Exposure of Resource to Wrong Sphere Affecting pulseaudio package, versions <1:8.0-0ubuntu3.12


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.04% (15th percentile)

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  • Snyk IDSNYK-UBUNTU1604-PULSEAUDIO-569024
  • published12 May 2020
  • disclosed15 May 2020

Introduced: 12 May 2020

CVE-2020-11931  (opens in a new tab)
CWE-668  (opens in a new tab)

How to fix?

Upgrade Ubuntu:16.04 pulseaudio to version 1:8.0-0ubuntu3.12 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream pulseaudio package and not the pulseaudio package as distributed by Ubuntu. See How to fix? for Ubuntu:16.04 relevant fixed versions and status.

An Ubuntu-specific modification to Pulseaudio to provide security mediation for Snap-packaged applications was found to have a bypass of intended access restriction for snaps which plugs any of pulseaudio, audio-playback or audio-record via unloading the pulseaudio snap policy module. This issue affects: pulseaudio 1:8.0 versions prior to 1:8.0-0ubuntu3.12; 1:11.1 versions prior to 1:11.1-1ubuntu7.7; 1:13.0 versions prior to 1:13.0-1ubuntu1.2; 1:13.99.1 versions prior to 1:13.99.1-1ubuntu3.2;

CVSS Scores

version 3.1