RealtimeKit (aka rtkit) 0.5 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-2013-4326 from the MITRE CVE dictionary dictionary and NIST NVD.
| 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 | Errata | Release Date |
|---|---|---|
| Red Hat Enterprise Linux 6 (rtkit) | RHSA-2013:1282 | 2013-09-24 |
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 7 | rtkit | Not affected |
Vulmon