Security Bulletin: Open Source GNU glibc Vulnerabilities Security Bulletin: Open Source GNU glibc Vulnerabilities which is used by IBM OS Images for RedHat Linux in IBM PureApplication Systems (CVE-2017-12132)

Summary

There are vulnerabilities in the Open Source GNU glibc that is used by the OS Images for IBM PureApplication Software Suite, IBM Bluemix Local System and IBM PureApplication System/Software

Vulnerability Details

CVEID: CVE-2017-12132**
DESCRIPTION:** GNU C Library (aka glibc or libc6) could allow a remote attacker to conduct spoofing attacks, caused by a flaw in the DNS stub resolver. An attacker could exploit this vulnerability to perform off-path DNS spoofing attacks.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/129949 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)

Affected Products and Versions

IBM OS Image for Red Hat Linux Systems 2.1.5.0
IBM OS Image for Red Hat Linux Systems 2.1.6.0
IBM OS Image for Red Hat Linux Systems 2.1.7.0
IBM OS Image for Red Hat Linux Systems 2.1.8.0
IBM OS Image for Red Hat Linux Systems 3.0.5.0
IBM OS Image for Red Hat Linux Systems 3.0.6.0
IBM OS Image for Red Hat Linux Systems 3.0.7.0

Remediation/Fixes

The solution is to upgrade the IBM PureApplication System to the following fix level:

IBM PureApplication V2.2.0.0, V2.2.1.0, V2.2.2.0, V2.2.2.1, V2.2.2.2, V2.2.3.0, V2.2.3.1, V2.2.3.2, V2.2.4.0

• Upgrade to IBM PureApplication V2.2.5.0. Contact IBM for assistance.

PureApplication Software:
Linux:
http://www.ibm.com/support/fixcentral/swg/quickorder?parent=PureSystems&product=ibm/WebSphere/PureApplication+System&release=2.2.5.0&platform=All&function=fixId&fixids=pureappsw_content_2250&includeRequisites=1&includeSupersedes=0&downloadMethod=ddp&source=fc

PureApplication System:
AIX
http://www.ibm.com/support/fixcentral/swg/quickorder?parent=PureSystems&product=ibm/WebSphere/PureApplication+System&release=2.2.5.0&platform=All&function=fixId&fixids=Group_Content_PureApplicationSystem_2.2.5.0_Power&includeRequisites=1&includeSupersedes=0&downloadMethod=ddp&source=fc

Linux
http://www.ibm.com/support/fixcentral/swg/quickorder?parent=PureSystems&product=ibm/WebSphere/PureApplication+System&release=2.2.5.0&platform=All&function=fixId&fixids=Group_Content_PureApplicationSystem_2.2.5.0_Intel&includeRequisites=1&includeSupersedes=0&downloadMethod=ddp&source=fc

Intel
http://www.ibm.com/support/fixcentral/swg/quickorder?parent=PureSystems&product=ibm/WebSphere/PureApplication+System&release=2.2.5.0&platform=All&function=fixId&fixids=Group_Base_RedHat_PureApplicationSystem_2.2.5.0_Intel&includeRequisites=1&includeSupersedes=0&downloadMethod=ddp&source=fc

Information on upgrading can be found here: <http://www-01.ibm.com/support/docview.wss?uid=swg27039159&gt;

Workarounds and Mitigations

None