Home / mailings [SECURITY] [DSA 5049-1] flatpak security update
Posted on 20 January 2022
Debian Security Advisory- -------------------------------------------------------------------------
Debian Security Advisory DSA-5049-1 security@debian.org
https://www.debian.org/security/ Sebastien Delafond
January 20, 2022 https://www.debian.org/security/faq
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Package : flatpak
CVE ID : CVE-2021-43860 CVE-2022-21682
Several vulnerabilities were discovered in Flatpak, an application
deployment framework for desktop apps.
CVE-2021-43860
Ryan Gonzalez discovered that Flatpak didn't properly validate
that the permissions displayed to the user for an app at install
time match the actual permissions granted to the app at
runtime. Malicious apps could therefore grant themselves
permissions without the consent of the user.
CVE-2022-21682
Flatpak didn't always prevent a malicious flatpak-builder user
from writing to the local filesystem.
For the stable distribution (bullseye), these problems have been fixed
in version 1.10.7-0+deb11u1.
Please note that flatpak-builder also needed an update for
compatibility, and is now at version 1.0.12-1+deb11u1 in bullseye.
We recommend that you upgrade your flatpak and flatpak-builder
packages.
For the detailed security status of flatpak please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/flatpak
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/
Mailing list: debian-security-announce@lists.debian.org
