Ubuntu Security Notice 4037-1 - The policykit-desktop-privileges Startup Disk Creator policy allowed administrative users to overwrite disks. As a security improvement, this operation now requires authentication.
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Ubuntu Security Notice USN-4037-1
June 25, 2019
policykit-desktop-privileges update
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 19.04
- Ubuntu 18.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
Summary:
A security improvement has been made to policykit-desktop-privileges.
Software Description:
- policykit-desktop-privileges: run common desktop actions without password
Details:
The policykit-desktop-privileges Startup Disk Creator policy allowed
administrative users to overwrite disks. As a security improvement, this
operation now requires authentication.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 19.04:
policykit-desktop-privileges 0.20ubuntu19.04.1
Ubuntu 18.10:
policykit-desktop-privileges 0.20ubuntu18.10.1
Ubuntu 18.04 LTS:
policykit-desktop-privileges 0.20ubuntu18.04.1
Ubuntu 16.04 LTS:
policykit-desktop-privileges 0.20ubuntu16.04.1
In general, a standard system update will make all the necessary changes.
References:
https://usn.ubuntu.com/4037-1
https://launchpad.net/bugs/1832337
Package Information:
https://launchpad.net/ubuntu/+source/policykit-desktop-privileges/0.20ubuntu19.04.1
https://launchpad.net/ubuntu/+source/policykit-desktop-privileges/0.20ubuntu18.10.1
https://launchpad.net/ubuntu/+source/policykit-desktop-privileges/0.20ubuntu18.04.1
https://launchpad.net/ubuntu/+source/policykit-desktop-privileges/0.20ubuntu16.04.1