CVE-2023-31250 Drupal core - Moderately critical - Access bypass - SA-CORE-2023-005
Attackers can bypass access controls to read private files due to insufficient path sanitization in Drupal core's file download facility.
- 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-2023-31250?
CVE-2023-31250 is a medium-severity path traversal vulnerability in Drupal Drupal, published on 26 Apr 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The file download facility doesn't sufficiently sanitize file paths in certain situations. This may result in users gaining access to private files that they should not have access to. Some sites may require configuration changes following this security release. Review the release notes for your Drupal version if you have issues accessing private files after updating.
Weakness: CWE-863
Which versions are affected by CVE-2023-31250?
10 open source packages ship an affected version, including drupal/core and drupal. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
drupal/core Packagist | From 10.0.0 | 10.0.8 |
drupal/core Packagist | From 10.0.0 | 10.0.8 |
drupal/core Packagist | From 7.0.0 | 7.96 |
drupal/core Packagist | From 7.0.0 | 7.96 |
drupal/core Packagist | From 8.0.0 | 9.4.14, 9.5.8, 10.0.8 |
drupal/core Packagist | From 9.0.0 | 9.4.14 |
4 more packages
drupal/core Packagist | From 9.0.0 | 9.4.14 |
drupal/core Packagist | From 9.5.0 | 9.5.8 |
drupal/core Packagist | From 9.5.0 | 9.5.8 |
drupal Bitnami | From 7.0.0 | 7.96.0, 9.4.14, 9.5.8, 10.0.8 |
Products include Drupal Drupal.
How do I fix CVE-2023-31250?
Upgrade drupal/core to a fixed version for your release line: 10.0.8, 7.96, 9.4.14 or 9.5.8.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2023-31250 being exploited?
There is no known exploitation of CVE-2023-31250 in the wild and no public exploit code.
Other vulnerabilities in Drupal Drupal
Sources
Also known as BIT-drupal-2023-31250, DRUPAL-CORE-2023-005, GHSA-8849-cv9f-vccm, UBUNTU-CVE-2023-31250.