CVE-2020-6107

2020-10-1500:00:00

ubuntu.com

exploitable

vulnerability

f2fs-tools

filesystem

uninitialized read

attacker

malicious file

information disclosure

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

EPSS

0.001

Percentile

39.9%

JSON

An exploitable information disclosure vulnerability exists in the dev_read
functionality of F2fs-Tools F2fs.Fsck 1.13. A specially crafted f2fs
filesystem can cause an uninitialized read resulting in an information
disclosure. An attacker can provide a malicious file to trigger this
vulnerability.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchf2fs-tools< anyUNKNOWN
ubuntu20.04noarchf2fs-tools< anyUNKNOWN
ubuntu22.04noarchf2fs-tools< anyUNKNOWN
ubuntu24.04noarchf2fs-tools< anyUNKNOWN
ubuntu16.04noarchf2fs-tools< anyUNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	f2fs-tools	< any	UNKNOWN
ubuntu	20.04	noarch	f2fs-tools	< any	UNKNOWN
ubuntu	22.04	noarch	f2fs-tools	< any	UNKNOWN
ubuntu	24.04	noarch	f2fs-tools	< any	UNKNOWN
ubuntu	16.04	noarch	f2fs-tools	< any	UNKNOWN