CVE-2017-6928
Last modified
CVE-2017-6928 is a vulnerability of currently unknown severity. Drupal core 7.x versions before 7.57 when using Drupal's private file system, Drupal will check to make sure a user has access to a file before allowing the user to view or download it. This check fails under certain conditions in which one module is trying to grant access to the file and another is trying to deny it, leading to an access bypass vulnerability. EPSS estimates a 1.06% chance of exploitation in the next 30 days.
Description
Drupal core 7.x versions before 7.57 when using Drupal's private file system, Drupal will check to make sure a user has access to a file before allowing the user to view or download it. This check fails under certain conditions in which one module is trying to grant access to the file and another is trying to deny it, leading to an access bypass vulnerability. This vulnerability is mitigated by the fact that it only occurs for unusual site configurations.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Drupal | Drupal | >= 7.0, < 7.57 |
| Debian | Debian Linux | 7.0 |
| Debian | Debian Linux | 8.0 |
| Debian | Debian Linux | 9.0 |
References
- https://lists.debian.org/debian-lts-announce/2018/02/msg00030.htmlThird Party Advisory
- https://www.debian.org/security/2018/dsa-4123Issue Tracking
- https://www.drupal.org/sa-core-2018-001Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2018/02/msg00030.htmlThird Party Advisory
- https://www.debian.org/security/2018/dsa-4123Issue Tracking
- https://www.drupal.org/sa-core-2018-001Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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