Oracle Linux: (CVE-2019-15718) ELSA-2019-3592: systemd security, bug fix, and enhancement update
Description
In systemd 240, bus_open_system_watch_bind_with_description in shared/bus-util.c (as used by systemd-resolved to connect to the system D-Bus instance), calls sd_bus_set_trusted, which disables access controls for incoming D-Bus messages. An unprivileged user can exploit this by executing D-Bus methods that should be restricted to privileged users, in order to change the system's DNS resolver settings.
Solution(s)
- oracle-linux-upgrade-systemd
- oracle-linux-upgrade-systemd-container
- oracle-linux-upgrade-systemd-devel
- oracle-linux-upgrade-systemd-journal-remote
- oracle-linux-upgrade-systemd-libs
- oracle-linux-upgrade-systemd-pam
- oracle-linux-upgrade-systemd-tests
- oracle-linux-upgrade-systemd-udev
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