CVE-2020-11931
Ubuntu modifications to pulseaudio to provide snap security enforcement could be unloaded
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 1:8.0-0ubuntu3.12, 1:11.1-1ubuntu7.7, 1:13.0-1ubuntu1.2, 1:13.99.1-1ubuntu3.2
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
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;
Timeline
- CVE published
- Record last updated
Affected versions
- Canonical pulseaudio
From 1:8.0 · fixed in 1:8.0-0ubuntu3.12; From 1:11.1 · fixed in 1:11.1-1ubuntu7.7; From 1:13.0 · fixed in 1:13.0-1ubuntu1.2; From 1:13.99.1 · fixed in 1:13.99.1-1ubuntu3.2