USN-2884-1: OpenJDK 7 vulnerabilities

Ubuntu Security Notice USN-2884-1

1st 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 version:

Ubuntu 15.10:

openjdk-7-jre-lib

7u95-2.6.4-0ubuntu0.15.10.1

openjdk-7-jre-zero

7u95-2.6.4-0ubuntu0.15.10.1

icedtea-7-jre-jamvm

7u95-2.6.4-0ubuntu0.15.10.1

openjdk-7-jre-headless

7u95-2.6.4-0ubuntu0.15.10.1

openjdk-7-jre

7u95-2.6.4-0ubuntu0.15.10.1

Ubuntu 15.04:

openjdk-7-jre-lib

7u95-2.6.4-0ubuntu0.15.04.1

openjdk-7-jre-zero

7u95-2.6.4-0ubuntu0.15.04.1

icedtea-7-jre-jamvm

7u95-2.6.4-0ubuntu0.15.04.1

openjdk-7-jre-headless

7u95-2.6.4-0ubuntu0.15.04.1

openjdk-7-jre

7u95-2.6.4-0ubuntu0.15.04.1

Ubuntu 14.04 LTS:

openjdk-7-jre-lib

7u95-2.6.4-0ubuntu0.14.04.1

openjdk-7-jre-zero

7u95-2.6.4-0ubuntu0.14.04.1

icedtea-7-jre-jamvm

7u95-2.6.4-0ubuntu0.14.04.1

openjdk-7-jre-headless

7u95-2.6.4-0ubuntu0.14.04.1

openjdk-7-jre

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

CVE-2015-7575,

CVE-2016-0402,

CVE-2016-0448,

CVE-2016-0466,

CVE-2016-0483,

CVE-2016-0494