CWE-54 路径等价：'filedir'(结尾的反斜杠)
Path Equivalence: 'filedir' (Trailing Backslash)
结构: Simple
Abstraction: Variant
状态: Incomplete
被利用可能性: unkown
基本描述
A software system that accepts path input in the form of trailing backslash ('filedir') without appropriate validation can lead to ambiguous path resolution and allow an attacker to traverse the file system to unintended locations or access arbitrary files.
相关缺陷
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cwe_Nature: ChildOf cwe_CWE_ID: 41 cwe_View_ID: 1000 cwe_Ordinal: Primary
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cwe_Nature: ChildOf cwe_CWE_ID: 41 cwe_View_ID: 699 cwe_Ordinal: Primary
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cwe_Nature: ChildOf cwe_CWE_ID: 162 cwe_View_ID: 1000
适用平台
Language: {'cwe_Class': 'Language-Independent', 'cwe_Prevalence': 'Undetermined'}
常见的影响
| 范围 | 影响 | 注释 |
|---|---|---|
| ['Confidentiality', 'Integrity'] | ['Read Files or Directories', 'Modify Files or Directories'] |
可能的缓解方案
MIT-20 Implementation
策略: Input Validation
Inputs should be decoded and canonicalized to the application's current internal representation before being validated (CWE-180). Make sure that the application does not decode the same input twice (CWE-174). Such errors could be used to bypass whitelist validation schemes by introducing dangerous inputs after they have been checked.
分析过的案例
| 标识 | 说明 | 链接 |
|---|---|---|
分类映射
| 映射的分类名 | ImNode ID | Fit | Mapped Node Name |
|---|---|---|---|
| PLOVER | filedir (trailing backslash) | ||
| Software Fault Patterns | SFP16 | Path Traversal |
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