Unsafe Mobile Code

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

This article includes content generously donated to OWASP by Fortify.JPG.

ASDR Table of Contents

Last revision (mm/dd/yy): 02/17/2009


Access Violation

The program violates secure coding principles for mobile code by returning a private array variable from a public access method.

Returning a private array variable from a public access method allows the calling code to modify the contents of the array, effectively giving the array public access and contradicting the intentions of the programmer who made it private.

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

Risk Factors

  • Talk about the factors that make this vulnerability likely or unlikely to actually happen
  • Discuss the technical impact of a successful exploit of this vulnerability
  • Consider the likely [business impacts] of a successful attack


The following Java Applet code mistakenly returns a private array variable from a public access method.

	public final class urlTool extends Applet {
		private URL[] urls;
		public URL[] getURLs() {
			return urls;

Related Attacks

Related Vulnerabilities

Related Controls

Related Technical Impacts