CVE-2022-40277: Input Validation
First published: Fri Sep 30 2022(Updated: )
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.
Credit: help@fluidattacks.com help@fluidattacks.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Joplinapp Joplin | =2.8.8 | |
| Linux Linux kernel | ||
| Canonical Ubuntu Linux | =20.04 | |
| npm/joplin | <=2.8.8 | |
| All of | ||
| Joplinapp Joplin | =2.8.8 | |
| Linux Linux kernel | ||
| All of | ||
| Joplinapp Joplin | =2.8.8 | |
| Canonical Ubuntu Linux | =20.04 |
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Reference Links
Frequently Asked Questions
What is CVE-2022-40277?
CVE-2022-40277 is a vulnerability in Joplin version 2.8.8 that allows an external attacker to execute arbitrary commands remotely on any client that opens a link in a malicious markdown file.
How does CVE-2022-40277 work?
CVE-2022-40277 works by exploiting the lack of proper validation of the schema/protocol of existing links in markdown files opened in Joplin, allowing an attacker to execute arbitrary commands remotely.
What is the severity of CVE-2022-40277?
The severity of CVE-2022-40277 is high, with a CVSS score of 7.8.
Which software versions are affected by CVE-2022-40277?
Joplin version 2.8.8 is affected by CVE-2022-40277.
How can I fix CVE-2022-40277?
To fix CVE-2022-40277, it is recommended to update Joplin to a version that includes the necessary security patches.
- collector/nvd-index
- agent/type
- collector/github-advisory-latest
- source/GitHub
- alias/GHSA-mjr5-v9c9-mm7g
- alias/CVE-2022-40277
- agent/software-canonical-lookup
- agent/weakness
- agent/severity
- agent/references
- agent/description
- agent/author
- collector/nvd-cve
- source/NVD
- agent/softwarecombine
- collector/github-advisory
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/event
- agent/tags
- agent/first-publish-date
- agent/trending
- vendor/joplinapp
- canonical/joplinapp joplin
- version/joplinapp joplin/2.8.8
- vendor/linux
- canonical/linux linux kernel
- vendor/canonical
- canonical/canonical ubuntu linux
- version/canonical ubuntu linux/20.04
- package-manager/npm