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question on recent Java virus affecting JRE/applets

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  question on recent Java virus affecting JRE/applets "Nasser M. Abbasi" <nma@12000.org> - 2012-03-28 20:31 -0500
    Re: question on recent Java virus affecting JRE/applets Arne Vajhøj <arne@vajhoej.dk> - 2012-03-28 22:28 -0400

#13266 — question on recent Java virus affecting JRE/applets

I have been reading more lately about a virus from some
Java applets.

This article below suggest to disable Java plugins in the browser,
which I just did just in case:

http://news.techeye.net/security/virus-installs-in-your-memory

http://www.h-online.com/security/news/item/Critical-Java-hole-being-exploited-on-a-large-scale-1485681.html

------------------------------
"However, not even those who use the most current version of Java can
feel entirely safe"
...
"To be on the safe side, users can completely uninstall Java
or at least disable the browser plug-in"
------------------------

My question: Does this virus problem also affects downloading
a java application as a jar file and running it on the PC
or you think it only affects JRE and applets that run
in a browser?

Because sometimes I do download a java jar file, and wanted to
know if I should also stop that (until this Java virus thing
is all resolved).

--Nasser

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#13267

On 3/28/2012 9:31 PM, Nasser M. Abbasi wrote:
> I have been reading more lately about a virus from some
> Java applets.
>
> This article below suggest to disable Java plugins in the browser,
> which I just did just in case:
>
> http://news.techeye.net/security/virus-installs-in-your-memory
>
> http://www.h-online.com/security/news/item/Critical-Java-hole-being-exploited-on-a-large-scale-1485681.html
>
>
> ------------------------------
> "However, not even those who use the most current version of Java can
> feel entirely safe"
> ...
> "To be on the safe side, users can completely uninstall Java
> or at least disable the browser plug-in"
> ------------------------

The known problem is fixed in latest versions so upgrading closes
those security holes.

The rumor about another security hole with no fix is difficult to
comment on. It may be true or it may not be true. Most likely there
are one or more unknown vulnerabilities in Java. But there are most
likely also one or more unknown vulnerability in each of Flash,
IE, FireFox, Chrome, Windows, Linux and MacOS X.

> My question: Does this virus problem also affects downloading
> a java application as a jar file and running it on the PC
> or you think it only affects JRE and applets that run
> in a browser?

The problem is an applet problem - it is a problem related
to the applet sandbox.

If you download a jar and runs it then it has full access
(as defined by the account running it) by default - and that
it not even a bug.

Arne

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