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Returning references to sensitive resources from within a doPrivileged() block can break encapsulation and confinement. Any caller who can invoke the privileged code directly and obtain a reference to a sensitive resource or field can maliciously modify its elements.

Guideline Rule

Severity

Likelihood

Remediation Cost

Priority

Level

SEC00-J

medium

likely

high

P6

L2

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[[API 2006

AA. Bibliography#API 06]]

[method doPrivileged()

http://java.sun.com/javase/6/docs/api/java/security/AccessController.html#doPrivileged(java.security.PrivilegedAction)]

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[[Gong 2003

AA. Bibliography#Gong 03]]

Sections 6.4, AccessController and 9.5 Privileged Code

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