CWE-333: Improper Handling of Insufficient Entropy in TRNG
CWE版本: 4.18
更新日期: 2025-09-09
弱点描述
True random number generators (TRNG) generally have a limited source of entropy and therefore can fail or block.
扩展描述
The rate at which true random numbers can be generated is limited. It is important that one uses them only when they are needed for security.
常见后果
影响范围: Availability
技术影响: DoS: Crash, Exit, or Restart
说明: A program may crash or block if it runs out of random numbers.
潜在缓解措施
阶段: Implementation
描述: Rather than failing on a lack of random numbers, it is often preferable to wait for more numbers to be created.
引入模式
| 阶段 | 说明 |
|---|---|
| Architecture and Design | - |
| Implementation | REALIZATION: This weakness is caused during implementation of an architectural security tactic. |
适用平台
编程语言
分类映射
| 分类名称 | 条目ID | 条目名称 | 映射适配度 |
|---|---|---|---|
| CLASP | - | Failure of TRNG | - |
| The CERT Oracle Secure Coding Standard for Java (2011) | MSC02-J | Generate strong random numbers | - |