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 1 544
Alerts This Week
Warning Icon 1 544

Ubuntu 15.10: USN-2884-1 Critical: OpenJDK 7 Information Disclosure

ubuntu
Calendar Grey February 1, 2016
Scroller Ubuntu
Important vulnerabilities in OpenJDK 7 addressed in Ubuntu Security Notice. Make sure your system is current to reduce potential threats.
Several security issues were fixed in OpenJDK 7.

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

se...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service critical issue Ubuntu information disclosure Java update OpenJDK

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

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-2884-1

CVE-2015-7575, CVE-2016-0402, CVE-2016-0448, CVE-2016-0466,

CVE-2016-0483, CVE-2016-0494

Severity
critical
Lowest
Low
Medium
High
Critical

February 01, 2016

Topics%20covered

Topics Covered

security advisory denial of service critical issue Ubuntu information disclosure Java update OpenJDK

Package Information

https://launchpad.net/ubuntu/+source/openjdk-7/7u95-2.6.4-0ubuntu0.15.10.1
https://launchpad.net/ubuntu/+source/openjdk-7/7u95-2.6.4-0ubuntu0.15.04.1
https://launchpad.net/ubuntu/+source/openjdk-7/7u95-2.6.4-0ubuntu0.14.04.1

Get the latest News and Insights

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