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Business information leak - DB

Description​

From sensitive information stored in the source code, business information is obtained, such as:

  • Users who have made recent transactions, document number and full name.
  • Wallet IDs.
  • Versions and operating system names.
  • Transaction codes.
  • Endpoints available to, and consumed by each user.
  • Associated credit cards.
  • Available balance.

Impact​

  • Obtain information about users and their common transactions.
  • Obtain information about the applications APIs, and the parameters required to query them.
  • Identify the devices a user uses to access the application.
  • Associate a user with an account number, credit card number, and available balance.

Recommendation​

According to the classification of the found information, establish the necessary controls, so the information is accessible only to the indicated persons.

Threat​

Authorized attacker with the credentials obtained from the source code, on Internet.

Expected Remediation Time​

⌚ minutes.

Score​

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

Base​

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

Temporal​

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

Result​

  • Vector string: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:L/A:N/E:X/RL:X/RC:X
  • Score:
    • Base: 5.0
    • Temporal: 5.0
  • Severity:
    • Base: Medium
    • Temporal: Medium

Requirements​

Fixes​

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