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Call interception

Description​

It is possible to intercept calls made using the VoIP platform because the communication is not encrypted.

Impact​

Get call information.

Recommendation​

Configure the channel with TLS or SRTP and TLS, or configure a firewall to cipher calls.

Threat​

Attacker authenticated from the Internet.

Expected Remediation Time​

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

Temporal​

  • Exploit code maturity: 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

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

Threat 4.0​

  • Exploit maturity: X

Result 4.0​

  • Vector string: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X
  • Score:
    • CVSS-BT: 5.3
  • Severity:
    • CVSS-BT: Medium

Compliant code​

Modify resource configuration with tls

port: 8008
  tls: true
  type: https
  x_forwarded: true
  bind_addresses: ['::1', '127.0.0.1']
  resources:
    - names: [client, federation]
      compress: false

Non compliant code​

Insecure resource configuration (No tls)

port: 8008
  tls: false
  type: http
  x_forwarded: true
  bind_addresses: ['::1', '127.0.0.1']
  resources:
    - names: [client, federation]
      compress: false

Requirements​

Fixes​

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