5.9
Moyenne
CVE-2020-11934 It was discovered that snapctl user-open allowed altering the $XDG_DATA_DIRS environment variable when calling the…
Description
It was discovered that snapctl user-open allowed altering the $XDG_DATA_DIRS environment variable when calling the system xdg-open. OpenURL() in usersession/userd/launcher.go would alter $XDG_DATA_DIRS to append a path to a directory controlled by the calling snap. A malicious snap could exploit this to bypass intended access restrictions to control how the host system xdg-open script opens the URL and, for example, execute a script shipped with the snap without confinement. This issue did not affect Ubuntu Core systems. Fixed in snapd versions 2.45.1ubuntu0.2, 2.45.1+18.04.2 and 2.45.1+20.04.2.
Produits et versions touchés
| Produit | Versions touchées | Corrigé en |
|---|---|---|
| snapd 2.45 | premières → < 2.45.1ubuntu0.2 | 2.45.1ubuntu0.2 |
Références
- ubuntu.com ubuntu.com
- launchpad.net launchpad.net
Chronologie
- Publiée
- Dernière modification
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