CVE-2020-11931: An Ubuntu-specific modification to Pulseaudio to provide security mediation for Snap-packaged applications was found to have a bypass of intended access…

PriorityP411low3.3CVSS 3.1

AVLACLPRLUINSUCLINAN

EPSS

0.33%

25.0th percentile

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;

Affected

12 ranges

Vendor	Product	Version range	Fixed in
canonical	pulseaudio	>= 1:11.1 < 1:11.1-1ubuntu7.7	1:11.1-1ubuntu7.7
canonical	pulseaudio	>= 1:13.0 < 1:13.0-1ubuntu1.2	1:13.0-1ubuntu1.2
canonical	pulseaudio	>= 1:13.99.1 < 1:13.99.1-1ubuntu3.2	1:13.99.1-1ubuntu3.2
canonical	pulseaudio	>= 1:8.0 < 1:8.0-0ubuntu3.12	1:8.0-0ubuntu3.12
canonical	ubuntu_linux	—	—
canonical	ubuntu_linux	—	—
canonical	ubuntu_linux	—	—
canonical	ubuntu_linux	—	—
pulseaudio	pulseaudio	<= 1.8.0	—
pulseaudio	pulseaudio	>= 0 < 1:8.0-0ubuntu3.12	1:8.0-0ubuntu3.12
pulseaudio	pulseaudio	>= 0 < 1:11.1-1ubuntu7.7	1:11.1-1ubuntu7.7
pulseaudio	pulseaudio	>= 0 < 1:13.99.1-1ubuntu3.2	1:13.99.1-1ubuntu3.2

CVSS provenance

nvdv3.13.3LOWCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

nvdv2.02.1LOWAV:L/AC:L/Au:N/C:P/I:N/A:N

osv3.3LOW

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