CWE-496 公开数据赋值给私有的数组类型数据域
Public Data Assigned to Private Array-Typed Field
结构: Simple
Abstraction: Variant
状态: Incomplete
被利用可能性: unkown
基本描述
Assigning public data to a private array is equivalent to giving public access to the array.
相关缺陷
- cwe_Nature: ChildOf cwe_CWE_ID: 664 cwe_View_ID: 1000 cwe_Ordinal: Primary
适用平台
Language: [{'cwe_Name': 'C', 'cwe_Prevalence': 'Undetermined'}, {'cwe_Name': 'C++', 'cwe_Prevalence': 'Undetermined'}, {'cwe_Name': 'Java', 'cwe_Prevalence': 'Undetermined'}, {'cwe_Name': 'C#', 'cwe_Prevalence': 'Undetermined'}]
常见的影响
| 范围 | 影响 | 注释 |
|---|---|---|
| Integrity | Modify Application Data | The contents of the array can be modified from outside the intended scope. |
可能的缓解方案
Implementation
策略:
Do not allow objects to modify private members of a class.
示例代码
例
In the example below, the setRoles() method assigns a publically-controllable array to a private field, thus allowing the caller to modify the private array directly by virtue of the fact that arrays in Java are mutable.
bad Java
private String[] userRoles;
public void setUserRoles(String[] userRoles) {
public void setUserRoles(String[] userRoles) {
this.userRoles = userRoles;
}
分类映射
| 映射的分类名 | ImNode ID | Fit | Mapped Node Name |
|---|---|---|---|
| 7 Pernicious Kingdoms | Public Data Assigned to Private Array-Typed Field | ||
| Software Fault Patterns | SFP25 | Tainted input to variable |
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