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CVE-2019-15718

MEDIUM
4.4
CVSS Score
Published: September 4, 2019 at 11:04 AM UTC
Updated: June 17, 2026 at 02:20 AM UTC
14 products affected across 3 vendorsFedoraEnterprise LinuxEnterprise Linux Server Aus

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Severity
MEDIUM4.4
Exploit prediction
EPSS 0.5%

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.

References (7)

x_refsource_MISCExploitMailing ListThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2019/09/03/1
Vendor Advisoryx_refsource_REDHATIssue TrackingThird Party Advisory
Source: [email protected]
https://access.redhat.com/errata/RHSA-2019:3592
Vendor Advisoryx_refsource_REDHATIssue TrackingPatchThird Party Advisory
Source: [email protected]
https://access.redhat.com/errata/RHSA-2019:3941
x_refsource_MISCIssue TrackingPatchThird Party Advisory
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=1746057
Vendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BRE5IS24XTF5WNZGH2L7GSQJKARBOEGL/
Vendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HIKGKXZ5OEGOEYURHLJHEMFYNLEGAW5B/
Vendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U2WNHRJW4XI6H5YMDG4BUFGPAXWUMUVG/

CVSS

4.4MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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