ITS ADVISORY NUMBER:
Vulnerabilities in Oracle Java SE Could Allow Remote Code Execution
Vulnerabilities have been discovered in Oracle Java SE that can lead to remote code execution. The Java Platform, Standard Edition (SE) is used to develop and deploy Java applications on desktops and servers. These vulnerabilities may be exploited if a user visits, or is redirected to a specifically crafted web page. Successful exploitation of these vulnerabilities could result in an attacker gaining the same privileges as the Java application. Depending on the privileges associated with the application, an attacker could execute arbitrary code in the context of the application, and bypass security restrictions.
- Oracle Java 7 Update 17. Earlier versions may also be affected.
- Large and medium government entities: High
- Small government entities: High
- Large and medium business entities: High
- Small business entities: High
Home users: High
Vulnerabilities have been discovered in Oracle Java SE that can lead to remote code execution. In order to exploit these vulnerabilities, an attacker must first create a web page with a specially crafted applet designed to leverage this issue. When the web page is visited, the attacker-supplied code is run in the context of the affected application. Successful exploitation of these vulnerabilities could result in an attacker gaining the same privileges as the java application. Depending on the privileges associated with the application, an attacker could execute arbitrary code in the context of the application, and bypass security restrictions.
These vulnerabilities were demonstrated at a recent cyber security forum; however no public working exploits are reported to be available.
We recommend the following actions be taken:
- Once the patches become available and after appropriate testing, apply the patches from Oracle immediately.
- Set web browser security to disable the execution of script code or active content.
- Run all software as a non-privileged user (one without administrative privilege.es) to diminish the effects of a successful attack.
- Remind users not to visit un-trusted websites or follow links provided by unknown or un-trusted sources.
- Remind users not to open email attachments from unknown users or suspicious emails from trusted sources.
Acting Chief Information Security Officer
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