What is the severity of CVE-2018-8885?

CVE-2018-8885 is classified as a high severity vulnerability due to its ability to allow local users to bypass access restrictions.

How do I fix CVE-2018-8885?

To fix CVE-2018-8885, upgrade the screen-resolution-extra package to version 0.17.1.1 or later.

Which versions of screen-resolution-extra are affected by CVE-2018-8885?

CVE-2018-8885 affects screen-resolution-extra version 0.17.2 and earlier versions.

Is my system vulnerable to CVE-2018-8885?

If you are running screen-resolution-extra version 0.17.2 or lower, your system is vulnerable to CVE-2018-8885.

What platforms are affected by CVE-2018-8885?

CVE-2018-8885 affects Ubuntu operating systems running the vulnerable versions of the screen-resolution-extra package.

Vulnerability/
CVE-2018-8885

high

CWE

362

26/3/2018

28/3/2018

5/8/2024

CVE-2018-8885: Race Condition

First published: Mon Mar 26 2018(Updated: )

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.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
ubuntu/screen-resolution-extra	<0.17.1.1	0.17.1.1
ubuntu/screen-resolution-extra	<0.17.1.1~14.04.1	0.17.1.1~14.04.1
ubuntu/screen-resolution-extra	<0.17.1.1~16.04.1	0.17.1.1~16.04.1
canonical screen-resolution-extra	=0.17.2
Ubuntu	=14.04
Ubuntu	=16.04
Ubuntu	=17.10

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

USN-3607-1

Frequently Asked Questions

What is the severity of CVE-2018-8885?
CVE-2018-8885 is classified as a high severity vulnerability due to its ability to allow local users to bypass access restrictions.
How do I fix CVE-2018-8885?
To fix CVE-2018-8885, upgrade the screen-resolution-extra package to version 0.17.1.1 or later.
Which versions of screen-resolution-extra are affected by CVE-2018-8885?
CVE-2018-8885 affects screen-resolution-extra version 0.17.2 and earlier versions.
Is my system vulnerable to CVE-2018-8885?
If you are running screen-resolution-extra version 0.17.2 or lower, your system is vulnerable to CVE-2018-8885.
What platforms are affected by CVE-2018-8885?
CVE-2018-8885 affects Ubuntu operating systems running the vulnerable versions of the screen-resolution-extra package.

agent/type
agent/first-publish-date
collector/security-tracker-debian
source/Debian
collector/launchpad-cve
source/Launchpad
agent/author
collector/usn-cve
source/Ubuntu
agent/software-canonical-lookup
agent/weakness
agent/references
agent/severity
agent/description
collector/mitre-cve
source/MITRE
agent/last-modified-date
agent/event
agent/trending
agent/source
agent/tags
agent/softwarecombine
collector/nvd-index
agent/software-canonical-lookup-request
collector/nvd-cve
source/NVD
package-manager/ubuntu
vendor/canonical
canonical/canonical screen-resolution-extra
version/canonical screen-resolution-extra/0.17.2
canonical/ubuntu
version/ubuntu/14.04
version/ubuntu/16.04
version/ubuntu/17.10

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Frequently Asked Questions

What is the severity of CVE-2018-8885?
CVE-2018-8885 is classified as a high severity vulnerability due to its ability to allow local users to bypass access restrictions.
How do I fix CVE-2018-8885?
To fix CVE-2018-8885, upgrade the screen-resolution-extra package to version 0.17.1.1 or later.
Which versions of screen-resolution-extra are affected by CVE-2018-8885?
CVE-2018-8885 affects screen-resolution-extra version 0.17.2 and earlier versions.
Is my system vulnerable to CVE-2018-8885?
If you are running screen-resolution-extra version 0.17.2 or lower, your system is vulnerable to CVE-2018-8885.
What platforms are affected by CVE-2018-8885?
CVE-2018-8885 affects Ubuntu operating systems running the vulnerable versions of the screen-resolution-extra package.