Weakness · Medium

CWE-407: Inefficient Algorithmic Complexity

What it is

An algorithm in a product has an inefficient worst-case computational complexity that may be detrimental to system performance and can be triggered by an attacker, typically using crafted manipulations that ensure that the worst case is being reached.

Likelihood of exploit: LowMITRE CWE 4.19.1

Severity (our rating)
Medium
Likelihood of exploit
Low
Introduced during
Architecture and Design, Implementation
Exploited in the wild
No CVE in CISA's catalog

What an attacker can do

  • DoS: Resource Consumption (CPU) (Availability)
  • DoS: Resource Consumption (Memory) (Availability)
  • DoS: Resource Consumption (Other) (Availability)

How to prevent it

MITRE lists no specific mitigation for this weakness. Treat it like its parent weaknesses below: validate input, keep the design simple and review the code where it could appear.

CWE-407 on MITRE's CWE site

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Source: MITRE Common Weakness Enumeration, CWE version 4.19.1. CWE is a trademark of The MITRE Corporation.