CVE-2024-37317 Nextcloud Notes app can be tricked into using a received share created before the user logged in
Attackers can force new users to store personal notes in an attacker-controlled shared folder, leading to data exposure or modification.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2024-37317?
CVE-2024-37317 is a medium-severity missing authorization vulnerability in nextcloud security-advisories, published on 14 Jun 2024. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
The Nextcloud Notes app is a distraction free notes taking app for Nextcloud. If an attacker managed to share a folder called `Notes/` with a newly created user before they logged in, the Notes app would use that folder store the personal notes. It is recommended that the Nextcloud Notes app is upgraded to 4.9.3.
Which versions are affected by CVE-2024-37317?
It affects 1 product.
Products include Nextcloud Notes.
How do I fix CVE-2024-37317?
No fix has been published for CVE-2024-37317 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2024-37317 being exploited?
There is no known exploitation of CVE-2024-37317 in the wild and no public exploit code.
Other vulnerabilities in nextcloud security-advisories
Sources
Also known as GHSA-wfqv-cx85-7rjx.