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