CVE-2024-39918 Path Traveral in @jmondi/url-to-png
An attacker can exploit unsanitized input to store images in arbitrary server locations, potentially overwriting files or causing data modification.
- 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-2024-39918?
CVE-2024-39918 is a medium-severity path traversal vulnerability in jasonraimondi url-to-png, published on 15 Jul 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
@jmondi/url-to-png is an open source URL to PNG utility featuring parallel rendering using Playwright for screenshots and with storage caching via Local, S3, or CouchDB. Input of the `ImageId` in the code is not sanitized and may lead to path traversal. This allows an attacker to store an image in an arbitrary location that the server has permission to access. This issue has been addressed in version 2.1.2 and all users are advised to upgrade. There are no known workarounds for this vulnerability.
Weakness: CWE-22
Which versions are affected by CVE-2024-39918?
2 open source packages ship an affected version, including @jmondi/url-to-png.
| Package | Affected | Fixed in |
|---|---|---|
@jmondi/url-to-png npm | All versions | 2.1.2 |
@jmondi/url-to-png npm | All versions | 2.1.2 |
How do I fix CVE-2024-39918?
Upgrade @jmondi/url-to-png to 2.1.2 or later.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2024-39918 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-39918 exists.
Sources
Also known as GHSA-vvmv-wrvp-9gjr.