GHSA-9c24-g32g-35rjCriticalCVSS 9.8
Drupal PECL YAML parser unsafe object handling
🔗 CVE IDs covered (1)
📋 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.
🎯 Affected products2
- composer/drupal/core:>= 8.0, < 8.3.4
- composer/drupal/drupal:>= 8.0, < 8.3.4
🔗 References (8)
- https://nvd.nist.gov/vuln/detail/CVE-2017-6920
- https://www.drupal.org/forum/newsletters/security-advisories-for-drupal-core/2017-06-21/drupal-core-multiple
- http://www.securityfocus.com/bid/99211
- http://www.securitytracker.com/id/1038781
- https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/core/CVE-2017-6920.yaml
- https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/drupal/CVE-2017-6920.yaml
- https://www.drupal.org/SA-CORE-2017-003
- https://github.com/advisories/GHSA-9c24-g32g-35rj