[USN-1755-2] OpenJDK 7 vulnerabilities

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==========================================================================
Ubuntu Security Notice USN-1755-2
March 07, 2013

openjdk-7 vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 12.10

Summary:

OpenJDK could be made to crash or run programs as your login if it opened a
specially crafted file.

Software Description:
- openjdk-7: Open Source Java implementation

Details:

USN-1755-1 fixed vulnerabilities in OpenJDK 6. This update provides the
corresponding updates for OpenJDK 7.

Original advisory details:

It was discovered that OpenJDK did not properly validate certain types
of images. A remote attacker could exploit this to cause OpenJDK to crash.
(CVE-2013-0809)

It was discovered that OpenJDK did not properly check return values when
performing color conversion for images. If a user were tricked into
opening a crafted image with OpenJDK, such as with the Java plugin, a
remote attacker could cause OpenJDK to crash or execute arbitrary code
outside of the Java sandbox with the privileges of the user invoking the
program. (CVE-2013-1493)

Update instructions:

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

Ubuntu 12.10:
icedtea-7-jre-cacao 7u15-2.3.7-0ubuntu1~12.10.1
icedtea-7-jre-jamvm 7u15-2.3.7-0ubuntu1~12.10.1
openjdk-7-jre 7u15-2.3.7-0ubuntu1~12.10.1
openjdk-7-jre-headless 7u15-2.3.7-0ubuntu1~12.10.1
openjdk-7-jre-lib 7u15-2.3.7-0ubuntu1~12.10.1
openjdk-7-jre-zero 7u15-2.3.7-0ubuntu1~12.10.1

After a standard system update you need to restart any applications using
OpenJDK, such as your browser, to make all the necessary changes.

References:
http://www.ubuntu.com/usn/usn-1755-2
http://www.ubuntu.com/usn/usn-1755-1
CVE-2013-0809, CVE-2013-1493

Package Information:
https://launchpad.net/ubuntu/+source/openjdk-7/7u15-2.3.7-0ubuntu1~12.10.1