Skip to main content

Insecure service configuration - Firewall

Description​

The server where the application is hosted has port 8080 open running the http-proxy service.

Impact​

  • Establish, from the Internet, a connection with the port open.
  • Allow malicious clients to mount attacks originating from the IP address of the server running the proxy, without requiring authentication from the attacker.
  • Access to the internal network on which the server is located

Recommendation​

Securely configure the vulnerable service, so that it can only be accessed by authorized users.

Threat​

Anonymous attacker 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: N
  • User interaction: N
  • Scope: U
  • Confidentiality: N
  • Integrity: L
  • Availability: N

Temporal​

  • Exploit code madurity: P
  • Remediation level: W
  • Report confidence: R

Result​

  • Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:W/RC:R
  • Score:
    • Base: 5.3
    • Temporal: 4.7
  • Severity:
    • Base: Medium
    • Temporal: Medium

Code Examples​

Compliant code​

All sensitive services are configured with restricted access

server:
  port: 8443
  ssl:
    key-store: classpath:keystore.jks
    key-store-password: password.secret
  permissions:
    admin: allow
    user: deny

Non compliant code​

There is a vulnerable service, configured for public access

server:
  port: 8080
  ssl:
    key-store: keystore.ks
    key-store-password: "password"

Requirements​

free trial

Search for vulnerabilities in your apps for free with our automated security testing! Start your 21-day free trial and discover the benefits of our Continuous Hacking Machine Plan. If you prefer a full service that includes the expertise of our ethical hackers, don't hesitate to contact us for our Continuous Hacking Squad Plan.