Skip to main content

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 vulnerability.

Base

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

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

Code Examples

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