Security Bulletin: Multiple vulnerabilities in IBM Java SDK affect IBM OS Images for Red Hat Linux Systems, IBM OS Images for AIX, and Windows. (CVE-2016-0363, CVE-2016-0376, CVE-2016-3426, and CVE-2016-0264)

Security Bulletin

Summary

There are multiple vulnerabilities in IBM® SDK Java™ Technology Edition, Version 6 and 7, that is used by IBM OS Images for Red Hat Linux Systems, AIX, and Windows. These issues were disclosed as part of the IBM Java SDK updates in April 2016.

Vulnerability Details

CVEID: CVE-2016-0363
DESCRIPTION: IBM SDK, Java Technology Edition contains a vulnerability in the IBM ORB implementation that may allow untrusted code running under a security manager to elevate its privileges. This vulnerability was originally reported as CVE-2013-3009.
CVSS Base Score: 8.1
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/112016 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)

CVEID: CVE-2016-0376
DESCRIPTION: A vulnerability in IBM Java SDK could allow a remote attacker to execute arbitrary code on the system. This vulnerability allows code running under a security manager to escalate its privileges by modifying or removing the security manager. This vulnerability was originally reported as CVE-2013-5456.
CVSS Base Score: 8.1
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/112152 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)

CVEID: CVE-2016-3426
DESCRIPTION: An unspecified vulnerability related to the JCE component could allow a remote attacker to obtain sensitive information resulting in a partial confidentiality impact using unknown attack vectors.
CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/112457 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:P/I:N/A:N)

CVEID: CVE-2016-0264
DESCRIPTION: A buffer overflow vulnerability in the IBM JVM facilitates arbitrary code execution under certain limited circumstances.
CVSS Base Score: 5.6
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/110867 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L)

Affected Products and Versions

IBM OS Image for Red Hat Linux Systems 2.1.5.0 and earlier (based on Red Hat 6)
IBM OS Image for Red Hat Linux Systems 3.0.4.0 and earlier. (based on Red Hat 7)
IBM OS Image for AIX Systems 1.1.5.0 and earlier (based on AIX 6)
IBM OS Image for AIX Systems 2.1.5.0 and earlier (based on AIX 7)

Remediation/Fixes

Virtual machines deployed from IBM PureApplication Systems are affected. This includes RedHat Linux, AIX-based, and Windows-based deployments. The solution is to apply the following IBM PureApplication System fix to the deployed virtual machines.

Java Update for Windows
http://www-933.ibm.com/support/fixcentral/swg/selectFixes?parent=PureSystems&product=ibm/WebSphere/PureApplication+System&platform=All&function=fixId&fixids=Java_Update_Windows_18May_2016

Java Update for Linux
http://www-933.ibm.com/support/fixcentral/swg/selectFixes?parent=PureSystems&product=ibm/WebSphere/PureApplication+System&platform=All&function=fixId&fixids=Java_Update_Linux_18May_2016

Java Update for AIX
http://www-933.ibm.com/support/fixcentral/swg/selectFixes?parent=PureSystems&product=ibm/WebSphere/PureApplication+System&platform=All&function=fixId&fixids=Java_Update_AIX_18May_2016

1. Import the fix into the Emergency Fix catalogue.
2. For deployed instances, apply this emergency fix on the VM.
3. Restart the deployed instance after the fix is applied.

Workarounds and Mitigations

None

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References

Complete CVSS v2 Guide
On-line Calculator v2

Complete CVSS v3 Guide
On-line Calculator v3

Off

Acknowledgement

CVE-2016-0363 and CVE-2016-0376 were reported by Adam Gowdiak of Security Explorations.

Change History

19 May 2016: Original version published

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.

Disclaimer

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

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Tips

Security Bulletin: Multiple vulnerabilities in IBM Java SDK affect IBM OS Images for Red Hat Linux Systems, IBM OS Images for AIX, and Windows. (CVE-2016-0363, CVE-2016-0376, CVE-2016-3426, and CVE-2016-0264)