CVE-2013-4327

Severity CVSS v4.0:

Pending analysis

Type:

CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Publication date:

03/10/2013

Last modified:

11/04/2025

Description

systemd does not properly use D-Bus for communication with a polkit authority, which allows local users to bypass intended access restrictions by leveraging a PolkitUnixProcess PolkitSubject race condition via a (1) setuid process or (2) pkexec process, a related issue to CVE-2013-4288.

Impact

Vector 2.0

AV:L/AC:M/Au:N/C:C/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 6.90 MEDIUM
Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C

Attack Vector (AV): Local
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete

Base Score 2.0

6.90

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:systemd_project:systemd::::::::		207 (including)
cpe:2.3:o:debian:debian_linux:7.0:::::::*
cpe:2.3:o:canonical:ubuntu_linux:13.04:::::::*

To consult the complete list of CPE names with products and versions, see this page

CVE-2013-4327

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools