CVE-2023-28101

Published: 16 March 2023

Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux. In versions prior to 1.10.8, 1.12.8, 1.14.4, and 1.15.4, if an attacker publishes a Flatpak app with elevated permissions, they can hide those permissions from users of the `flatpak(1)` command-line interface by setting other permissions to crafted values that contain non-printable control characters such as `ESC`. A fix is available in versions 1.10.8, 1.12.8, 1.14.4, and 1.15.4. As a workaround, use a GUI like GNOME Software rather than the command-line interface, or only install apps whose maintainers you trust.

Priority

Cvss 3 Severity Score

4.3

Score breakdown

Status

Package	Release	Status
flatpak Launchpad, Ubuntu, Debian	bionic	Needs triage
	focal	Needs triage
	jammy	Needs triage
	kinetic	Ignored (end of life, was needs-triage)
	trusty	Ignored (end of standard support)
	upstream	Needs triage
	xenial	Ignored (end of standard support)
	lunar	Needs triage

Severity score breakdown

Parameter	Value
Base score	4.3
Attack vector	Network
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	Low
Availability impact	None
Vector	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

References

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