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Difference between revisions of "Unsafe Mobile Code: Dangerous Public Field"

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Revision as of 14:22, 9 November 2008

This is a Vulnerability. To view all vulnerabilities, please see the Vulnerability Category page.

This article includes content generously donated to OWASP by MicroFocus Logo.png

ASDR Table of Contents


Last revision (mm/dd/yy): 11/9/2008


Description

The program violates secure coding principles for mobile code by declaring a member variable public but not final.

All public member variables in an Applet and in classes used by an Applet should be declared final to prevent an attacker from manipulating or gaining unauthorized access to the internal state of the Applet.

For more details about mobile code and its security concerns, please see Category:Unsafe Mobile Code.


Risk Factors

TBD

Examples

The following Java Applet code mistakenly declares a member variable public but not final.

	public final class urlTool extends Applet {
		public URL url;
		...
	}

Related Attacks


Related Vulnerabilities


Related Controls


Related Technical Impacts


References

TBD