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.