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Ubuntu 16.04 ESM: USN-5244-1 Critical: DBus Denial Of Service

ubuntu
Calendar Grey January 20, 2022
Dist Ubuntu Esm H88
Ubuntu Security Advisory USN-5244-1 highlights a dbus flaw in 16.04 ESM, potentially allowing for denial of service occurrences.
DBus could be made to crash if it received specially crafted input.

Summary

DBus could be made to crash if it received specially crafted

input.

Software Description:

- dbus: simple interprocess messaging system

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.

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu input handling dbus use-after-free

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 16.04 ESM:
dbus 1.10.6-1ubuntu3.6+esm1
libdbus-1-3 1.10.6-1ubuntu3.6+esm1

After a standard system update you need to reboot your computer to make
all the necessary changes.

References

CVE-2020-35512

Severity
critical
Lowest
Low
Medium
High
Critical

January 20, 2022

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu input handling dbus use-after-free

Package Information

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