[USN-6190-1] AccountsService vulnerability

Marc Deslauriers marc.deslauriers at canonical.com
Wed Jun 28 14:49:10 UTC 2023

Ubuntu Security Notice USN-6190-1
June 28, 2023

accountsservice vulnerability

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

- Ubuntu 23.04
- Ubuntu 22.10
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS


AccountsService could be made to crash or run programs if it received
specially crafted messages.

Software Description:
- accountsservice: query and manipulate user account information


Kevin Backhouse discovered that AccountsService incorrectly handled certain
D-Bus messages. A local attacker could use this issue to cause
AccountsService to crash, resulting in a denial of service, or possibly
execute arbitrary code.

Update instructions:

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

Ubuntu 23.04:
   accountsservice                 22.08.8-1ubuntu7.1
   libaccountsservice0             22.08.8-1ubuntu7.1

Ubuntu 22.10:
   accountsservice                 22.08.8-1ubuntu1.1
   libaccountsservice0             22.08.8-1ubuntu1.1

Ubuntu 22.04 LTS:
   accountsservice                 22.07.5-2ubuntu1.4
   libaccountsservice0             22.07.5-2ubuntu1.4

Ubuntu 20.04 LTS:
   accountsservice                 0.6.55-0ubuntu12~20.04.6
   libaccountsservice0             0.6.55-0ubuntu12~20.04.6

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


Package Information:

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