Vulnerability Description
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 Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Pulseaudio | Pulseaudio | <= 1.8.0 |
| Canonical | Ubuntu Linux | 16.04 |
Related Weaknesses (CWE)
References
- https://forum.snapcraft.io/t/audio-switcher-pulseaudio-interface-auto-connect-reThird Party Advisory
- https://usn.ubuntu.com/4355-1/Third Party Advisory
- https://forum.snapcraft.io/t/audio-switcher-pulseaudio-interface-auto-connect-reThird Party Advisory
- https://usn.ubuntu.com/4355-1/Third Party Advisory
FAQ
What is CVE-2020-11931?
CVE-2020-11931 is a vulnerability with a CVSS score of 3.3 (LOW). 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 pulsea...
How severe is CVE-2020-11931?
CVE-2020-11931 has been rated LOW with a CVSS base score of 3.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-11931?
Check the references section above for vendor advisories and patch information. Affected products include: Pulseaudio Pulseaudio, Canonical Ubuntu Linux.