Ubuntu Security Notices
USN-3607-1

USN-3607-1: Screen Resolution Extra vulnerability

Publication date

26 March 2018

Overview

Screen Resolution Extra could be tricked into bypassing PolicyKit authorizations.

Releases

17.10 16.04 LTS 14.04 LTS

Packages

screen-resolution-extra - Extension for the GNOME screen resolution applet

Details

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.

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release	Package Version
17.10 artful	screen-resolution-extra – 0.17.1.1
16.04 xenial	screen-resolution-extra – 0.17.1.1~16.04.1
14.04 trusty	screen-resolution-extra – 0.17.1.1~14.04.1

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References

CVE-2018-8885

CVE-2018-8885