CVE-2018-8885
screenresolution-mechanism in screen-resolution-extra 0.17.2 does not properly use the PolicyKit...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2018-8885- CVSS 3.0
- 7.0 High
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 4.4 Medium
AV:L/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-362
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2018-8885- Updated
- 2026-11-02
EUVDEUVD-2018-20493 No score
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.
- Record
EUVD-2018-20493- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-wpjr-f7r3-fjvc
screenresolution-mechanism in screen-resolution-extra 0.17.2 does not properly use the PolicyKit...
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.
- Record
GHSA-wpjr-f7r3-fjvc- CVSS 3.0
- 7.0 High
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-362
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2018-8885
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.
- Record
UBUNTU-CVE-2018-8885- CVSS 3.0
- 7.0 High
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUSN-3607-1 No score
screen-resolution-extra vulnerability
It was discovered that Screen Resolution Extra was using PolicyKit in an unsafe manner. A local attacker could potentially exploit this issue to bypass intended PolicyKit authorizations.
- Record
USN-3607-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
screen-resolution-extraUbuntu:14.04:LTS |
before 0.17.1.1~14.04.1, plus listed versions 0.15ubuntu10.160.16ubuntu10.16ubuntu20.170.17.1 |
0.17.1.1~14.04.1 |
screen-resolution-extraUbuntu:16.04:LTS |
before 0.17.1.1~16.04.1, plus listed versions 0.17.1 |
0.17.1.1~16.04.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-8885 is a high vulnerability (CVSS 7.0) in Canonical Screen-resolution-extra, published March 26, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.21%, the 12th percentile. Fixed in screen-resolution-extra 0.17.1.1~14.04.1.