CVE-2020-11931
3.3
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Canonical | pulseaudio | 1:8.0 < 1:8.0-0ubuntu3.12 | affected |
| Canonical | pulseaudio | 1:11.1 < 1:11.1-1ubuntu7.7 | affected |
| Canonical | pulseaudio | 1:13.0 < 1:13.0-1ubuntu1.2 | affected |
| Canonical | pulseaudio | 1:13.99.1 < 1:13.99.1-1ubuntu3.2 | affected |
Weaknesses
- CWE-284: CWE-284 Improper Access Control
ADP Enrichment
CVE Program Container
Additional References
- https://forum.snapcraft.io/t/audio-switcher-pulseaudio-interface-auto-connect-request/16648/3
- https://usn.ubuntu.com/4355-1/
References
- https://forum.snapcraft.io/t/audio-switcher-pulseaudio-interface-auto-connect-request/16648/3
- https://usn.ubuntu.com/4355-1/
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