CVE Database›Document archive›CVE-2019-6454

CVE-2019-6454

systemd: Insufficient input validation in bus_process_object() resulting in PID 1 crash

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Severity

Important

Red Hat Product Security

7

CVSS 3.0

Review impact separately from score.

Published · February 18, 2019

Updated · June 28, 2026

Description

It was discovered that systemd allocates a buffer large enough to store the path field of a dbus message without performing enough checks. A local attacker may trigger this flaw by sending a dbus message to systemd with a large path making systemd crash or possibly elevating his privileges.

Statement

This vulnerability is present in Red Hat Virtualization Hypervisor and Management Appliance, however it can only be exploited locally. Since these systems do not typically have local user accounts, this issue has been rated Moderate severity for Red Hat Virtualization 4.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 7
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE-20 · Improper Input Validation