CVE-2022-25326

2022-02-2511:15:08

Debian Security Bug Tracker

security-tracker.debian.org

fscrypt

filesystem space

upgrade

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

Percentile

12.6%

JSON

fscrypt through v0.3.2 creates a world-writable directory by default when setting up a filesystem, allowing unprivileged users to exhaust filesystem space. We recommend upgrading to fscrypt 0.3.3 or above and adjusting the permissions on existing fscrypt metadata directories where applicable.

OSVersionArchitecturePackageVersionFilename
Debian12allfscrypt< 0.3.3-1fscrypt_0.3.3-1_all.deb
Debian11allfscrypt<= 0.2.9-1fscrypt_0.2.9-1_all.deb
Debian999allfscrypt< 0.3.3-1fscrypt_0.3.3-1_all.deb
Debian13allfscrypt< 0.3.3-1fscrypt_0.3.3-1_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	fscrypt	< 0.3.3-1	fscrypt_0.3.3-1_all.deb
Debian	11	all	fscrypt	<= 0.2.9-1	fscrypt_0.2.9-1_all.deb
Debian	999	all	fscrypt	< 0.3.3-1	fscrypt_0.3.3-1_all.deb
Debian	13	all	fscrypt	< 0.3.3-1	fscrypt_0.3.3-1_all.deb