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Failure to make sensitive classes noncopyable can permit violations of class invariants and provide malicious subclasses with the opportunity to exploit the code to create new instances of objects, even in the presence of the default security manager (in the absence of custom security checks).
Rule | Severity | Likelihood | Remediation Cost | Priority | Level |
|---|---|---|---|---|---|
OBJ07-J | Medium | Probable | Medium | P8 | L2 |
Automated Detection
| Tool | Version | Checker | Description |
|---|---|---|---|
| Parasoft Jtest |
|
|
| SECURITY.WSC.MCNC |
| Make your classes noncloneable |
Related Guidelines
CWE-498, Cloneable Class Containing Sensitive Information |
Bibliography
"Twelve Rules for Developing More Secure Java Code" | |
Section 10.6, "Java" |
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