Oracle Java Runtime Environment (JRE) is a solution that provides a reliable Runtime Environment for JAVA applications. The jmx. mbeanserver. JmxMBeanServer class in Oracle JRE7 has the Sandbox Bypass Vulnerability, which allows remote attackers to bypass java securityManager checks and remotely execute arbitrary java code to control the user system. Currently, the affected environment is known to be the latest version of Oracle JRE7 update 10 and earlier. Oracle Java 6 is not affected.Temporary solution:If you cannot install or upgrade the patch immediately, we recommend that you take the following measures to reduce the threat: * temporarily disable Java in the browser reference: http://krebsonsecurity.com/how-to-unplug-java-from-the-browser/ For Windows users: 1) Use the Firefox tool-> Add component (Ctrl-Shift-A)-> plug-in to disable all Java words and restart Firefox. Install NoScript extension, NoScript option-> embedded object-> disable Java 2) chrome click the wrench in the upper right corner-> Settings-> click "display Advanced Settings"-> privacy settings-> content settings-> plug-ins-> disable a single plug-in-> Java-> disable 3) if you have upgraded to JRE 7 update 10, you can use a new security feature to disable JAVA. Open Control Panel, search for Java, select "security" in java Control Panel, and clear the check box of "Enable Java content in the browser. http://www.java.com/en/download/help/disable_browser.xml For versions earlier than JRE 7 update 10: Control Panel> Java> View> User> disable all versions of JRE (Java Runtime Environment) control Panel-> Java-> View-> system-> disable all versions of JRE (Java Runtime Environment), but this method is only applicable to XP and 2003, windows, such as Vista and Win7, cannot be empty. Use regedit to modify the registry. The registry key value is located: unzip Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE \ SOFTWARE \ JavaSoft \ Java Plug-in] [HKEY_LOCAL_MACHINE \ SOFTWARE \ JavaSoft \ Java Plug-in \ <Version>] "UseJava2IExplorer" = dword: 00000001 -------------------------------------------------------------------------- all versions of Java have a UseJava2IExplorer. The default value is 1. If it is changed to 0, Java is disabled. If 32-bit Java is also installed on a 64-bit system, the corresponding registry key value is located: using Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE \ SOFTWARE \ Wow6432Node \ JavaSoft \ Java Plug-in] [HKEY_LOCAL_MACHINE \ SOFTWARE \ Wow6432Node \ JavaSoft \ Java Plug-in \ <Version>] "UseJava2IExplorer "= dword: 00000001 -------------------------------------------------------------------------- vendor patch: Oracle ------ the vendor has not provided patches or upgrade programs. We recommend that users of this software follow the vendor's homepage to obtain the latest version: http://www.oracle.com/technetwork/topics/security/