USN-2884-1: OpenJDK 7 vulnerabilities

1 February 2016

openjdk-7 vulnerabilities

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

  • Ubuntu 15.10
  • Ubuntu 15.04
  • Ubuntu 14.04 LTS

Summary

Several security issues were fixed in OpenJDK 7.

Software Description

  • openjdk-7 - Open Source Java implementation

Details

Multiple vulnerabilities were discovered in the OpenJDK JRE related to information disclosure, data integrity, and availability. An attacker could exploit these to cause a denial of service, expose sensitive data over the network, or possibly execute arbitrary code. (CVE-2016-0483, CVE-2016-0494)

A vulnerability was discovered in the OpenJDK JRE related to data integrity. An attacker could exploit this to expose sensitive data over the network or possibly execute arbitrary code. (CVE-2016-0402)

It was discovered that OpenJDK 7 incorrectly allowed MD5 to be used for TLS connections. If a remote attacker were able to perform a man-in-the-middle attack, this flaw could be exploited to expose sensitive information. (CVE-2015-7575)

A vulnerability was discovered in the OpenJDK JRE related to information disclosure. An attacker could exploit this to expose sensitive data over the network. (CVE-2016-0448)

A vulnerability was discovered in the OpenJDK JRE related to availability. An attacker could exploit this to cause a denial of service. (CVE-2016-0466)

Update instructions

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

Ubuntu 15.10
icedtea-7-jre-jamvm - 7u95-2.6.4-0ubuntu0.15.10.1
openjdk-7-jre - 7u95-2.6.4-0ubuntu0.15.10.1
openjdk-7-jre-headless - 7u95-2.6.4-0ubuntu0.15.10.1
openjdk-7-jre-lib - 7u95-2.6.4-0ubuntu0.15.10.1
openjdk-7-jre-zero - 7u95-2.6.4-0ubuntu0.15.10.1
Ubuntu 15.04
icedtea-7-jre-jamvm - 7u95-2.6.4-0ubuntu0.15.04.1
openjdk-7-jre - 7u95-2.6.4-0ubuntu0.15.04.1
openjdk-7-jre-headless - 7u95-2.6.4-0ubuntu0.15.04.1
openjdk-7-jre-lib - 7u95-2.6.4-0ubuntu0.15.04.1
openjdk-7-jre-zero - 7u95-2.6.4-0ubuntu0.15.04.1
Ubuntu 14.04 LTS
icedtea-7-jre-jamvm - 7u95-2.6.4-0ubuntu0.14.04.1
openjdk-7-jre - 7u95-2.6.4-0ubuntu0.14.04.1
openjdk-7-jre-headless - 7u95-2.6.4-0ubuntu0.14.04.1
openjdk-7-jre-lib - 7u95-2.6.4-0ubuntu0.14.04.1
openjdk-7-jre-zero - 7u95-2.6.4-0ubuntu0.14.04.1

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