CWE-584 在最后的代码块中返回
Return Inside Finally Block
结构: Simple
Abstraction: Base
状态: Draft
被利用可能性: unkown
基本描述
The code has a return statement inside a finally block, which will cause any thrown exception in the try block to be discarded.
相关缺陷
常见的影响
| 范围 | 影响 | 注释 |
|---|---|---|
| Other | Alter Execution Logic |
可能的缓解方案
Implementation
策略:
Do not use a return statement inside the finally block. The finally block should have "cleanup" code.
示例代码
例
In the following code excerpt, the IllegalArgumentException will never be delivered to the caller. The finally block will cause the exception to be discarded.
bad Java
try {
...
throw IllegalArgumentException();
throw IllegalArgumentException();
}
finally {
return r;
}
分类映射
| 映射的分类名 | ImNode ID | Fit | Mapped Node Name |
|---|---|---|---|
| The CERT Oracle Secure Coding Standard for Java (2011) | ERR04-J | Do not complete abruptly from a finally block | |
| The CERT Oracle Secure Coding Standard for Java (2011) | ERR05-J | Do not let checked exceptions escape from a finally block | |
| Software Fault Patterns | SFP6 | Incorrect Exception Behavior |
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