Ubuntu Security Notice USN-1755-1
5th 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 version:
- 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-zero 6b27-1.12.3-0ubuntu1~12.04.1
- openjdk-6-jre-lib 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-zero 6b27-1.12.3-0ubuntu1~11.10.1
- openjdk-6-jre-lib 6b27-1.12.3-0ubuntu1~11.10.1
- Ubuntu 10.04 LTS:
- openjdk-6-jre-headless 6b27-1.12.3-0ubuntu1~10.04.1
- openjdk-6-jre-lib 6b27-1.12.3-0ubuntu1~10.04.1
- 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-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.