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Ubuntu 15.10: USN-2818-1 Critical OpenJDK 7 Access Issue

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Calendar Grey November 25, 2015
Scroller Ubuntu
OpenJDK 11 flaw rectified in Ubuntu distributions tackling severe permission problems. Confirm that system upgrades are executed.
A security issue was fixed in OpenJDK 7.

Summary

A security issue was fixed in OpenJDK 7.

Software Description:

- openjdk-7: Open Source Java implementation

Details:

It was discovered that rebinding of the receiver of a

DirectMethodHandle may allow a protected method to be accessed. Am

attacker could use this to expose sensitive information or possibly

execute arbitrary code.

Topics%20covered

Topics Covered

security advisory critical access issue Ubuntu OpenJDK 7

Update Instructions

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

Ubuntu 15.10:
  icedtea-7-jre-jamvm             7u91-2.6.3-0ubuntu0.15.10.1
  openjdk-7-jre                   7u91-2.6.3-0ubuntu0.15.10.1
  openjdk-7-jre-headless          7u91-2.6.3-0ubuntu0.15.10.1
  openjdk-7-jre-lib               7u91-2.6.3-0ubuntu0.15.10.1
  openjdk-7-jre-zero              7u91-2.6.3-0ubuntu0.15.10.1

Ubuntu 15.04:
  icedtea-7-jre-jamvm             7u91-2.6.3-0ubuntu0.15.04.1
  openjdk-7-jre                   7u91-2.6.3-0ubuntu0.15.04.1
  openjdk-7-jre-headless          7u91-2.6.3-0ubuntu0.15.04.1
  openjdk-7-jre-lib               7u91-2.6.3-0ubuntu0.15.04.1
  openjdk-7-jre-zero              7u91-2.6.3-0ubuntu0.15.04.1

Ubuntu 14.04 LTS:
  icedtea-7-jre-jamvm             7u91-2.6.3-0ubuntu0.14.04.1
  openjdk-7-jre                   7u91-2.6.3-0ubuntu0.14.04.1
  openjdk-7-jre-headless          7u91-2.6.3-0ubuntu0.14.04.1
  openjdk-7-jre-lib               7u91-2.6.3-0ubuntu0.14.04.1
  openjdk-7-jre-zero              7u91-2.6.3-0ubuntu0.14.04.1

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

References

CVE-2015-4871

Severity
critical
Lowest
Low
Medium
High
Critical

November 25, 2015

Topics%20covered

Topics Covered

security advisory critical access issue Ubuntu OpenJDK 7

Package Information

https://launchpad.net/ubuntu/+source/openjdk-7/7u91-2.6.3-0ubuntu0.15.10.1
https://launchpad.net/ubuntu/+source/openjdk-7/7u91-2.6.3-0ubuntu0.15.04.1
https://launchpad.net/ubuntu/+source/openjdk-7/7u91-2.6.3-0ubuntu0.14.04.1

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