Java the Hutt meets CVE-2012-1723: the Evil Empire strikes back
The Java exploit for CVE-2012-1723 is already included in the latest update of the BlackHole exploit kit.
CVE-2012-0507
Exploit Kit plays with smart redirection (amended)
Aleksandr Matrosov notes a new exploit kit approach to hiding redirects using implicit iFrame injection. (NB Nuclear Pack, not Blackhole.)
Blackhole, CVE-2012-0507 and Carberp
The Blackhole exploit kit has been updated to version 1.2.3 and includes a new exploit for the Java CVE-2012-0507 vulnerability, which ESET calls Java/ Exploit.CVE-2012-0507