Ad networks appear to be redirecting to Blackhole sites, amplifying the mass exploitation problem. The first appearance of the exploits prevention in our KSN community seemed to be January 6th. An updated heat map of the HEUR:Exploit.JavaJava.Java.Agent.gen detections shows a more widespread distribution of the. exploit in the thousands. Metasploit developers have added an exploit module targeting this vulnerability CVE-2013-0422. The first known victim system executing the exploit retrieved the malcode with a Firefox browser, demonstrating the robustness of Java exploits.”]
Source: https://securelist.com/java-0day-mass-exploit-distribution/31874/