The updates for this issue have been released: https://ubuntu.com/security/notices/USN-4538-1
Thanks! -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to packagekit in Ubuntu. https://bugs.launchpad.net/bugs/1888887 Title: Reading local files as root leads to sensitive information disclosure Status in packagekit package in Ubuntu: Fix Released Bug description: Hi, The InstallFiles, GetFilesLocal and GetDetailsLocal methods of the d-bus interface to PackageKit accesses given files before checking for authorization. This allows non-privileged users to learn the MIME type of any file on the system. Example in attached Python script: $ python3 test_file_exists_pk.py /root/.bashrc File exists and is of MIME type: 'text/plain' $ python3 test_file_exists_pk.py /root/.bashrca File does not exist Description: Ubuntu 20.04 LTS Release: 20.04 packagekit: Installed: 1.1.13-2ubuntu1 Candidate: 1.1.13-2ubuntu1 Version table: *** 1.1.13-2ubuntu1 500 500 http://nl.archive.ubuntu.com/ubuntu focal/main amd64 Packages 100 /var/lib/dpkg/status Kind regards, Vaisha Bernard EYE Control B.V. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/packagekit/+bug/1888887/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp