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Ubuntu 20.04 LTS USN-5244-2 High: DBus Crash Denial of Service

DBus could be made to crash if it received specially crafted input.. =========================================================================Ubuntu Security Notice USN-5244-2 May 09, 2022 dbus vulnerability ========================================================================= A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS Summary: DBus could be made to crash if it received specially crafted input. Software Description: - dbus: simple interprocess messaging system Details: USN-5244-1 fixed a vulnerability in DBus. This update provides the corresponding update for Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. Original advisory details: Daniel Onaca discovered that DBus contained a use-after-free vulnerability, caused by the incorrect handling of usernames sharing the same UID. An attacker could possibly use this issue to cause DBus to crash, resulting in a denial of service. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 LTS: dbus 1.12.16-2ubuntu2.2 libdbus-1-3 1.12.16-2ubuntu2.2 Ubuntu 18.04 LTS: dbus 1.12.2-1ubuntu1.3 libdbus-1-3 1.12.2-1ubuntu1.3 After a standard system update you need to reboot your computer to make all the necessary changes. References: https://ubuntu.com/security/notices/USN-5244-2 https://ubuntu.com/security/notices/USN-5244-1 CVE-2020-35512 Package Information: https://launchpad.net/ubuntu/+source/dbus/1.12.16-2ubuntu2.2 https://launchpad.net/ubuntu/+source/dbus/1.12.2-1ubuntu1.3 . A security flaw in DBus on Ubuntu could result in system crash upon receiving harmful data; it's crucial to keep the system up to date for protection.. DBusVulnerability, Ubuntu Security, Denial of Service. . LinuxSecurity.com Team

May 09, 2022 Ubuntu