USN-2817-1: IcedTea Web vulnerabilities

Ubuntu Security Notice USN-2817-1

24th November, 2015

icedtea-web vulnerabilities

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
.appletTrustSettings 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 issue
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 version:

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-7-plugin 1.5.3-0ubuntu0.14.04.1

icedtea-6-plugin 1.5.3-0ubuntu0.14.04.1

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References

CVE-2015-5234, CVE-2015-5235