Oracle's JavaFX is a software platform for creating cross-platform rich Internet applications (RIAs) was developed using the Java programming language or JavaFX script. It is bundled with Java Runtime Environment (JRE) and Java Development Kit since Java SE 7 Update 2. For Java SE 6, it is available to be downloaded separately from Oracle's website. For more information, please visit the vendor's website at:
Remote exploitation of an invalid type cast vulnerability in Oracle Corp.'s JavaFX software platform could allow an attacker to execute arbitrary code with the privileges of the current user.
The vulnerability exists within the JSObject class in the JavaFX library. JSObject APIs expose native methods, which will take arbitrary user-supplied values as object pointers. This can lead to arbitrary code execution under the context of the current process.
Exploitation of this vulnerability results in the execution of arbitrary code with the privileges of the current user. In order to exploit this vulnerability, a user must load a Web page containing a specially crafted Java applet or Java Web Start application. After the user visits the malicious Web page, no further user interaction is needed. An attacker typically accomplishes this via social engineering or injecting content into compromised, trusted sites. Typical social engineering attacks will pass URLs as part of instant messages or e-mail.
JavaFX 2.2.4 and prior are vulnerable.
Disable the Java plug-in in Internet Explorer, Firefox, Safari, Opera and Google Chrome. This workaround will prevent Java Applet and Java Web Start applications from running from websites, but will not affect regular Java applications.
Oracle has released a fix which addresses this issue. For more information, consult their advisory at the following URL:
The Common Vulnerabilities and Exposures (CVE) project has assigned the name CVE-2012-1543 to this issue. This is a candidate for inclusion in the CVE list (http://cve.mitre.org/), which standardizes names for security problems.
11/08/2012 Initial Vendor Notification
11/08/2012 Initial Vendor Reply
02/01/2013 Coordinated Public Disclosure
This vulnerability was reported to iDefense by Vitaliy Toropov.
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