USN-1755-1: OpenJDK 6 vulnerabilities
5 March 2013
openjdk-6 vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 LTS
- Ubuntu 11.10
- Ubuntu 10.04 LTS
Summary
OpenJDK could be made to crash or run programs as your login if it opened a specially crafted file.
Software Description
- openjdk-6 - Open Source Java implementation
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 12.04 LTS
- icedtea-6-jre-cacao - 6b27-1.12.3-0ubuntu1~12.04.1
- icedtea-6-jre-jamvm - 6b27-1.12.3-0ubuntu1~12.04.1
- openjdk-6-jre - 6b27-1.12.3-0ubuntu1~12.04.1
- openjdk-6-jre-headless - 6b27-1.12.3-0ubuntu1~12.04.1
- openjdk-6-jre-lib - 6b27-1.12.3-0ubuntu1~12.04.1
- openjdk-6-jre-zero - 6b27-1.12.3-0ubuntu1~12.04.1
- Ubuntu 11.10
- icedtea-6-jre-cacao - 6b27-1.12.3-0ubuntu1~11.10.1
- icedtea-6-jre-jamvm - 6b27-1.12.3-0ubuntu1~11.10.1
- openjdk-6-jre - 6b27-1.12.3-0ubuntu1~11.10.1
- openjdk-6-jre-headless - 6b27-1.12.3-0ubuntu1~11.10.1
- openjdk-6-jre-lib - 6b27-1.12.3-0ubuntu1~11.10.1
- openjdk-6-jre-zero - 6b27-1.12.3-0ubuntu1~11.10.1
- Ubuntu 10.04 LTS
- icedtea-6-jre-cacao - 6b27-1.12.3-0ubuntu1~10.04.1
- openjdk-6-jre - 6b27-1.12.3-0ubuntu1~10.04.1
- openjdk-6-jre-headless - 6b27-1.12.3-0ubuntu1~10.04.1
- openjdk-6-jre-lib - 6b27-1.12.3-0ubuntu1~10.04.1
- openjdk-6-jre-zero - 6b27-1.12.3-0ubuntu1~10.04.1
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to restart any applications using OpenJDK, such as your browser, to make all the necessary changes.