Ubuntu 12.10 USN-1735-1 Critical Information Disclosure in OpenJDK

ubuntu

February 21, 2013

Several security issues were fixed in OpenJDK.

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 OpenSSL 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 ser...

Read the Full Advisory

Topics Covered

security advisory denial of service critical timing attack information disclosure ubuntu openjdk

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

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.