CVE-2018-8885
Published: 26 March 2018
screenresolution-mechanism in screen-resolution-extra 0.17.2 does not properly use the PolicyKit D-Bus API, which allows local users to bypass intended access restrictions by leveraging a race condition via a setuid or pkexec process that is mishandled in a PolicyKitService._check_permission call.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
screen-resolution-extra Launchpad, Ubuntu, Debian |
artful |
Released
(0.17.1.1)
|
| trusty |
Released
(0.17.1.1~14.04.1)
|
|
| upstream |
Needs triage
|
|
| xenial |
Released
(0.17.1.1~16.04.1)
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.0 |
| Attack vector | Local |
| Attack complexity | High |
| Privileges required | Low |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |