CWE-375: Returning a Mutable Object to an Untrusted Caller
ID
CWE-375
Abstraction
Base
Structure
Simple
Status
Draft
Sending non-cloned mutable data as a return value may result in that data being altered or deleted by the calling function.
In situations where functions return references to mutable data, it is possible that the external code which called the function may make changes to the data sent. If this data was not previously cloned, the class will then be using modified data which may violate assumptions about its internal state.
Modes of Introduction
| Phase | Note |
|---|---|
| Implementation |
Applicable Platforms
| Type | Class | Name | Prevalence |
|---|---|---|---|
| Language | C | ||
| Language | C++ | ||
| Language | Java | ||
| Language | C# |
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