USN-3154-1: OpenJDK 6 vulnerabilities

Ubuntu Security Notice USN-3154-1

7th December, 2016

openjdk-6 vulnerabilities

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

• Ubuntu 14.04 LTS



• Ubuntu 12.04 LTS

Summary

Several security issues were fixed in OpenJDK 6.

Software description

• openjdk-6
  - Open Source Java implementation
  
  

Details

It was discovered that OpenJDK did not restrict the set of algorithms used
for Jar integrity verification. An attacker could use this to modify
without detection the content of a JAR file, affecting system integrity.
()

It was discovered that the Hotspot component of OpenJDK did not properly
check received Java Debug Wire Protocol (JDWP) packets. An attacker could
use this to send debugging commands to a Java application with debugging
enabled. ()

It was discovered that OpenJDK did not properly handle HTTP proxy
authentication. An attacker could use this to expose HTTPS server
authentication credentials. (























.

After a standard system update you need to restart any Java
applications or applets to make all the necessary changes.

References

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,

CVE-2016-5597