CVE-2024-22402: Improper handling of request URLs in Nextcloud Guests app allows guest users to bypass app allowlist
First published: Thu Jan 18 2024(Updated: )
Nextcloud guests app is a utility to create guest users which can only see files shared with them. In affected versions users were able to load the first page of apps they were actually not allowed to access. Depending on the selection of apps installed this may present a permissions bypass. It is recommended that the Guests app is upgraded to 2.4.1, 2.5.1 or 3.0.1. There are no known workarounds for this vulnerability.
Credit: security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Nextcloud Guests | <2.4.1 | |
| Nextcloud Guests | =2.5.0 | |
| Nextcloud Guests | =3.0.0 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2024-22402?
CVE-2024-22402 is classified as a moderate severity vulnerability due to its potential to expose restricted app access.
How do I fix CVE-2024-22402?
To fix CVE-2024-22402, upgrade the Nextcloud guests application to version 2.5.1 or higher.
What systems are affected by CVE-2024-22402?
CVE-2024-22402 affects the Nextcloud guests app in versions up to 2.4.1, version 2.5.0, and version 3.0.0.
What kind of data can be exposed due to CVE-2024-22402?
CVE-2024-22402 may expose sensitive information from apps that restricted users should not access.
Is there a workaround for CVE-2024-22402?
There is no official workaround for CVE-2024-22402, so upgrading is the recommended solution.
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