Security Advisory

CVE-2019-15718

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2019-09-04 11:04:31

Last updated 2024-08-05 00:56:22

Assigner mitre

State PUBLISHED

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 systems DNS resolver settings.

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