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Business information leak - Corporate information

Description

It is possible to access information about some of the company employees, such as their roles and contact information.

Impact

Obtain information about the role played by some workers within the company. As well as their contact information.

Recommendation

Establish controls to prevent an attacker from accessing the organizations corporate information.

Threat

Attacker with access to the application from the Internet.

Expected Remediation Time

⌚ 45 minutes.

Score

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

Base

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

Temporal

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

Result

  • Vector string: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:X/RL:X/RC:X
  • Score:
    • Base: 4.3
    • Temporal: 4.3
  • Severity:
    • Base: Medium
    • Temporal: Medium

Code Examples

Compliant code

The application restrics only admin users to access the sensitive information

const getUserInfo = (req, res) => {
const userCredentials = getCredentials(req.body.userId);
if (isValidUser(req.body.user) && userCredentials == "ADMIN") {
const requestedUser = req.body.requiredUser;
res.send(requestedUser.email);
res.send(requestedUser.phone);
}
}

Non compliant code

The application does not validate the user permissions to access the information

const getUserInfo = (req, res) => {
if (isValidUser(req.body.user)) {
const requestedUser = req.body.requiredUser;
res.send(requestedUser.email);
res.send(requestedUser.phone);
}
}

Requirements