Symmetric denial of service

Description

The server is rendered unresponsive by successively repeating a request which consumes a lot of resources or takes too long to be processed.

Impact

Deny temporary or permanently the access to one or several application services.

Recommendation

Define a time-out when a query or a search is taking a lot of time processing the information

Threat

Anonymous attacker from the Internet.

Expected Remediation Time

⌚ 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: N
• Availability: H

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:N/I:N/A:H/E:X/RL:X/RC:X
• Score:
  • Base: 7.5
  • Temporal: 7.5
• Severity:
  • Base: High
  • Temporal: High

Requirements

• 072.Set maximum response time
• 327.Set a rate limit

Fixes

• Java
• TypeScript
• C-Sharp
• Dart
• Ruby
• Scala
• PHP
• Python
• Elixir
• Go

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