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Ubuntu Security Notice USN-4312-1
March 30, 2020

Timeshift vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

– Ubuntu 19.10

Summary:

Timeshift could be made to run programs as an administrator.

Software Description:
– timeshift: System restore utility

Details:

Matthias Gerstner discovered that Timeshift did not securely create temporary
files. An attacker could exploit a race condition in Timeshift and potentially
execute arbitrary commands as root.

Update instructions:

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

Ubuntu 19.10:
timeshift 19.01+ds-2ubuntu0.1

In general, a standard system update will make all the necessary changes.

References:
https://usn.ubuntu.com/4312-1
CVE-2020-10174

Package Information:
https://launchpad.net/ubuntu/+source/timeshift/19.01+ds-2ubuntu0.1

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