========================================================================== 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
OpenPGP_0x196D412138F33F64.asc
Description: OpenPGP public key
OpenPGP_signature
Description: OpenPGP digital signature
