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.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2013-4327 from the MITRE CVE dictionary dictionary and NIST NVD.
NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.
Base Score | 6.9 |
---|---|
Base Metrics | AV:L/AC:M/Au:N/C:C/I:C/A:C |
Access Vector | Local |
Access Complexity | Medium |
Authentication | None |
Confidentiality Impact | Complete |
Integrity Impact | Complete |
Availability Impact | Complete |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
Platform | Package | State |
---|---|---|
Red Hat Enterprise Linux 7 | systemd | Not affected |