[USN-5439-1] AccountsService vulnerability

[Marc Deslauriers]

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Ubuntu Security Notice USN-5439-1
May 24, 2022

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

- Ubuntu 22.04 LTS

Summary:

AccountsService could be made to crash or stop responding.

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

Details:

Gunnar Hjalmarsson discovered that AccountsService incorrectly dropped
privileges. A local user could possibly use this issue to cause
AccountsService to crash or stop responding, resulting in a denial of
service. (CVE-2022-1804)

Update instructions:

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

Ubuntu 22.04 LTS:
  accountsservice                 22.07.5-2ubuntu1.3
  libaccountsservice0             22.07.5-2ubuntu1.3

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

References:
  https://ubuntu.com/security/notices/USN-5439-1
  CVE-2022-1804

Package Information:
  https://launchpad.net/ubuntu/+source/accountsservice/22.07.5-2ubuntu1.3
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