Cross-Platform Java Sandbox Exploit
DrWho520 points out this report at silicon.com which begins "A flaw in Sun's plug-in for running Java on a variety of browsers and operating systems could allow a virus to spread through Microsoft Windows and Linux PCs. The vulnerability, found by Finnish security researcher Jouko Pynnonen in June, was patched last month by Sun, but its details were not made public until Tuesday." The hole affects Linux and Windows.
...Or better, since Java runs in a (relatively) secure sandbox. It's worth noting, from the article, that there hasn't to date been a single Java virus. This is bad, but it has to get a lot worse before comparison with ActiveX is warranted.
This is where the serious fun begins.
There are already proof of concept viri that work on both linux and windows.1 a.htm/ l in// /. article if i remember right, but i can't seem to get the right search terms to find it.
http://antivirus.about.com/library/weekly/aa03280
http://www.itworld.com/AppDev/1312/IWD010328hnvir
looks like this has been happening since 2001 according to the itworld article (look at the date in the upper left hand corner.)
the only thing that has changed is the vector of infection. There was also a
Stop signs are only Suggestions
Actually the Java in Opera is even worse: http://archives.neohapsis.com/archives/bugtraq/200 4-11/0250.html