Overly broad permissions can turn one compromised account into a much larger security problem. Learn how to reduce unnecessary access, review privileges, and apply least privilege across modern Linux systems. Review Linux Privileges×

Alerts This Week
Warning Icon 1 542
Alerts This Week
Warning Icon 1 542

Ubuntu 16.04, 16.10: USN-3121-1 Moderate: OpenJDK 8 Issues

ubuntu
Calendar Grey November 3, 2016
Scroller Ubuntu
Fedora 24 and 25 obtain patches for OpenJDK 8 security issues resolved on September 15, 2016.
Several security issues were fixed in OpenJDK 8.

Summary

Several security issues were fixed in OpenJDK 8.

Software Description:

- openjdk-8: Open Source Java implementation

Details:

It was discovered that the Hotspot component of OpenJDK did not properly

check arguments of the System.arraycopy() function in certain cases. An

attacker could use this to bypass Java sandbox restrictions.

(CVE-2016-5582)

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.

(CVE-2016-5542)

It was discovered that the JMX component of OpenJDK did not sufficiently

perform classloader consistency checks. An attacker could use this to

bypass Java sandbox restrictions. (CVE-2016-5554)

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

...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory Ubuntu OpenJDK sandbox bypass Java Issues integrity modification

Update Instructions

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

Ubuntu 16.10:
  openjdk-8-jdk                   8u111-b14-2ubuntu0.16.10.2
  openjdk-8-jdk-headless          8u111-b14-2ubuntu0.16.10.2
  openjdk-8-jre                   8u111-b14-2ubuntu0.16.10.2
  openjdk-8-jre-headless          8u111-b14-2ubuntu0.16.10.2
  openjdk-8-jre-jamvm             8u111-b14-2ubuntu0.16.10.2
  openjdk-8-jre-zero              8u111-b14-2ubuntu0.16.10.2

Ubuntu 16.04 LTS:
  openjdk-8-jdk                   8u111-b14-2ubuntu0.16.04.2
  openjdk-8-jdk-headless          8u111-b14-2ubuntu0.16.04.2
  openjdk-8-jre                   8u111-b14-2ubuntu0.16.04.2
  openjdk-8-jre-headless          8u111-b14-2ubuntu0.16.04.2
  openjdk-8-jre-jamvm             8u111-b14-2ubuntu0.16.04.2
  openjdk-8-jre-zero              8u111-b14-2ubuntu0.16.04.2

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

https://ubuntu.com/security/notices/USN-3121-1

CVE-2016-5542, CVE-2016-5554, CVE-2016-5573, CVE-2016-5582,

CVE-2016-5597

November 03, 2016

Topics%20covered

Topics Covered

security advisory Ubuntu OpenJDK sandbox bypass Java Issues integrity modification

Package Information

https://launchpad.net/ubuntu/+source/openjdk-8/8u111-b14-2ubuntu0.16.10.2
https://launchpad.net/ubuntu/+source/openjdk-8/8u111-b14-2ubuntu0.16.04.2

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.