[USN-4537-1] Aptdaemon vulnerability

Marc Deslauriers marc.deslauriers at canonical.com
Thu Sep 24 14:42:55 UTC 2020

Ubuntu Security Notice USN-4537-1
September 24, 2020

aptdaemon vulnerability

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

- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS


Aptdaemon could be made to expose sensitive information.

Software Description:
- aptdaemon: transaction based package management service


Vaisha Bernard discovered that Aptdaemon incorrectly handled the Locale
property. A local attacker could use this issue to test for the presence of
local files.

Update instructions:

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

Ubuntu 20.04 LTS:
  aptdaemon                       1.1.1+bzr982-0ubuntu32.2

Ubuntu 18.04 LTS:
  aptdaemon                       1.1.1+bzr982-0ubuntu19.4

Ubuntu 16.04 LTS:
  aptdaemon                       1.1.1+bzr982-0ubuntu14.4

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


Package Information:

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