Ubuntu 1804: IcedTea-Web Advisory USN-1804-1 Critical Remote Code Execution

ubuntu

April 19, 2013

Two security issues were fixed in IcedTea-Web.

Summary

Two security issues were fixed in IcedTea-Web.

Software Description:

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

Details:

Jiri Vanek discovered that IcedTea-Web would use the same classloader for

applets from different domains. A remote attacker could exploit this to

expose sensitive information or potentially manipulate applets from other

domains. (CVE-2013-1926)

It was discovered that IcedTea-Web did not properly verify JAR files and

was susceptible to the GIFAR attack. If a user were tricked into opening a

malicious website, a remote attacker could potentially exploit this to

execute code under certain circumstances. (CVE-2013-1927)

Topics Covered

security advisory critical remote code execution Ubuntu data exposure IcedTea-Web

Update Instructions

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

Ubuntu 12.10:
  icedtea-netx                    1.3.2-1ubuntu0.12.10.1

Ubuntu 12.04 LTS:
  icedtea-netx                    1.2.3-0ubuntu0.12.04.1

Ubuntu 11.10:
  icedtea-netx                    1.2.3-0ubuntu0.11.10.1

Ubuntu 10.04 LTS:
  icedtea-netx                    1.2.3-0ubuntu0.10.04.1

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