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  5. CVE-2018-14774

CVE-2018-14774: Improper Input Validation

August 3, 2018 (updated October 17, 2018)

An issue was discovered in HttpKernel in Symfony 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.

References

  • nvd.nist.gov/vuln/detail/CVE-2018-14774

Code Behaviors & Features

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Affected versions

All versions starting from 2.7.0 up to 2.7.48, all versions starting from 2.8.0 up to 2.8.43, all versions starting from 3.3.0 up to 3.3.17, all versions starting from 3.4.0 up to 3.4.13, all versions starting from 4.0.0 up to 4.0.13, all versions starting from 4.1.0 up to 4.1.2

Fixed versions

  • 2.7.49
  • 2.8.44
  • 3.3.18
  • 3.4.14
  • 4.0.14
  • 4.1.3

Solution

Upgrade to versions 2.7.49, 2.8.44, 3.3.18, 3.4.14, 4.0.14, 4.1.3 or above.

Impact 7.2 HIGH

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

Learn more about CVSS

Weakness

  • CWE-20: Improper Input Validation

Source file

packagist/symfony/symfony/CVE-2018-14774.yml

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