Java 7u45 : Application will be blocked in a future update

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Java 7u45 : Application will be blocked in a future update

Postby nicolas.nastin » 2013-10-22 07:13

Hi,

Since the last security update of Java (7u45), a message appears when launching JavaViewer.

This message says : This application will be blocked in a future Java security update because the JAR file manifest does not contain the Permission attribute.

On this image, there is the original french message and the equivalent english one : Image

This message appears on Windows 7 using Chrome with Java 7u45 (32bits) and using IE 10 with Java 7u45 (64bits).

Thanks,
Nicolas
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Re: Java 7u45 : Application will be blocked in a future upda

Postby Rudi De Vos » 2013-10-22 10:42

WE are already doing some test to see if signtool also does the trick for the java app.
But as it's new with 7u45, there isn't a lot of info on the net.
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Re: Java 7u45 : Application will be blocked in a future upda

Postby Rudi De Vos » 2013-10-22 19:47

looks like a special java certificat is needed 499$/year ç'!èéàç(!èéà(!èéà(!ç
The other certificat for exe/kernel authenticode signing is not valid for java..
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Re: Java 7u45 : Application will be blocked in a future upda

Postby nicolas.nastin » 2013-10-24 08:45

Hi Rudi,

Thanks for your answers.

Best regards
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Re: Java 7u45 : Application will be blocked in a future upda

Postby wookstah » 2013-11-05 05:28

So what does this mean for Java throwing errors/refusing to launch the Ultra VNC session because the security checks fail?
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Re: Java 7u45 : Application will be blocked in a future upda

Postby Rudi De Vos » 2013-11-06 10:26

Seems the windows certificat also works for java :) after using the correct syntax for it.
New manifest settings modified to get rid of thesome errors, but now we get other...

Still searching on how to avoid that a class is downloaded and not used from the jar file.
The new security rules don't allow you to download class files.
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Re: Java 7u45 : Application will be blocked in a future upda

Postby Rudi De Vos » 2013-11-06 22:03

Test server
http://www.uvnc.eu/1194/winvnc_java_singleport.zip

1)single port: The rfb is also the java port
you do not use 5900 and 5800, but the same port is used for both
Sample= if you set rfb to 80, you can connect with the browser to port 80
2) Java not signed and missing manifest should be corrected
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Re: Java 7u45 : Application will be blocked in a future upda

Postby Rudi De Vos » 2013-11-08 10:11

Any test results yet ?
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Re: Java 7u45 : Application will be blocked in a future upda

Postby nicolas.nastin » 2013-11-22 13:10

Hi Rudi,

Thanks for this version. It works. Warning appears only one time and it does not notice about being blocked in future update.

Sorry for being late... I went on holidays

Bye,
Nicolas
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