Weakness · High

CWE-334: Small Space of Random Values

What it is

The number of possible random values is smaller than needed by the product, making it more susceptible to brute force attacks.

MITRE CWE 4.19.1

Severity (our rating)
High
Likelihood of exploit
Not rated by MITRE
Introduced during
Architecture and Design, Implementation
Exploited in the wild
No CVE in CISA's catalog

What an attacker can do

  • Bypass Protection Mechanism (Access Control, Other)
  • Other (Access Control, Other)

How to prevent it

Architecture and Design

  • Use products or modules that conform to FIPS 140-2 to avoid obvious entropy problems. Consult FIPS 140-2 Annex C ("Approved Random Number Generators").

CWE-334 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.