CVE-2024-47818 Logged-in users with any role can delete arbitrary files in @saltcorn/server
Logged-in users can delete arbitrary files on the server via an unvalidated parameter in the sync directory cleanup endpoint.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-47818?
CVE-2024-47818 is a medium-severity path traversal vulnerability in saltcorn, published on 7 Oct 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Saltcorn is an extensible, open source, no-code database application builder. A logged-in user with any role can delete arbitrary files on the filesystem by calling the `sync/clean_sync_dir` endpoint. The `dir_name` POST parameter is not validated/sanitized and is used to construct the `syncDir` that is deleted by calling `fs.rm`. This issue has been addressed in release version 1.0.0-beta16 and all users are advised to upgrade. There are no known workarounds for this vulnerability.
Weakness: CWE-22
Which versions are affected by CVE-2024-47818?
2 open source packages ship an affected version, including @saltcorn/server.
| Package | Affected | Fixed in |
|---|---|---|
@saltcorn/server npm | All versions | 1.0.0-beta.16 |
@saltcorn/server npm | All versions | 1.0.0-beta.16 |
How do I fix CVE-2024-47818?
Upgrade @saltcorn/server to 1.0.0-beta.16 or later.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2024-47818 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-47818 exists.
Sources
Also known as GHSA-43f3-h63w-p6f6.