Ubuntu alert USN-4951-1 (flatpak)
| From: | Steve Beattie <steve.beattie@canonical.com> | |
| To: | ubuntu-security-announce@lists.ubuntu.com | |
| Subject: | [USN-4951-1] Flatpak vulnerability | |
| Date: | Tue, 11 May 2021 22:22:32 -0700 | |
| Message-ID: | <YJtmGCFGskH4VlHO@nxnw.org> |
========================================================================== Ubuntu Security Notice USN-4951-1 May 12, 2021 flatpak vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 20.10 - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS Summary: A Flatpak application could access files that it would not normally be permitted to access. Software Description: - flatpak: Application deployment framework for desktop apps Details: Anton Lydike discovered that Flatpak did not properly handle special tokens in desktop files. An attacker could use this to specially craft a Flatpak application that could escape sandbox confinement. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 20.10: flatpak 1.8.2-1ubuntu0.2 libflatpak0 1.8.2-1ubuntu0.2 Ubuntu 20.04 LTS: flatpak 1.6.5-0ubuntu0.3 libflatpak0 1.6.5-0ubuntu0.3 Ubuntu 18.04 LTS: flatpak 1.0.9-0ubuntu0.3 libflatpak0 1.0.9-0ubuntu0.3 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-4951-1 CVE-2021-21381 Package Information: https://launchpad.net/ubuntu/+source/flatpak/1.8.2-1ubunt... https://launchpad.net/ubuntu/+source/flatpak/1.6.5-0ubunt... https://launchpad.net/ubuntu/+source/flatpak/1.0.9-0ubunt... -- ubuntu-security-announce mailing list ubuntu-security-announce@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-security...