dbus vulnerability
A security issue affects these releases of Ubuntu and its
derivatives:
* Ubuntu 20.04 LTS
* Ubuntu 19.10
* Ubuntu 18.04 LTS
* Ubuntu 16.04 LTS
Summary
DBus could be made to crash if it received specially crafted
input.
Software Description
* dbus - simple interprocess messaging system
Details
Kevin Backhouse discovered that DBus incorrectly handled file
descriptors. A local 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 - 1.12.16-2ubuntu2.1
libdbus-1-3 - 1.12.16-2ubuntu2.1
Ubuntu 19.10
dbus - 1.12.14-1ubuntu2.1
libdbus-1-3 - 1.12.14-1ubuntu2.1
Ubuntu 18.04 LTS
dbus - 1.12.2-1ubuntu1.2
libdbus-1-3 - 1.12.2-1ubuntu1.2
Ubuntu 16.04 LTS
dbus - 1.10.6-1ubuntu3.6
libdbus-1-3 - 1.10.6-1ubuntu3.6
To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to reboot your computer to
make all the necessary changes.
References
* CVE-2020-12049
--- Mystic BBS v1.12 A45 (Linux/64)
* Origin: BZ&BZ BBS (21:4/110)