CVE-2022-40276

Zettlr version 2.3.0 allows an external attacker to remotely obtain arbitrary local files on any client that attempts to view a malicious markdown file through Zettlr. This is possible because the application does not have a CSP policy (or at least not strict enough) and/or does not properly validate the contents of markdown files before rendering them.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://fluidattacks.com/advisories/avicii/	Exploit Third Party Advisory
https://github.com/Zettlr/Zettlr	Product Third Party Advisory
https://fluidattacks.com/advisories/avicii/	Exploit Third Party Advisory
https://github.com/Zettlr/Zettlr	Product Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:zettlr:zettlr:2.3.0:*:*:*:*:*:*:*

History

21 Nov 2024, 07:21

Type	Values Removed	Values Added
References	~~() https://fluidattacks.com/advisories/avicii/ - Exploit, Third Party Advisory~~	() https://fluidattacks.com/advisories/avicii/ - Exploit, Third Party Advisory
References	~~() https://github.com/Zettlr/Zettlr - Product, Third Party Advisory~~	() https://github.com/Zettlr/Zettlr - Product, Third Party Advisory

05 Nov 2022, 01:26

Type	Values Removed	Values Added
CPE		cpe:2.3:a:zettlr:zettlr:2.3.0:::::::*
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 5.5
CWE		CWE-20
References	~~(MISC) https://fluidattacks.com/advisories/avicii/ -~~	(MISC) https://fluidattacks.com/advisories/avicii/ - Exploit, Third Party Advisory
References	~~(MISC) https://github.com/Zettlr/Zettlr -~~	(MISC) https://github.com/Zettlr/Zettlr - Product, Third Party Advisory

03 Nov 2022, 20:36

Type	Values Removed	Values Added
New CVE

Information

Published : 2022-11-03 20:15

Updated : 2025-05-02 21:15

NVD link : CVE-2022-40276

Mitre link : CVE-2022-40276

CVE.ORG link : CVE-2022-40276

JSON object : View

Products Affected

zettlr

zettlr

CWE

CWE-20

Improper Input Validation

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