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.

Remediation

References

CVE-2017-6920

Related Vulnerabilities

WordPress Plugin Maintenance Cross-Site Scripting (4.02)

MySQL Divide By Zero Vulnerability (CVE-2019-16168)

PHP Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2010-3062)

phpMyAdmin Improper Input Validation Vulnerability (CVE-2016-6623)

WebLogic Deserialization of Untrusted Data Vulnerability (CVE-2019-17531)

Severity

Critical

Classification

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Tags

Missing Update Known Vulnerabilities CVE-2017-6920