CVE-2022-40277

CVSS V2 None CVSS V3 High 7.8

Description

Joplin version 2.8.8 allows an external attacker to execute arbitrary commands remotely on any client that opens a link in a malicious markdown file, via Joplin. This is possible because the application does not properly validate the schema/protocol of existing links in the markdown file before passing them to the 'shell.openExternal' function.

Overview

CVE ID
CVE-2022-40277

Assigner
help@fluidattacks.com

Vulnerability Status
Analyzed

Published Version
2022-09-30T17:15:13

Last Modified Date
2022-10-04T17:20:35

Weakness Enumerations

CWE	URL
CWE-20	http://cwe.mitre.org/data/definitions/20.html

CPE Configuration (Product)

CPE	Vulnerable	Operator
		AND
cpe:2.3:a:joplinapp:joplin:2.8.8:::::::*	1	OR
cpe:2.3:o:linux:linux_kernel:-:::::::*	0	OR
		AND
cpe:2.3:a:joplinapp:joplin:2.8.8:::::::*	1	OR
cpe:2.3:o:canonical:ubuntu_linux:20.04::::-:::	0	OR

CVSS Version 3

Version
3.1

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

Attack Vector
LOCAL

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
REQUIRED

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
7.8

Base Severity
HIGH

Exploitability Score
1.8

Impact Score
5.9

References

Reference URL	Reference Tags
https://github.com/laurent22/joplin
https://fluidattacks.com/advisories/skrillex/

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2022-40277
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-40277

History

Created	Old Value	New Value	Data Type	Notes
2022-09-30 18:00:12				Added to TrackCVE
2022-12-07 05:20:36	2022-09-30T17:15Z	2022-09-30T17:15:13	CVE Published Date	updated
2022-12-07 05:20:36		2022-10-04T17:20:35	CVE Modified Date	updated
2022-12-07 05:20:36		Analyzed	Vulnerability Status	updated