CVE-2017-6920
CRITICAL9.8EPSS 66.1%Drupal PECL YAML parser unsafe object handling
Published: 5/14/2022Modified: 4/23/2024
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 packages (2)
- Packagist/drupal/core>= 8.0, < 8.3.4
- Packagist/drupal/drupal>= 8.0, < 8.3.4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
References (8)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2017-6920
- PATCHhttps://github.com/drupal/core
- WEBhttps://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/core/CVE-2017-6920.yaml
- WEBhttps://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/drupal/CVE-2017-6920.yaml
- WEBhttps://www.drupal.org/forum/newsletters/security-advisories-for-drupal-core/2017-06-21/drupal-core-multiple
- WEBhttps://www.drupal.org/SA-CORE-2017-003
- WEBhttp://www.securityfocus.com/bid/99211
- WEBhttp://www.securitytracker.com/id/1038781