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Lack of data validation - Host Header Injection

Description#

The application allows to manipulate the host header which may lead to unintended redirects to malicious websites.

Impact#

Redirect the user to harfmful websites

Recommendation#

Validate the host header against a whitelist of trusty domains

Threat#

Anonymous attacker from adjacent network

Score#

Default score using CVSS 3.1. It may change depending on the context of the vulnerability.

Base#

  • Attack vector: A
  • Attack complexity: H
  • Privileges required: N
  • User interaction: R
  • Scope: U
  • Confidentiality: N
  • Integrity: L
  • Availability: N

Temporal#

  • Exploit code madurity: H
  • Remediation level: U
  • Report confidence: C

Result#

  • Vector string: CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N/E:H/RL:U/RC:C
  • Score:
    • Base: 2.6
    • Temporal: 2.6
  • Severity:
    • Base: Low
    • Temporal: Low

Requirements#