CWE-910 使用过期的文件描述符
Use of Expired File Descriptor
结构: Simple
Abstraction: Base
状态: Incomplete
被利用可能性: Medium
基本描述
The software uses or accesses a file descriptor after it has been closed.
扩展描述
After a file descriptor for a particular file or device has been released, it can be reused. The code might not write to the original file, since the reused file descriptor might reference a different file or device.
相关缺陷
- cwe_Nature: ChildOf cwe_CWE_ID: 672 cwe_View_ID: 1000 cwe_Ordinal: Primary
适用平台
Language: [{'cwe_Name': 'C', 'cwe_Prevalence': 'Sometimes'}, {'cwe_Name': 'C++', 'cwe_Prevalence': 'Sometimes'}, {'cwe_Class': 'Language-Independent', 'cwe_Prevalence': 'Undetermined'}]
常见的影响
| 范围 | 影响 | 注释 |
|---|---|---|
| Confidentiality | Read Files or Directories | The program could read data from the wrong file. |
| Availability | DoS: Crash, Exit, or Restart | Accessing a file descriptor that has been closed can cause a crash. |
分类映射
| 映射的分类名 | ImNode ID | Fit | Mapped Node Name |
|---|---|---|---|
| CERT C Secure Coding | FIO46-C | Exact | Do not access a closed file |