CWE Code: 284
Vulnerability Type: privilege_escalation
CVSS Score: 2.1
CWE Name:  Improper Access Control
Summary: 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.
Access Authentication: NONE
Access Complexity: LOW
Access Vector: LOCAL
Impact (C/I/A): NONE/PARTIAL/NONE
Published Date: 2019-09-04
Last Modified Date: 2019-09-19