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Privacy violation

Description​

The system violates one or more privacy requirements.

Impact​

Incur in legal trouble due to a violation of user privacy.

Recommendation​

Abide by the privacy regulations in force.

Threat​

Unauthenticated attacker from the Iternet in the application.

Expected Remediation Time​

⌚ 300 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: N
  • Integrity: N
  • Availability: L

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:N/I:N/A:L/E:X/RL:X/RC:X
  • Score:
    • Base: 4.3
    • Temporal: 4.3
  • Severity:
    • Base: Medium
    • Temporal: Medium

Code Examples​

Compliant code​

The application allows for users to unsubscribe from email lists, following privacy regulations

app.get('/delete', async (req, res) => {
  try {
    const contact = await getContactByEmail(req.query.email);
    if(contact == null) throw `Contact not found.`;
    if (contact.custom_fields.conf_num ==  req.query.conf_num) {
      const listID = await getListID('Newsletter Subscribers');
      await deleteContactFromList(listID, contact);
      res.render('message', { message: 'mymessage' });
    }
  else throw 'Confirmation number does not match or contact is not subscribed'
  }
  catch(error) {
    console.error(error)
    res.render('message', { message: 'mymessage' })
  }
});

Non compliant code​

The application does not have proper functionality to unsubscribe from email notifications

app.post('/unsubscribe', async (req, res) => {
  res.redirect("/suscription");
});

Requirements​

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