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

⌚ 60 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 maturity: 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

Score 4.0

Default score using CVSS 4.0. It may change depending on the context of the src.

Base 4.0

Attack vector: N
Attack complexity: H
Attack Requirements: N
Privileges required: H
User interaction: N
Confidentiality (VC): H
Integrity (VI): L
Availability (VA): N
Confidentiality (SC): N
Integrity (SI): N
Availability (SA): N

Threat 4.0

Exploit maturity: X

Result 4.0

Vector string: CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X
Score:

CVSS-BT: 5.9

Severity:

CVSS-BT: Medium

Requirements

Fixes

Free trial

Search for vulnerabilities in your apps for free with Fluid Attacks' automated security testing! Start your 21-day free trial and discover the benefits of the Continuous Hacking Essential plan. If you prefer the Advanced plan, which includes the expertise of Fluid Attacks' hacking team, fill out this contact form.