Improper input validation in Sensiolabs Symfony

CVE-2018-14774

An issue was discovered in HttpKernel in Symfony 2.7.0 through 2.7.48, 2.8.0 through 2.8.43, 3.3.0 through 3.3.17, 3.4.0 through 3.4.13, 4.0.0 through 4.0.13, and 4.1.0 through 4.1.2. When using HttpCache, the values of the X-Forwarded-Host headers are implicitly set as trusted while this should be forbidden, leading to potential host header injection.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.011 (63.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

  • cve@mitre.org (x_refsource_CONFIRM, Patch, Third Party Advisory, Issue Tracking)
  • cve@mitre.org (x_refsource_CONFIRM, Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2018-14774?
CVE-2018-14774 is a high-severity vulnerability in Sensiolabs Symfony, classified under Improper Input Validation. CVSS score: 7.2/10. Published 2018-08-03.
How severe is CVE-2018-14774?
High severity. CVSS v3 base score is 7.2 out of 10.