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Lack of data validation - Type confusion

Description

A field is interpreted on the server-side, although it indicates that it only accepts numbers, it allows values in the form 0xff.

Impact

  • Get internal information about the operation of the system.
  • Inject code and get it interpreted by the server.

Recommendation

Validate on the server-side the data types that are entered but prevent them from being interpreted.

Threat

Authorized user from intranet.

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

Fixes

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