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Oracle released Java 7 update 11 on Sunday following a warning from the U.S. Computer Emergency Readiness Team (CERT), informing users to disable the software due to serious and previously unforeseen security vulnerability. Even with the available fix CERT which is part of the Department of Homeland Security, is still informing users to disable Java on their systems unless running the software is “necessary.” The so-called Zero Day loop hole was actively being used to secretly install malware on systems of unsuspecting victims and the exploit affects Windows, Mac, and Linux users, according to CERT's security bulletin. The vulnerability affects versions of Java 7, and does not apply to Java 6.
Now it is being reported that an enterprising black market is peddling a new Zero Day loop hole for the latest version of Java for two buyers at $5000 each. Both weapon and source code versions of the loop hole were being offered by the seller, who discovered the offer on an exclusive cyber crime forum. Here is a how to turn off Java for Firefox to protect system and personal information. Oracle has released a patch but worries still remain.
Firefox: click on the orange Firefox button on the left and select Add-ons. Then in the page that opens select Plugins from the left-hand side. Look for the Java platform plugin and click the disable button.