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GitHub Advisory DatabaseGHSA-MJR5-V9C9-MM7G

HistoryOct 01, 2022 - 12:00 a.m.

Joplin Remote Code Execution

2022-10-0100:00:20

CWE-20

GitHub Advisory Database

github.com

joplin

remote code execution

arbitrary commands

security vulnerability

markdown file

protocol validation

version 2.8.8

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.001

Percentile

36.2%

JSON

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.

Affected configurations

Vulners

Node

joplin_projectjoplinRange≤2.8.8

VendorProductVersionCPE
joplin_projectjoplin*cpe:2.3:a:joplin_project:joplin:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
joplin_project	joplin	*	cpe:2.3:a:joplin_project:joplin::::::::

References

fluidattacks.com/advisories/skrillex

github.com/advisories/GHSA-mjr5-v9c9-mm7g

nvd.nist.gov/vuln/detail/CVE-2022-40277

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.001

Percentile

36.2%

JSON

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