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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 src.

Base​

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

Temporal​

  • Exploit code maturity: 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

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

Threat 4.0​

  • Exploit maturity: P

Result 4.0​

  • Vector string: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
  • Score:
    • CVSS-BT: 5.5
  • Severity:
    • CVSS-BT: Medium

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​

Fixes​

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