ESM: dbus 1.10.6-1ubuntu3.6+esm2 libdbus-1-3 1.10.6-1ubuntu3.6+esm2 Ubuntu 14.04 ESM: dbus 1.6.18-0ubuntu4.5+esm3 libdbus-1-3 1.6.18-0ubuntu4.5+esm3 After a standard system update you need to reboot your computer to make all the necessary changes. References: https://ubuntu.com/security/notices/USN-5704-1 CVE-2022-42010, CVE-2022-42011, CVE-2022-42012 Package Information: https://launchpad.net/ubuntu/+source/dbus/1.14.0-2ubuntu3 https://launchpad.net/ubuntu/+source/dbus/1.12.20-2ubuntu4.1 https://launchpad.net/ubuntu/+source/dbus/1.12.16-2ubuntu2.3 https://launchpad.net/ubuntu/+source/dbus/1.12.2-1ubuntu1.4