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DebianDEBIAN:DSA-5049-1:A012B

HistoryJan 20, 2022 - 3:38 p.m.

[SECURITY] [DSA 5049-1] flatpak security update

2022-01-2015:38:56

lists.debian.org

6.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

8.6 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

8.4 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

71.1%

JSON

Debian Security Advisory DSA-5049-1 [email protected]
https://www.debian.org/security/ Sebastien Delafond
January 20, 2022 https://www.debian.org/security/faq

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&#x27;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&#x27;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: [email protected]

OSVersionArchitecturePackageVersionFilename
Debian11i386libflatpak0< 1.10.7-0+deb11u1libflatpak0_1.10.7-0+deb11u1_i386.deb
Debian11s390xflatpak< 1.10.7-0+deb11u1flatpak_1.10.7-0+deb11u1_s390x.deb
Debian11amd64flatpak-dbgsym< 1.10.7-0+deb11u1flatpak-dbgsym_1.10.7-0+deb11u1_amd64.deb
Debian11armellibflatpak-dev< 1.10.7-0+deb11u1libflatpak-dev_1.10.7-0+deb11u1_armel.deb
Debian11arm64libflatpak0-dbgsym< 1.10.7-0+deb11u1libflatpak0-dbgsym_1.10.7-0+deb11u1_arm64.deb
Debian11armelflatpak-tests-dbgsym< 1.10.7-0+deb11u1flatpak-tests-dbgsym_1.10.7-0+deb11u1_armel.deb
Debian11i386libflatpak0-dbgsym< 1.10.7-0+deb11u1libflatpak0-dbgsym_1.10.7-0+deb11u1_i386.deb
Debian11armhfflatpak-tests-dbgsym< 1.10.7-0+deb11u1flatpak-tests-dbgsym_1.10.7-0+deb11u1_armhf.deb
Debian11mipselflatpak-tests-dbgsym< 1.10.7-0+deb11u1flatpak-tests-dbgsym_1.10.7-0+deb11u1_mipsel.deb
Debian11s390xlibflatpak0-dbgsym< 1.10.7-0+deb11u1libflatpak0-dbgsym_1.10.7-0+deb11u1_s390x.deb

OS	Version	Architecture	Package	Version	Filename
Debian	11	i386	libflatpak0	< 1.10.7-0+deb11u1	libflatpak0_1.10.7-0+deb11u1_i386.deb
Debian	11	s390x	flatpak	< 1.10.7-0+deb11u1	flatpak_1.10.7-0+deb11u1_s390x.deb
Debian	11	amd64	flatpak-dbgsym	< 1.10.7-0+deb11u1	flatpak-dbgsym_1.10.7-0+deb11u1_amd64.deb
Debian	11	armel	libflatpak-dev	< 1.10.7-0+deb11u1	libflatpak-dev_1.10.7-0+deb11u1_armel.deb
Debian	11	arm64	libflatpak0-dbgsym	< 1.10.7-0+deb11u1	libflatpak0-dbgsym_1.10.7-0+deb11u1_arm64.deb
Debian	11	armel	flatpak-tests-dbgsym	< 1.10.7-0+deb11u1	flatpak-tests-dbgsym_1.10.7-0+deb11u1_armel.deb
Debian	11	i386	libflatpak0-dbgsym	< 1.10.7-0+deb11u1	libflatpak0-dbgsym_1.10.7-0+deb11u1_i386.deb
Debian	11	armhf	flatpak-tests-dbgsym	< 1.10.7-0+deb11u1	flatpak-tests-dbgsym_1.10.7-0+deb11u1_armhf.deb
Debian	11	mipsel	flatpak-tests-dbgsym	< 1.10.7-0+deb11u1	flatpak-tests-dbgsym_1.10.7-0+deb11u1_mipsel.deb
Debian	11	s390x	libflatpak0-dbgsym	< 1.10.7-0+deb11u1	libflatpak0-dbgsym_1.10.7-0+deb11u1_s390x.deb