[USN-6687-1] AccountsService vulnerability

[Marc Deslauriers]

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Ubuntu Security Notice USN-6687-1
March 11, 2024

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

- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS

Summary:

AccountsService could be made to expose sensitive information.

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

Details:

It was discovered that AccountsService called a helper incorrectly when
performaing password change operations. A local attacker could possibly use
this issue to obtain encrypted passwords.

Update instructions:

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

Ubuntu 22.04 LTS:
   accountsservice                 22.07.5-2ubuntu1.5
   libaccountsservice0             22.07.5-2ubuntu1.5

Ubuntu 20.04 LTS:
   accountsservice                 0.6.55-0ubuntu12~20.04.7
   libaccountsservice0             0.6.55-0ubuntu12~20.04.7

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

References:
   https://ubuntu.com/security/notices/USN-6687-1
   CVE-2012-6655

Package Information:
   https://launchpad.net/ubuntu/+source/accountsservice/22.07.5-2ubuntu1.5
   https://launchpad.net/ubuntu/+source/accountsservice/0.6.55-0ubuntu12~20.04.7

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