drupal/core · Security
Drupal PECL YAML parser unsafe object handling
- GHSA ID
- GHSA-9c24-g32g-35rj
- CVE ID
- CVE-2017-6920
- Severity
- critical
- Published
- Updated
- CVSS
- 9.8 · CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS v3
- 9.8 · CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.
CWEs
- CWE-94 · Improper Control of Generation of Code ('Code Injection')
References
- 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 ↗