CVE-2017-6922
Medium
Description
In Drupal core 8.x prior to 8.3.4 and Drupal core 7.x prior to 7.56; Private files that have been uploaded by an anonymous user but not permanently attached to content on the site should only be visible to the anonymous user that uploaded them, rather than all anonymous users. Drupal core did not previously provide this protection, allowing an access bypass vulnerability to occur. This issue is mitigated by the fact that in order to be affected, the site must allow anonymous users to upload files into a private file system.
SeverityMedium
CVSS6.5
Exploit probability—
Product
Drupal
PublishedJan 22, 2019
First seenJan 22, 2019
How to fix
Update
- drupal drupal7.56, 8.3.4 or later
- drupal/core7.56, 8.3.4 or later
- drupal/drupal8.3.4, 7.56 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| drupal drupal | 7.0 ≤ v < 7.56, 8.0.0 ≤ v < 8.3.4 | 7.56, 8.3.4 |
| debian debian_linux | 8.0, 9.0 | — |
| drupal/corePackagist | 7.0 ≤ v < 7.56, 8.0 ≤ v < 8.3.4 | 7.56, 8.3.4 |
| drupal/drupalPackagist | 8.0 ≤ v < 8.3.4, 7.0 ≤ v < 7.56 | 8.3.4, 7.56 |
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