Description

Drupal Core is prone to a security bypass vulnerability. Exploiting this issue may allow attackers to bypass certain security restrictions and perform otherwise restricted actions. Drupal Core versions 8.x ranging from 8.0.0 and up to and including 8.5.5 are vulnerable.

Remediation

Update to Drupal Core version 8.5.6 or latest

References

https://www.drupal.org/SA-CORE-2018-005

https://symfony.com/blog/cve-2018-14773-remove-support-for-legacy-and-risky-http-headers

https://framework.zend.com/security/advisory/ZF2018-01

https://drupal.stackexchange.com/questions/266784/how-critical-is-sa-core-2018-005

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Helpful Security Bypass (4.5.14)

Severity

High

Classification

CVE-2018-14773 CWE-749 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Tags

Missing Update Authentication Bypass