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USN-5676-1: PostgreSQL vulnerability

13 October 2022

PostgreSQL could be made to execute commands as the superuser.

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Releases

Packages

Details

Alexander Lakhin discovered that PostgreSQL incorrectly handled the
security restricted operation sandbox when a privileged user is maintaining
another user’s objects. An attacker having permission to create non-temp
objects can use this issue to execute arbitrary commands as the superuser.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 16.04

After a standard system update you need to restart PostgreSQL to
make all the necessary changes.

Related notices

  • USN-5440-1: postgresql-plpython3-12, postgresql-pltcl-14, postgresql-client-14, libpgtypes3, postgresql-12, postgresql-pltcl-13, libecpg-compat3, postgresql-plpython-10, libecpg-dev, postgresql-server-dev-10, postgresql-client-10, postgresql-13, postgresql-client-13, libpq-dev, libecpg6, postgresql-doc-10, postgresql-server-dev-13, postgresql-doc-14, postgresql-plpython3-13, postgresql-server-dev-12, postgresql-pltcl-10, postgresql-plperl-13, postgresql-plperl-12, postgresql-client-12, postgresql-doc-12, postgresql-plperl-14, postgresql-plpython3-14, postgresql-plperl-10, postgresql-plpython3-10, postgresql-pltcl-12, postgresql-server-dev-14, postgresql-doc-13, postgresql-10, postgresql-14, libpq5