Vulnerability Description
Drupal core 8 before versions 8.3.4 allows remote attackers to execute arbitrary code due to the PECL YAML parser not handling PHP objects safely during certain operations.
CVSS Score
9.8
CRITICAL
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Drupal | Drupal | >= 8.0.0, < 8.3.4 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/99211Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1038781Third Party AdvisoryVDB Entry
- https://www.drupal.org/forum/newsletters/security-advisories-for-drupal-core/201PatchVendor Advisory
- http://www.securityfocus.com/bid/99211Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1038781Third Party AdvisoryVDB Entry
- https://www.drupal.org/forum/newsletters/security-advisories-for-drupal-core/201PatchVendor Advisory
FAQ
What is CVE-2017-6920?
CVE-2017-6920 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Drupal core 8 before versions 8.3.4 allows remote attackers to execute arbitrary code due to the PECL YAML parser not handling PHP objects safely during certain operations.
How severe is CVE-2017-6920?
CVE-2017-6920 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2017-6920?
Check the references section above for vendor advisories and patch information. Affected products include: Drupal Drupal.