Oracle Java SE is an integral part of many applications and devices across various platforms. The security of this technology is essential for maintaining the confidentiality of data and information. In 2014, an unspecified vulnerability was reported affecting Oracle Java SE 6u71, 7u51, and 8, as well as Java SE Embedded 7u51. This vulnerability, referred to as CVE-2014-0449, enables remote attackers to compromise the confidentiality of users' information via unknown vectors associated with deployment. In this long-read post, we'll break down the nature of this vulnerability, how it can be exploited, and what steps can be taken to mitigate against potential dangers.

Original References


CVE-2014-0449 Exploit Details

Although the specifics of the vulnerability are not disclosed in great detail, we know that it potentially affects a broad range of Oracle Java SE versions and is related to the Deployment component responsible for application installation, startup, and updates. Given the widespread usage of Java, this vulnerability could potentially impact a significant number of devices and software across platforms.

By exploiting CVE-2014-0449, an attacker could potentially access sensitive information without authorization. Due to the unspecified nature of the vulnerability, it is challenging to determine the full extent of potential exploitation methods. However, remote attackers could take advantage of the weak points in Java SE's Deployment component and utilize malicious code to compromise confidentiality. This exploit method would not require any user interaction and would rely solely on the vulnerability present in the affected Java SE versions.

Example Code Snippet

To better understand how exploitation might occur, let's look at an example code snippet that demonstrates a Java application deployment scenario:

import java.applet.Applet;
import java.awt.Graphics;

public class HelloWorldApplet extends Applet {

  public void paint(Graphics g) {
    g.drawString("Hello, world!", 50, 25);


In the above example, Java is responsible for the deployment of a simple applet. An attacker could insert malicious code into the applet to exploit the CVE-2014-0449 vulnerability and compromise the user's confidentiality. Although the code snippet does not directly reveal any vulnerabilities, the Deployment component handling the applet may be susceptible to exploitation.

Guidelines for Mitigation

1. The most effective mitigation step against this vulnerability is updating to a newer version of Java SE, as Oracle has released patches for the affected versions. This is especially important for Java SE Embedded 7u51, which should be updated to the newest version possible.

2. Adjusting security settings may help to minimize the potential for exploitation. For example, users can configure the Java Runtime Environment (JRE) settings to restrict applet execution or block untrusted sources to decrease the risk.

3. It is essential for organizations to implement best practices for secure coding and deployment when dealing with Java. Some resources include Oracle's Secure Coding Guidelines for Java SE and the OWASP Secure Coding Practices.

Final Thoughts

CVE-2014-0449 highlights the importance of staying up-to-date with security patches and following best practices for secure deployment. By understanding the nature of this vulnerability and how it can be exploited, developers and organizations can take the necessary steps to protect their applications and systems from potential threats.


Published on: 04/16/2014 00:55:00 UTC
Last modified on: 05/13/2022 14:57:00 UTC