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[USN-2817-1] IcedTea Web vulnerabilities

Posted on 24 November 2015
Ubuntu Security

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Ubuntu Security Notice USN-2817-1
November 24, 2015

icedtea-web vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 15.10
- Ubuntu 15.04
- Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in IcedTea Web.

Software Description:
- icedtea-web: A web browser plugin to execute Java applets

Details:

It was discovered that IcedTea Web incorrectly handled applet URLs. A
remote attacker could possibly use this issue to inject applets into the
=2EappletTrustSettings configuration file and bypass user approval.
(CVE-2015-5234)

Andrea Palazzo discovered that IcedTea Web incorrectly determined the
origin of unsigned applets. A remote attacker could possibly use this iss=
ue
to bypass user approval, or to trick the user into approving applet
execution. (CVE-2015-5235)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 15.10:
icedtea-7-plugin 1.5.3-0ubuntu0.15.10.1

Ubuntu 15.04:
icedtea-7-plugin 1.5.3-0ubuntu0.15.04.1

Ubuntu 14.04 LTS:
icedtea-6-plugin 1.5.3-0ubuntu0.14.04.1
icedtea-7-plugin 1.5.3-0ubuntu0.14.04.1

After a standard system update you need to restart your browser to make
all the necessary changes.

References:
http://www.ubuntu.com/usn/usn-2817-1
CVE-2015-5234, CVE-2015-5235

Package Information:
https://launchpad.net/ubuntu/+source/icedtea-web/1.5.3-0ubuntu0.15.10.1=

https://launchpad.net/ubuntu/+source/icedtea-web/1.5.3-0ubuntu0.15.04.1=

https://launchpad.net/ubuntu/+source/icedtea-web/1.5.3-0ubuntu0.14.04.1=

 

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