Looks like pwnagetool and redsn0w been updated.
http://blog.iphone-dev.org/post/4332841631/three-years-of-pwnage-tool
Windows download redsn0w
OSX download redsn0w
Pwnagetool downloads
- http://public.stuff.hu/pwnagetool/PwnageTool_4.3.dmg
- http://jailbreakzone.com/files/PwnageTool_4.3.dmg
- http://repairmyiphonenyc.com/vl/PwnageTool_4.3.dmg