Lack of data validation - Content Spoofing

Description

An unauthorized attacker generating a token without credentials, due to a misconfiguration in the file upload can replace files already uploaded by a client since the application does not validate if these were already sent in the file upload request.

Impact

Replace information sent by customers.

Recommendation

Enable a mechanism to identify the status of the procedure and restrict access to objects to authorized users.

Threat

Unauthorized external attacker with process ID.

Expected Remediation Time

⌚ minutes.

Score

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

Base

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

Temporal

• Exploit code madurity: X
• Remediation level: X
• Report confidence: X

Result

• Vector string: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:X/RL:X/RC:X
• Score:
  • Base: 3.5
  • Temporal: 3.5
• Severity:
  • Base: Low
  • Temporal: Low

Requirements

• 173.Discard unsafe inputs
• 320.Avoid client-side control enforcement
• 342.Validate request parameters

Fixes

• Elixir
• Scala
• Go
• Java
• PHP
• TypeScript

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