CVE 2012-4681: Bypassing Built-in Java Security
Detail information on this exploit is available on the Sourcefire VRT Blog webpage: http://vrt-blog.snort.org/2012/08/cve-2012-4681-bypassing-built-in-java.html
How to Address This Vulnerability
Install the Minimum SEU/SRU
To verify whether you have coverage for this vulnerability you must confirm that you have the SEU or SRU greater than or equal to the version/date below installed and applied:
Enable Appropriate Snort Rules
Also, verify that SIDs 1:24018 through 1:24027 are enabled within your intrusion policy to either generate events, or to drop and generate events.