Ubuntu Security Notice USN-1735-1

21st February, 2013

openjdk-6, openjdk-7 vulnerabilities

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

• Ubuntu 12.10
• Ubuntu 12.04 LTS
• Ubuntu 11.10
• Ubuntu 10.04 LTS

Summary

Several security issues were fixed in OpenJDK.

Software description

• openjdk-6 - Open Source Java implementation
• openjdk-7 - Open Source Java implementation

Details

Nadhem Alfardan and Kenny Paterson discovered that the TLS protocol as used
in OpenJDK was vulnerable to a timing side-channel attack known as the
"Lucky Thirteen" issue. A remote attacker could use this issue to perform
plaintext-recovery attacks via analysis of timing data. (CVE-2013-0169)

A vulnerability was discovered in the OpenJDK JRE related to information
disclosure and data integrity. An attacker could exploit this to cause a
denial of service. This issue only affected Ubuntu 12.10. (CVE-2013-1484)

A data integrity vulnerability was discovered in the OpenJDK JRE. This
issue only affected Ubuntu 12.10. (CVE-2013-1485)

Two vulnerabilities were discovered in the OpenJDK JRE related to
information disclosure and data integrity. An attacker could exploit these
to cause a denial of service. (CVE-2013-1486, CVE-2013-1487)

Update instructions

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

Ubuntu 12.10:

openjdk-7-jre-zero 7u15-2.3.7-0ubuntu1~12.10

icedtea-7-jre-jamvm 7u15-2.3.7-0ubuntu1~12.10

icedtea-7-jre-cacao 7u15-2.3.7-0ubuntu1~12.10

openjdk-7-jre-lib 7u15-2.3.7-0ubuntu1~12.10

openjdk-7-jre-headless 7u15-2.3.7-0ubuntu1~12.10

openjdk-7-jre 7u15-2.3.7-0ubuntu1~12.10

Ubuntu 12.04 LTS:

icedtea-6-jre-cacao 6b27-1.12.3-0ubuntu1~12.04

icedtea-6-jre-jamvm 6b27-1.12.3-0ubuntu1~12.04

openjdk-6-jre 6b27-1.12.3-0ubuntu1~12.04

openjdk-6-jre-headless 6b27-1.12.3-0ubuntu1~12.04

openjdk-6-jre-zero 6b27-1.12.3-0ubuntu1~12.04

openjdk-6-jre-lib 6b27-1.12.3-0ubuntu1~12.04

Ubuntu 11.10:

icedtea-6-jre-cacao 6b27-1.12.3-0ubuntu1~11.10

icedtea-6-jre-jamvm 6b27-1.12.3-0ubuntu1~11.10

openjdk-6-jre 6b27-1.12.3-0ubuntu1~11.10

openjdk-6-jre-headless 6b27-1.12.3-0ubuntu1~11.10

openjdk-6-jre-zero 6b27-1.12.3-0ubuntu1~11.10

openjdk-6-jre-lib 6b27-1.12.3-0ubuntu1~11.10

Ubuntu 10.04 LTS:

openjdk-6-jre-headless 6b27-1.12.3-0ubuntu1~10.04

openjdk-6-jre-lib 6b27-1.12.3-0ubuntu1~10.04

icedtea-6-jre-cacao 6b27-1.12.3-0ubuntu1~10.04

openjdk-6-jre 6b27-1.12.3-0ubuntu1~10.04

openjdk-6-jre-zero 6b27-1.12.3-0ubuntu1~10.04

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

This update uses a new upstream release which includes additional bug
fixes. After a standard system update you need to restart any Java
applications or applets to make all the necessary changes.

References

CVE-2013-0169, CVE-2013-1484, CVE-2013-1485, CVE-2013-1486, CVE-2013-1487