USN-1735-1: OpenJDK vulnerabilities

21 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-7 - Open Source Java implementation
  • openjdk-6 - 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 versions:

Ubuntu 12.10
icedtea-7-jre-cacao - 7u15-2.3.7-0ubuntu1~12.10
icedtea-7-jre-jamvm - 7u15-2.3.7-0ubuntu1~12.10
openjdk-7-jre - 7u15-2.3.7-0ubuntu1~12.10
openjdk-7-jre-headless - 7u15-2.3.7-0ubuntu1~12.10
openjdk-7-jre-lib - 7u15-2.3.7-0ubuntu1~12.10
openjdk-7-jre-zero - 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-lib - 6b27-1.12.3-0ubuntu1~12.04
openjdk-6-jre-zero - 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-lib - 6b27-1.12.3-0ubuntu1~11.10
openjdk-6-jre-zero - 6b27-1.12.3-0ubuntu1~11.10
Ubuntu 10.04 LTS
icedtea-6-jre-cacao - 6b27-1.12.3-0ubuntu1~10.04
openjdk-6-jre - 6b27-1.12.3-0ubuntu1~10.04
openjdk-6-jre-headless - 6b27-1.12.3-0ubuntu1~10.04
openjdk-6-jre-lib - 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