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Business information leak - Network Unit

Description​

Different network units are used to identify the vulnerabilities present in the organization's network.

Impact​

  • Leverage breaches or security bottlenecks to cause a leakage of information.
  • Collect security event logs from the internal network.

Recommendation​

  • Check the network segmentation.
  • Secure transport encryption is crucial to encrypt the transmission in this layer.

Threat​

Anonymous atacker in local network.

Expected Remediation Time​

⌚ 30 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: N
  • User interaction: N
  • Scope: U
  • Confidentiality: L
  • Integrity: L
  • Availability: N

Temporal​

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

Result​

  • Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:X/RL:X/RC:X
  • Score:
    • Base: 6.5
    • Temporal: 6.5
  • Severity:
    • Base: Medium
    • Temporal: Medium

Code Examples​

Compliant code​

Secure transport encryption is enabled

public static void CreateTestMessage(string server){
  SmtpClient client = new SmtpClient(server);
  client.UseDefaultCredentials = true;
  client.EnableSsl = true;
  client.Send(message);
}

Non compliant code​

Secure transport encryption is disabled

public static void CreateTestMessage(string server){
  SmtpClient client = new SmtpClient(server);
  client.UseDefaultCredentials = true;
  client.EnableSsl = false;
  client.Send(message);
}

Requirements​

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