[SECURITY] [DSA 4868-1] flatpak security update

2021-03-1221:38:35

lists.debian.org

8.2 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

5.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

49.7%

JSON

Debian Security Advisory DSA-4868-1 [email protected]
https://www.debian.org/security/ Moritz Muehlenhoff
March 12, 2021 https://www.debian.org/security/faq

Package : flatpak
CVE ID : CVE-2021-21381

Anton Lydike discovered that sandbox restrictions in Flatpak, an
application deployment framework for desktop apps, could by bypassed
via a malicious .desktop file.

For the stable distribution (buster), this problem has been fixed in
version 1.2.5-0+deb10u4.

We recommend that you upgrade your flatpak 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
Debian10allflatpak-tests< 1.2.5-0+deb10u4flatpak-tests_1.2.5-0+deb10u4_all.deb
Debian10alllibflatpak-doc< 1.2.5-0+deb10u4libflatpak-doc_1.2.5-0+deb10u4_all.deb
Debian10allflatpak< 1.2.5-0+deb10u4flatpak_1.2.5-0+deb10u4_all.deb
Debian10alllibflatpak-dev< 1.2.5-0+deb10u4libflatpak-dev_1.2.5-0+deb10u4_all.deb
Debian10allgir1.2-flatpak-1.0< 1.2.5-0+deb10u4gir1.2-flatpak-1.0_1.2.5-0+deb10u4_all.deb
Debian10alllibflatpak0< 1.2.5-0+deb10u4libflatpak0_1.2.5-0+deb10u4_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	10	all	flatpak-tests	< 1.2.5-0+deb10u4	flatpak-tests_1.2.5-0+deb10u4_all.deb
Debian	10	all	libflatpak-doc	< 1.2.5-0+deb10u4	libflatpak-doc_1.2.5-0+deb10u4_all.deb
Debian	10	all	flatpak	< 1.2.5-0+deb10u4	flatpak_1.2.5-0+deb10u4_all.deb
Debian	10	all	libflatpak-dev	< 1.2.5-0+deb10u4	libflatpak-dev_1.2.5-0+deb10u4_all.deb
Debian	10	all	gir1.2-flatpak-1.0	< 1.2.5-0+deb10u4	gir1.2-flatpak-1.0_1.2.5-0+deb10u4_all.deb
Debian	10	all	libflatpak0	< 1.2.5-0+deb10u4	libflatpak0_1.2.5-0+deb10u4_all.deb